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  • Class 9th Biology Important Questions

    9th class biology Important Questions 2024 Punjab Board

    Our experienced staff has prepared the most important questions for Punjab Board Biology important questions 2024 especially for class 9 science students. These are important questions for class 9 biology guess paper 2024. This is one of the best ways to get good marks in the exam. Many students practice 2024 Biology important questions by FAIZ UL ISLAM and get good marks in the exam.

    Chapter 1

    Define cell biology and histology.
    What is the difference between zoology and botany?
    What is meant by morphology and microbiology?
    Define pharmacology and immunology.
    Differentiate between anatomy & biotechnology.
    What is meant by farming and biogeography? of Bu Ali Sina Describe the services
    Write the names of the famous books of Hayyan, Abdul Malik Isma’i.
    Write names of f major biological issues of now a days.
    What are micromolecules and (macromolecules?
    and community. Differentiate between population
    Differentiate between biosphere and ecosystem.
    Define colonial organization and give an example.
    Define bio-elements and write the names of six
    important bio-elements.What do you mean by horticulture and how is it related to agriculture?
    Define science and biology.

    Chapter 2


    Explain any five careers in biology.
    Write a note on careers which a biology student can adopt?
    9Describe the relationship of biology to other sciences.
    Explain the cellular organizations.
    Explain organ and organ system level.
    Explain any five branches of biology.
    Explain population level and community level.
    What is meant by biological method?
    Write two observations of A.F.A. King.
    Give two characteristics of a good hypotheses.
    Differentiate between deduction and theory.
    Define the hypothesis. How is a hypothesis formed?
    What are quantitative observations? Quantitative observations are better in biological methods. How?
    What are qualitative observations? Give an example.
    What is the difference between control group experimental group?
    Define ratio and proportion.
    What is meant by bioinformatics?
    What is the difference between law/principle.? cory
    What t is meant by biological problem?
    How is the data organized?
    What four important observations were made about malaria in the late 19th century?
    What is meant by productive theory?

    Chapter 3


    Define biodiversity and explain the importance of biodiversity.
    What is fluid-mosaic model?
    What is exocytosis? State its importance.
    What is the difference between endocytosis and exocytosis?
    Describe the similarities between mitochondria and chloroplasts.
    What is meant by plasmodesmata?
    What are chromoplasts? Write their two functions.
    Differentiate between primary cell wall and secondary cell wall.
    Define ribosomes. Give their importance in cell.
    Where are centrioles found? Give their function. Differentiate between diffusion and facilitated
    Differentiate between phagocytosis and pinocytosis.
    What is meant by hypertonic and hypotonic solutions?
    Define osmosis and active transport.
    What are lysosomes? Write function of lysosomes.
    Write any two differences between animal and plant cell.
    Give two functions of cytoplasm and cell membrane.
    What is cell membrane and plasma membrane?
    Differentiate between magnification and resolution
    What is meant by micrograph?
    Define turgor pressure.
    Describe the differences in prokaryotic cells. and eukaryotic
    What are compound tissues? Explain its types.


    Chapter 4

    What are plastids? Give their different types. Write their structure & function.
    What is endoplasmic reticulum? Explain its types.
    Define cell wall. Also explain fluid-mosaic model. C
    Explain cell membrane with the help of diagram.
    Define meristematic tissues. Explain its types.
    Discuss nucleus structure and function.
    What is G1, G2 phase?
    Define karyokinesis and cytokinesis.
    What is meant by crossing over?
    Write the function of chiasmata in crossing over.
    Differentiate between benign and malignant tumor.
    Differentiate between meiosis and mitosis)
    Write two advantages of apoptosis.
    What is the difference between somatic cells and germ line cells?
    Differentiate between diploid and haploid cells.
    What is phragmoplast? How is it formed?
    Name four phases of karyokinesis.
    Define psi-napsis and write the process of psi-napsis.
    Differentiate between diploid and haploid cells.
    What is meant by blebs?
    What is meant by metastasis?
    In which cells does Define mitosis.
    Define cell cycle and explain S phase in cefl eycle.
    Differentiate between chromatin and chromosomes. in and chromo
    What do you mean by GO phase?


    Chapter 5 

    Differentiate between active site and substrate.
    Differentiate between anabolism and catabolism.
    What is meant by intracellular and extracellular enzymes?
    What is enzyme action mechanism? Write its equation.
    Define enzymes. Write down two characteristics of enzymes.
    Define prosthetic group and co-enzyme.
    What factors affect the reaction speed of enzymes?
    Write the names.
    What do you mean by optimum temperature?
    What is meant by denaturation of enzymes?
    State the lock and key model.
    State the induced-fit model.
    Write two uses of enzymes in biological detergents.
    Write any two uses of enzyme. Haleematyc~()1(
    What is meant by saturation of active sites?
    Define substrate and product.
    Write the difference between inhibitors and activators.
    Define activation energy. How do enzymes lower their activation energy?
    How enzymes are used in the food and paper industry.
    Give two advantages of biocatalysts.

