9th Biology Guess Paper 2024
UnitWise Most Important Short Questions
Unit # 1
Introduction to Biology
1. Define the biology.
2. Define anatomy.
3. Define taxonomy.
4. Define genetics and biotechnology.
5. What are parasites?
6. Define farming, horticulture, and agriculture.
7. Differentiate between population and community.
2. Define anatomy.
3. Define taxonomy.
4. Define genetics and biotechnology.
5. What are parasites?
6. Define farming, horticulture, and agriculture.
7. Differentiate between population and community.
8. Write the scientific names of crow, frog, mustard, onion
9. Define fossil.
10. difference between unicellular and multicellular organisms.
Unit # 2
Solving Biological Problems
1. Differentiate between theory and law.
2. Why quantitative observations are considered better than qualitative observations?
3. Differentiate between quantitative and qualitative observations with examples.
4. Define bioinformatics.
5. What is the incubation period?
6. Define the scientific method and biological method.
7. What do you mean by the biological problem?
8. Write the observations of Dr. A.F.A King about malaria.
9. Write the characteristics of a good hypothesis.
2. Why quantitative observations are considered better than qualitative observations?
3. Differentiate between quantitative and qualitative observations with examples.
4. Define bioinformatics.
5. What is the incubation period?
6. Define the scientific method and biological method.
7. What do you mean by the biological problem?
8. Write the observations of Dr. A.F.A King about malaria.
9. Write the characteristics of a good hypothesis.
10. How do we make a hypothesis?
11. What is meant by deductions?
Unit # 3
Biodiversity
1. Define biodiversity.
2. Briefly describe the importance of biodiversity.
3. Write the aims of classification.
4. What do you mean by binomial nomenclature?
5. Describe the relationship between taxonomy and systematics.
6. Differentiate between the terms ‘distinct’ and endangered species.
7. Differentiate between the nutrition methods in plants and fungi.
8. Why viruses are not included in any kingdom? OR What is the place of viruses in classification?
9. What is meant by deforestation?
2. Briefly describe the importance of biodiversity.
3. Write the aims of classification.
4. What do you mean by binomial nomenclature?
5. Describe the relationship between taxonomy and systematics.
6. Differentiate between the terms ‘distinct’ and endangered species.
7. Differentiate between the nutrition methods in plants and fungi.
8. Why viruses are not included in any kingdom? OR What is the place of viruses in classification?
9. What is meant by deforestation?