    Chapter 6



    Define ATP. When and who discovered the ATP.
    Write the structure of ATP and a function.
    What is meant by bioenergetics?
    What is meant by oxidation and reduction?
    Define photosynthesis. Write its equation.
    What products are formed during photosynthesis?
    What is meant by light reactions?
    What is factors of photosynthesis. OR Sor photosy himisise factor Name, four limiting
    Describe the effect of light intensity and temperature on photosynthesis.
    Differentiate between aerobic and anaerobic respiration.
    What are FAD and NAD?
    What is meant by glycolysis? Where does this process take place?
    How does the amount of carbon dioxide affect the speed of photosynthesis?
    Define electron transport chain.
    Define respiration and cellular respiration.
    Give an example.
    How does lactic acid fermentation occur in skeletal muscle?
    What are pigments?
    Define fermentation What is alcoholic fermentation

    Chapter 7


    What is photosynthesis? Write its importance. How
    the process of photosynthesis can be
    represented by a simple general equation. OR
    What is the role of chlorophyll and light in
    photosynthesis? Explain.
    Write down the events of light & dark reactions.
    Write down the mechanism of respiration.
    Explain Aerobic and N-aerobic respiration and their
    types in detail. Most Imp
    Interpret that ATP is the chief energy currency o cells.
    Write five differences between aerobic and ana respiration.

    Chapter 8


    Differentiate macronutrients between micronutrients.
    Define nutrition and nutrients.
    What are fertilizers? Name their types. and-unsaturated Differentiate between saturated acids.
    Write four sources of protein.
    What are the deficiency symptoms of vitamins A,C,D?
    What are the main sources of Vitamin A, C?
    Differentiate between digestion and ingestion.
    What is meant by malnutrition?
    What is meant by dehydration?
    What is the significance of water in human?
    Define a balanced diet.
    How will you differentiate between bolus and chyme?
    Write down two functions of liver.
    What is the role of the liver in the digestive system?
    What is diarrhea? Write its symptoms and causes.
    Define constipation. Write its causes, Jeemc-V 20
    What is ulcer? What are symptoms of ulcer?
    Differentiate between assimilation and absorption.
    Describe the role of calcium and magnesium in plants life.
    What is a goiter and why does it happen?
    What is an appendix? Write its one symptom.
    Write a note on carbohydrates, lipids &proteins
    What are minerals? Explain its types & their importance.
    Explain the importance of fertilizers. Also write of fertilizers on environmental concerns related to use The deficiency note on importance of water & dietry fibre in Write a
    Explain the diseases caused of minerals.human food.
    Define malnutrition. Write down its four effects.
    What is oral cavity Describe the role/function of oral cavity in digestion of food.
    Describe the structure and functions of the stomach Also explain the process of digestion and churning of food in the stomach.
    Explain the functions & role of liver in human body
    Define the cohesion-tension theory?
    You see pus at the site of infection on your skin. How is it formed?
    What is pus? How it is formed?
    What is meant by transpiration pull? Write two causes of transpiration pull.
    What is blood plasma? How is blood plasma separated from blood?
    What is the difference between universal donors and universal recipients?
    What is meant by angina pectoris?
    Define pericardial fluid and write its function.
    Write the difference between pulmonary systemic circulation.
    Differentiate between arteries and veins.
    Write the difference between atherosclerosis and arteriosclerosis.
    Write the function of root hairs. Write the function of root in plant.
    What is meant by pressure flow mechanism?
    What is meant by granulocytes? Give their types.
    Write two effects of temperature on the speed of transpiration.
    What is the pericardium and why is it important?
    What is leukemia? Write its two symptoms.
    Differentiate between bicuspid.
    Write the functions of WBCs.
    Define transpiration and relate it with cell surface and with stomatal opening and closing.

    Chapter 9


    Define transpiration. Describe four factors that affect | the speed of transpiration.
    How do plants transport food? Explain.
    Describe the theory of pressure flow mechanism to explain the translocation of food in plants
    What is ABO and Rh blood group system? Explain it.
    Describe the structure & functions of human heart.
    How would you relate the internal structure of root with the uptake of water and salts? Explain.

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    We have uploaded important biology questions for class 9 to help you prepare for the exam. Our important important questions for Biology Class 9 are equally useful for all Punjab Boards. Including BISE Lahore, BISE Jammu Kashmir, BISE Gujranwala, BISE Sahiwal, BISE Sargodha, BISE DG Khan, BISE Faisalabad BISE Multan. Important questions with mating scheme.

    9th Biology important questions 2024 PDF Download

    Since you are a 9th grade student, biology is an important and compulsory subject for you. Biology is a theoretical subject, so it is considered a difficult subject. No need to worry about the exam as we have downloaded the best class 9 biology guesses to score high in the exam. Our best guess consists of important short questions and long questions frequently asked in all Punjab boards in previous exams. We believe that any student can easily score well in class 9 Biology exam. At the request of students, our team prepared this document. You can better understand the nature of the paper by using our class 9 Biology important questions. By using these important questions PDF, you will understand what types of questions can be asked and how to conduct your important questions. To develop this estimate, I referred to all previous exams and past papers over the last ten years, along with notes from Biology 9.

  • Class 9th Chemistry Important Questions

    9th class Chemistry Important Question 2024 Punjab Board

    On this page you will find important questions for Class 9 Chemistry 2024 both in English and Urdu. There are two formats to download the best important questions for class 9 chemistry. All the boards in Punjab can use useful chemistry estimation paper for class 9th. BISE boards in these locations include Faisalabad, Lahore, Gujranwala, Dera Ghazi Khan, Sargodha, Sahiwal, Multan and Jammu Kashmir. Many students practice Chemistry Important Questions 2024 by FAIZ UL ISLAM and get good marks in the exam.

    Chemistry Chapter 1 Matter in Our Surroundings Important Questions

    Q1. A sample of water under study was found to boil at 102 ℃ at normal temperature and pressure. Is the water pure? Will this water freeze at 0 ℃? Comment.
    Q2. A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following (Fig. 1.1) would correctly represent the result? Justify your choice.
    Q5. Osmosis is a special kind of diffusion. Comment.
    Q6. Classify the following into osmosis/diffusion
    Q7. Water as ice has a cooling effect, whereas water as steam may cause severe burns. Explain these observations.
    Q8. Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam gushing out of the spout of the kettle. She wondered whether the temperature of the steam was higher than that of the water boiling in the kettle. Comment.
    Q9. A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature < 0 OC). If you could measure the temperature of the content of the tumbler, which of the following graphs
    Q10. Look at Fig. 1.3 and suggest in which of the vessels A, B, C or D the rate of evaporation will be the highest? Explain.
    Q11. (a) Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
    (b) Conversion of solid-state to liquid state is called fusion; what is meant by the latent heat of fusion?

    Chemistry Chapter 2 Matter in Our Surroundings Long Questions:

    Q1. You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with a well-labelled diagram.
    Q2. It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes respectively. Who do you think would be more comfortable and why?
    Q3. You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
    Q4. Comment on the following statements:
    Q5. Why does the temperature of a substance remain constant during its melting point or boiling point?

    Fill in the blanks:

    (a) Evaporation of a liquid at room temperature leads to a __ effect.

    (b) At room temperature, the forces of attraction between the particles of solid substances are _ than those which exist in the gaseous state.

    (c) The arrangement of particles is less ordered in the _ state. However, there is no order in the _ state.

    (d) _ is the change of gaseous state directly to solid state without going through the state.

    (e) The phenomenon of the change of a liquid into the gaseous state at any temperature below its boiling point is called _.

    Chemistry Chapter 2 Is Matter Around Us Pure Important Questions with Answers

    Q1. Suggest separation technique(s) one would need to employ to separate the following mixtures.
    Q2. Which tubes in Fig. 2.1 (a) and (b) will be more effective as a condenser in the distillation apparatus?
    Q3. Salt can be recovered from its solution by evaporation. Suggest some other technique for the same?
    Q4. Seawater can be classified as a homogeneous and heterogeneous mixture. Comment.
    Q5. While diluting a solution of salt in water, a student added acetone (boiling point 56°C) by mistake. What technique can be employed to get back the acetone? Justify your choice.
    Q6. What would you observe when
    Q7. Explain why particles of a colloidal solution do not settle down when left undisturbed, while they do in the case of a suspension.
    Q8. Smoke and fog both are aerosols. In what way are they different?
    Q9. Classify the following as physical or chemical properties
    Q10. The teacher instructed three students, ‘A’, ‘B’ and C’, respectively, to prepare a 50% (mass by volume) sodium hydroxide (NaOH) solution. ‘A’ dissolved 50g of NaOH in 100 mL of water, ‘B’ dissolved 50g of NaH in 100g of water while C’ dissolved 50g of NaOH in water to make 100 mL of solution. Which one of them has made the desired solution and why?
    Q11. Name the process associated with the following
    Q12. You are given two water samples labelled as ‘A’ and ‘B’. Sample ‘A’ boils at 100°C, and sample “B’ boils at 102°C. Which sample of the water will not freeze at 0°C? Comment.
    Q13. What are the favourable qualities given to gold when it is alloyed with copper or silver to make omaments?
    Q14. An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
    Q15. Give an example of each mixture having the following features. Suggest a suitable method to separate the components of these mixtures.

    Q16. Fill in the blanks

    (a) A colloid is a _ mixture whose components can be separated by the technique known as _.

    (b) Ice, water and water vapour look different and display different properties but are _ the same.

    (c) A mixture of chloroform and water is taken in a separating funnel is mixed and left undisturbed for some time. The upper layer in the separating funnel will be of _, and the lower layer will be that of _.

    (d) A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K, can be separated by the process called _.

    (e) When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the _ of light by milk, and the phenomenon is called . This indicates that milk is a __ solution.

    Q17. Sucrose (sugar) crystals obtained from sugarcane and beétroot are mixed together. Will it be a pure substance or a mixture? Give reasons for the same.
    Q18. Give some examples of Tyndall effect observed in your surroundings?
    Q19. Can we separate alcohol dissolved in water by using a separating funnel? If yes, then describe the procedure. If not, explain.
    Q20. On heating, calcium carbonate gets converted into calcium oxide and carbon dioxide.
    Q21. Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
    Q22. Classify the substances given in Fig. 2.2 into elements and compounds
    Q23. Which of the following are not compounds?

    Chemistry Chapter 2 Is Matter Around Us Pure Long Questions

    Q1. Fractional distillation is suitable for separating miscible liquids with a boiling point difference of about 25 K or less. What part of the fractional distillation apparatus makes it efficient and possesses an advantage over a simple distillation process. Explain using a diagram.
    Q2. (a) Under which category of mixtures will you classify alloys and why?
    (b) A solution is always a liquid. Comment.
    (c) Can a solution be heterogeneous?
    Q3. Iron filings and sulphur were mixed together and divided into two parts, ‘A’ and ‘B’. Part ‘A’ was heated strongly while Part ‘B’ was not heated. Dilute hydrochloric acid was added to both the Parts and the evolution of gas was seen in both the cases. How will you identify the gases evolved?
    Q4. A child wanted to separate the mixture of dyes constituting an ink sample. He marked a line by the ink on the filter paper and placed the filter paper in a glass containing water, as shown in Fig. 2.3. The filter paper was removed when the water moved near the top of the filter paper.
    Q5. A group of students took an old shoe box and covered it with a black paper from all sides. They fixed a source of light (a torch) at one end of the box by making a hole in it and made another hole on the other side to view the light. They placed a milk sample contained in a beaker/tumbler in the box as shown in the Fig.2.4. They were amazed to see that milk taken in the tumbler was illuminated. They tried the same activity by taking a salt solution but found that light simply passed through it?
    Q6. Classify each of the following, as a physical or a chemical change. Give reasons.
    Q7. The students were asked to prepare a 10% (Mass / Mass) sugar solution in water during an experiment. Ramesh dissolved 10 g of sugar in 100 g of water while Sarika prepared it by dissolving 10 g of sugar in water to make 100 g of the solution.
    (a) Are the two solutions of the same concentration
    (b) Compare the mass % of the two solutions.
    Q8. You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture?
    Q9. Arun has prepared a 0.01 % (by mass) sodium chloride solution in water. Which of the following correctly represents the composition of the solutions?
    Q10. Calculate the mass of sodium sulphate required to prepare its 20 % (mass per cent) solution in 100g of water?

    Chemistry Chapter 3 Atoms and Molecules Important Questions:

    Q1. Which of the following represents a correct chemical formula? Name it.
    Q2. Write the molecular formulae for the following compounds
    Q3. Write the molecular formulae of all the compounds that can be formed by the combination of the following ions. Cu2+, Na+, Fe3+, Cl–, SO42-, PO43-.
    Q4. Write the cations and anions present (if any) in the following compounds
    Q5. Give the formulae of the compounds formed from the following sets of elements
    Q6. Which of the following symbols of elements are incorrect? Give their correct symbols
    Q7. Give the chemical formulae for the following compounds and compute the ratio by mass of the combining elements in each one of them. (You may use appendix-III).
    Q8. State the number of atoms present in each of the following chemical species
    Q9. What is the fraction of the mass of water due to neutrons?
    Q10. Does the solubility of a substance change with temperature? Explain with the help of an example.
    Q11. Classify each of the following based on their atomicity.
    Q12. You are provided with a fine white coloured powder, either sugar or salt. How would you identify it without tasting it?
    Q13. Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. The molar atomic mass of magnesium is 24g mol-1.

    Chemistry Chapter 3 Atoms and Molecules Long Questions

    Q1. Verify by calculating that
    Q2. Find the ratio by mass of the combining elements in the following compounds. (You may use Appendix-III)
    Q3. When dissolved in water, calcium chloride dissociates into its ions according to the following equation.
    Calculate the number of ions obtained from CaCl2 when 222 g of it is dissolved in water.
    Q4. The difference in the mass of 100 moles of sodium atoms and sodium ions is 5.48002 g. Compute the mass of an electron.
    Q5. Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225 g of pure HgS? The molar mass of Hg and S is 200.6 g mol-1 and 32 g mol-1, respectively.
    Q6. The mass of one steel screw is 4.11g. Find the mass of one mole of these steel screws. Compare this value with the mass of the Earth (5.98 × 1024 kg). Which one of the two is heavier, and by how many times?
    Q7. A sample of vitamin C is known to contain 2.58 x1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
    Q8. Raunak took 5 moles of carbon atoms in a container, and Krish took 5 moles of sodium atoms in another container of the same weight. (a) Whose container is heavier? (b) Whose container has more number of atoms?
    Q10. The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
    Q11. What is the SI prefix for each of the following multiples and submultiples of a unit?
    Q12. Express each of the following in kilograms
    Q13. Compute the difference in masses of 103 moles each of magnesium atoms and magnesium ions. (Mass of an electron = 9.1 x 10-31 kg)
    Q14. Which has more number of atoms?
    100g of N2 or 100 g of NH3.
    Q15. Compute the number of ions present in 5.85 g of sodium chloride.
    Q16. A gold sample contains 90% of gold and the rest copper. How many atoms of gold are present in one gram of this sample of gold?
    Q17. What are ionic and molecular compounds? Give examples.
    Q18. Compute the difference in masses of one mole of aluminium atoms and one mole of its ions. (Mass of an electron is 9.1 × 10-28 g). Which one is heavier?
    Q19. A silver ornament of mass ‘m’ gram is polished with gold equivalent to 1% of the mass of silver. Compute the ratio of the number of atoms of gold and silver in the ornament.
    Q20. The ethane (C2H6) gas sample has the same mass as 1.5 x1020 molecules of methane (CH4). How many C2H6 molecules does the sample of gas contain?

    Q21. Fill in the blanks

    (a) In a chemical reaction, the sum of the masses of the reactants and products remains unchanged. This is called __.

    (b) A group of atoms carrying a fixed charge on them is called __

    (c) The formula unit mass of Cag(PO4)2 is _

    (d) Formula of sodium carbonate is , and that of ammonium sulphate is

    Q22. Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table 3.2.
    Q23. (a) In this crossword puzzle (Fig 3.2), the names of 11 elements are hidden. Symbols of these are given below. Complete the puzzle.
    Q24. Write the formulae for the following and calculate the molecular mass for each of them.
    Q25. In photosynthesis, six molecules of carbon dioxide combine with an equal number of water molecules through a complex series of reactions to give a molecule of glucose having a molecular formula C6H12O6. How many grams of water would produce 18 g of glucose? Compute the volume of water consumed, assuming the density of water to be 1g cm-3.

    Chemistry Chapter 4 Structure of the Atom Important Questions

    Q1: Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
    Q2: Write any two observations which support the fact that atoms are divisible.
    Q3: Will 35Cl and 37Cl have different valencies? Justify your answer.
    Q4: Why did Rutherford select a gold foil in his α–ray scattering experiment?
    Q5: Find out the valency of the atoms represented by the Fig. 4.3 (a) and (b).
    Q6: One electron is present in the outer most shell of the atom of an element X. What would be the nature and value of charge on the ion formed if this electron is removed from the outer most shell?
    Q7: Write down the electron distribution of chlorine atom. How many electrons are there in the L shell? (Atomic number of chlorine is 17).
    Q8: In the atom of an element X, 6 electrons are present in the outermost shell. If it acquires noble gas configuration by accepting requisite number of electrons, then what would be the charge on the ion so formed?
    Q9: What information do you get from the Fig. 4.4 about the atomic number, mass number and valency of atoms X, Y and Z? Give your answer in a tabular form.
    Q10: In response to a question, a student stated that in an atom, the number of protons is greater than the number of neutrons, which in turn is greater than the number of electrons. Do you agree with the statement? Justify your answer.
    Q11: Calculate the number of neutrons present in the nucleus of an element X which is represented as 31X15.
    Q12: Match the names of the Scientists given in column A with their contributions towards the understanding of the atomic structure as given in column B.
    Q13: The atomic number of calcium and argon are 20 and 18 respectively, but the mass number of both these elements is 40. What is the name given to such a pair of elements?
    Q14: Complete Table 4.1 on the basis of information available in the symbols given below.
    Q15: Helium atom has 2 electrons in its valence shell but its valency is not 2, Explain.

    Q16: Fill in the blanks in the following statements:

    (a) Rutherford’s α-particle scattering experiment led to the discovery of the _.

    (b) Isotopes have same but different______.

    (c) Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be and _ respectively.

    (d) The electronic configuration of silicon is and that of sulphur is _.

    Q17: An element X has a mass number 4 and atomic number 2. Write the valency of this element.

    Chemistry Chapter 4 Structure of the Atom Long Questions:

    Q1: Why do Helium, Neon and Argon have a zero valency?
    Q2: The ratio of the radii of hydrogen atom and its nucleus is ~ 105. Assuming the atom and the nucleus to be spherical,
    Q3: Enlist the conclusions drawn by Rutherford from his α-ray scattering experiment.
    Q4: In what way is the Rutherford’s atomic model different from that of Thomson’s atomic model?
    Q5: What were the drawbacks of Rutherford’s model of an atom?
    Q6: What are the postulates of Bohr’s model of an atom?
    Q7: Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number.
    Q8: In the Gold foil experiment of Geiger and Marsden, that paved the way for Rutherford’s model of an atom, ~ 1.00% of the α-particles were found to deflect at angles > 50°. If one mole of α-particles were bombarded on the gold foil, compute the number of α-particles that would deflect at angles less than 50°.

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    Chemistry is considered one of the most difficult sciences. Chemistry at the second level can be compared to mathematics at the first level. Candidates who are weak in this subject do not care about it. While covering the topic, you may have only heard the importance of the topic.

    Chemistry Estimate Class 9th 2024 for Punjab Boards

    We have created this assessment in PDF format based on students’ requests. I think it is very difficult to complete this paper in ninth grade. By going through important questions of class 9 chemistry you will understand the essence of the paper better. Below is a collection of some of my favorite topics that I use to write a topic-based research paper or topic-based assignment. I’m sure there are others I’ve overlooked, and I’d love to hear about them.

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  • Class 9th Physics Important Questions

    9th class Physics Important Question 2024 Punjab Board

    On this page you will find Physics Estimate Paper for Class 9 2024 in both English and Urdu. There are two formats to download the most important questions for class 9 physics. All the boards in Punjab can use important physics estimation paper for class 9th. BISE boards in these locations include Faisalabad, Lahore, Gujranwala, Dera Ghazi Khan, Sargodha, Sahiwal, Multan and Jammu Kashmir. Many students practice Physics Estimate Paper 2024 by FAIZ UL ISLAM and get good results in the exam.

    Chapter 1

    Q No 1: What is Physics? Or Define Physics?
    Q No 2: What is the importance of Physics?
    Q No 3: Give the name of five Physics branches and define it.
    Q No 4: What are physical quantities? Or Define Physical quantities and give examples.
    Q No 5: Write the types of physical quantities.
    Q No 6: Define Base Quantities and give three examples.
    Q No 7: What are Derived Quantities? Give some examples.
    Q No 8: What are SI units?
    Q No 9: What are base units give examples.
    Q No 10: What are Derived Units give examples.
    Q No 11: Define prefixes.
    Q No 12: What is Scientific Notation?
    Q No 13: What are Measuring Instruments?
    Q No 14: What is the least account?
    Q No 15: What is the least account of Meter Rule, Venire Calipers, and screw gauge?
    Q No 16: Write down the formulas to find the least account of screw gauge, venire Caliper?
    Q No 17: What is Measuring Cylinder?
    Q No 18: What are significant Figures? How do we find Significant Figures?
    Q No 19: What are a Stopwatch and a digital stopwatch? Also, write its Least Account.
    Q No 20: What is venire constant?

    Chapter 2

    Q No 1: What is Rest and Motion?
    Q No 2:Diff. Between Translatory Motion, Rotatary Motion, and Vibratory Motion?
    Q No 3: How many Types of Translatory Motion Explain?
    Or Define and give examples of (1) Linear Motion (2) Circular Motion (3) Random Motion
    Q No 4: What is the difference between vector quantities and scalar quantities?
    Q No 5: How to represent vector quantities Explain.
    Q No 6: Define (1) Distance (2) Displacement (3) Speed (4) velocity (5) Acceleration (6)
    uniform velocity (7) uniform Acceleration (8) retardation or deceleration
    Q No 7: Write formula and SI units of (1) speed (2) velocity (3) Acceleration
    Q No 8: Derive Equations of Motions?
    Q No 9: What is Gravitational Acceleration?
    Q No 10: Explain the motion of freely falling Bodies.

    Chapter 3

    Q No 1: Define Dynamics.
    Q No 2: What is Force and inertia? Define (1) Force (2) Inertia
    Q No 3: Give an example of Inertia. Give an experiment to prove inertia.
    Q No 4: What is Momentum? Write its Mathematical form and SI unit.
    Q No 5: Define Newton’s first law of Motion. Why it’s also known as the Law of Inertia?
    Q No 6: What is Newton’s second law of Motion? Give its Mathematical form.
    Q No 7: What is the SI unit of Force? Define it.
    Q No 8: What is the difference between Mass and weight?
    Q No 9: What is Newton’s Third Law of Motion?
    Q No 10: What is Tension?
    Q No 11: Draw the relation between Force and Momentum. Write Newton’s second law in the form of Momentum.
    Q No 12: What is an isolated system? Also, define the Law of conservation of Momentum.
    Q No 13: What is Friction? Also, define the Force of limiting Friction and the coefficient of Friction.
    Q No 14: What is Rolling Friction? Why does rolling reduce friction?
    Q No 15: Write the methods to reduce Friction.
    Q No 16: What is centripetal and centrifugal Force? Give its formula.\

    Chapter 4

    Q No 1: What is like parallel Forces and unlike parallel Forces?
    Q No 2: What is Resultant Force?
    Q No 3: Explain Head the Tail Rule for Graphically Addition of vectors.
    Q No 4: What is the mean of Resolution of Forces? Give a perpendicular component of Force.
    Q No 5: What is a Rigid Body? Also, Define Torque.
    Q No 6: What is the Line of action of Force and Moment Arm? Give SI Units?
    Q No 7: What is the Principle of Moments?
    Q No 8: What is the difference between the Centre of Mass and the Centre of Gravity?
    Q No 9: How Can we find the Centre of Gravity of any irregular shape? Explain
    Q No 10: What is Equilibrium?
    Q No 11: What is the first state of Equilibrium?
    Q No 12: What is the second state of Equilibrium Explain.
    Q No 13: Define (1) Stable Equilibrium (2) Unstable Equilibrium (3) Neutral Equilibrium
    Q No 14: Explain with example Stability and Centre of Mass.

    Chapter 5

    Q No 1: Define Newton’s Gravitation law. Or what is the Law of gravitation that gives mathematical form?
    Q No 2: The Law of Gravitation relates to Newton’s third law. How?
    Q No 3: What is field Force and Gravitational field?
    Q No 4: Find the Mass of Earth.
    Q No 5: Gravitational acceleration is not constant? How does it change?
    Q No 6: Explain variation in g with Altitude.
    Q No 7: What is Artificial Satellites?
    Q No 8: Find the velocity of Artificial Satellites.

    Chapter 6

    Q No 1: What is Work? Give it Si Unit and define it.
    Q No 2: What is Energy?
    Q No 3: What is Kkinetic?Eenergy? Drive its formula?
    Q No 4: What is Potential Energy? Give its Formula.
    Q No 5: Does energy exist in various forms? Give some of its Forms.
    Q No 6: What is the conversion of energy?
    Q No 7: What are Fossil Fuels?
    Q No 8: What are Nuclear Fuels?
    Q No 9: WRITE A NOTE ON SOLAR HOUSE HEATING AND SOLAR CELLS.
    Q No 10: Explain Energy From Bio-Mass.
    Q No 11: Give Einstein’s Mass-Energy Equation.
    Q No 12: What is Efficiency and % Efficiency?
    Q No 13: What is Power? Give its SI unit?
    Q No 14: Define watt.

    Chapter 7

    Q No 1: EXPLAIN THE PROPERTIES OF LIQUIDS, SOLIDS, GASES, AND PLASMA
    BY USING THE KINETIC MOLECULES MODEL?
    Q No 2: What is Density? Gives its Formula?
    Q No 3: What is Pressure? Gives its formula and Si unit?
    Q No 4: What is Atmospheric Pressure?
    Q No 5: Atmospheric Pressure exerts in all directions? Prove?
    Q No 6: Explain the variation in Atmospheric Pressure.
    Q No 7: Liquids also exert Pressure? Explain Liquid Pressure.
    Q No 8: What is Pascal’s LAW?
    Q No 9: What is a Hydraulic Pressure Machine?
    Q No 10: Explain the Breaking system in Vehicles.
    Q No 11: What is Archimedes’ Law?
    Q No 12: What is the Principle of Floatation?
    Q No 13: What are Elasticity and Stress?
    Q No 14: Give the types of stress that also define Strain.
    Q No 15: What is Hooke’s Law?
    Q No 16: What is Young’s Modulus?

    Chapter 8

    Q No 1: What is Temperature and Heat?
    Q No 2: What is the Internal Energy of Molecules?
    Q No 3: What is a Thermometer?
    Q No 4: Write the properties of the liquid used in the thermometer.
    Q No 5: Draw the diagram of the Thermometer and give its structure.
    Q No: Gives the formula used in the conversion of Temperature? Celsius to Kelvin, Kelvin to
    Celsius? Also Kelvin to Fahrenheit scale?
    Q No 7: Define specific Heat Capacity and specific heat constant.
    Q No 8: What is meant by Heat capacity?
    Q No 9: What is the freezing point and Latent heat of fusion?
    Q No 10: What is the Latent heat of vaporization?
    Q No 11: What is Evaporation?
    Q No 12: What is thermal Expansion? Give its Applications?
    Q No 13: Explain Thermal Expansion in Liquids.

    Chapter 9

    Q No 1: What is meant by Transfer of Heat?
    Q No 2: What are Conduction and Thermal Conduction?
    Q No 3: Explain the Rate of flow of heat.
    Q No 4: What are the Conductor and Insulator? Give the uses of the Conductor and Insulator.
    Q No 5: What is Convection?
    Q No 6: What are the uses of Convection current?
    Q No 7: What are Land Breezes and Sea Breezes?
    Q No 8: What is meant by Gliding?
    Q No 9: What are Radiations? Explain briefly.
    Q No 10: Give the Applications of Radiations.

    Download PDF Format

    When preparing for their final exam, students can use the 9th grade physics assessment paper. Every chapter in the textbook is covered along with questions to be asked in the exam. These essential questions can be used as study aids after students have completed the entire book. By doing this, students can identify key concepts to focus on and gauge their understanding. As a result, important questions can boost students’ confidence and help them perform well in exams.

    Class 9 Physics Estimate Paper 2024 for Punjab Board Students

    In fact, physics is considered to be a very difficult subject. Class 9 exam date paper has been released as per all school board. All Punjab Boards will conduct Physics Papers on Friday. Therefore, there is little time for exam preparation. You can use these important questions to prepare for the board exam by covering all the important questions.

    In addition, you will improve your knowledge and prepare for the important questions that will come in these exams. One of the main features of our useful requests is that they can be downloaded for free. This means you can download and even print these important questions for free. However, on these exam days you can get and use these important questions for free even though these important questions are more expensive.

  • Class 9th English important questions

    9th class English important questions 2024 Punjab Board

    On this page you will find English Estimate Paper for Class 9 2024 in both English and Urdu. There are two formats to download the best important questions for class 9 English. All the boards in Punjab can use this useful English estimate sheet for class 9. BISE boards in these locations include Faisalabad, Lahore, Gujranwala, Dera Ghazi Khan, Sargodha, Sahiwal, Multan and Jammu Kashmir. Many students practice English Guess Paper 2024 by FAIZ UL ISLAM and get good results in exam.

    Unit No. 1 THE SAVIOR OF MANKIND

    What type of land Arabia is?
    Why was the Holy Quran sent in Arabic?
    For which ability were the Arabs famous?
    What was the condition of mankind before the Holy Prophet (PBUH)?
    Why did the Holy Prophet (PBUH) stay in the cave of Hira?
    What was the First revelation?
    Why did the pagan Arabs threaten The Holy Prophet’s (PBUH) uncle?
    What did Hazrat Ayesha (R.A) say about the life of the Holy Prophet (PBUH)?

    UNIT NO 2 “PATRIOTISM”

    How will you define Patriotism?
    What are the qualities of a patriot?
    As a citizen of Pakistan, what are your duties towards your country?
    What makes us stay alert in the wake of foreign invasion?
    How will you elaborate on Quaid-e-Azam Muhammad Li Jinnah’s quote? “We must develop a sense of patriotism which galvanizes us all into one united and strong nation

    Unit no 3 “MEDIA AND ITS IMPACT”

    What is the most important function that media performs?
    What are two major means of communication?
    How does media provide entertainment?
    What happens when media is allowed to play its role unchecked?
    Give three reasons to support your favorite TV program.

    Unit no 4 “HAZRAT ASMA (R.A)

    What happened when Abu Jhel asked about Hazrat Abu Bakar (R.A)?
    Why was Hazrat Abu Quhafaa( R.A) worried?
    How did Hazrat Asma ( R.A) console her grandfather?
    Who was Hazrat Abdullah Bin Zubair (R.A)?
    Which incident in the story showed HazratAsma’s love and respect for the Holy Prophet(PBUH).
    Which incident in the story tells about the generosity of Hazrat Asma (R.A)?
    What message do you get from the life of Hazrat Asma (R.A)?
    “Her life would always be a bacon of light for all of us” How?

    Unit no 5 “DAFFODILS”

    What is the central idea of the poem?
    What do the daffodils represent in the poem?
    What “ wealth “does memorizing the scene give to the poet?
    List words that heighten the sound effect in the poem.
    How has the poet heightened the impact of the poem by using figurative language?

    Unit no 6 “Quaid’s Vision and Pakistan”

    How much confidence did Quaid-e-Azam have in his nation?
    What was Quaid’s concept of our nation?
    What was the ideology of Pakistan given Quaid-e-Azam?
    What can be a possible solution to our present problems?
    How can we become a strong nation?
    What does the love of our country demand from us?

    Unit No 7 “Sultan Ahmed Mosque”

    Why Sultan Ahmed Mosque is also known as Blue Mosque?
    Who was appointed as the architect of the Mosque?
    Why was a heavy iron chair hung at the entrance of the court?
    How does the interior of the Mosque look?
    Why do you think Madrassah and hospice were part of the Mosque?
    Who constructed Mosque Sophia?

    Unit No 8 “Stopping by Woods and a Snowy Evening”

    Who is the speaker in the Poem?
    Who does the speaker refer to in the first stanza of the poem?
    Why does the speaker “stop on the darkest evening of the year”?
    Why does the horse impatiently await the next move of his master?
    The speaker in the poem is captivated by the beauty of nature. Why doesn’t he stop for
    long to enjoy nature’s beauty?

    Unit No 9 “All Is Not Lost “

    Why did the nurse ask Hira’s sister to come and talk to her?
    Why did the nurse disagree with the doctor’s point of view?
    Why did the nurse ask herself the question: “Was it worthwhile to oppose and fight the
    decision of senior and more qualified surgeons”?
    Describe some qualities of the personality of the nurse in the story.
    Why did the nurse say: “Where there is will there is way”?

    Unit No 10 “DrugAddiction”

    What are the effects of drug addiction?
    What are the causes of the drug addiction?
    What important role do rehabilitation centers play in controlling drug addiction?
    What is the role of counseling in preventing drug addiction?
    Why did families feel reluctant to take the drug victims to drug rehabilitation centers?
    What are the responsibilities of families to ensure the complete recovery of such patients?

    Unit No 11 “Noise in the Environment”

    How do you define noise pollution?
    How is transport a source of noise pollution?
    How is construction work a cause of noise pollution?
    How is the use of technology causing noise pollution?
    Why is noise dangerous for human health?
    What kind of precautions may reduce noise coming from electronic devices?

    Unit No 12 “Three Days To See”

    Who was Helen Keller?
    Describe the thought expressed by the author in the first paragraph.
    What makes you feel that the author is sad and depressed?
    How do you get the impression that she was a great admirer of nature?
    People who are deprived of sight are not devoid of imagination. Discuss, referring to the text.
    “To me, the pageant of seasons is an unending drama”, comment?

    Download PDF Format

    If you are trying to get 2nd year english raaivraestel 2024 in pdf then you are in right place. According to Punjab Board Syllabus, here is Class 12 English Estimation Paper. The role of important questions is very crucial in every student’s life as these papers contain all the important questions that are likely to appear in the final exam. In addition, they provide a detailed description of how the tests will be conducted. This happened in the upcoming 12th class annual.

    If you are trying to get 2nd year english assessment paper 2024 pdf then you are at right place. According to Punjab Board Syllabus, here is Class 12 English Review Paper. The role of assessment papers is very important in every student’s life because these papers contain all the important questions that may appear in the final exams. In addition, the assessment papers provide a detailed description of how the exams will be conducted. This is because of the upcoming 12th annual events.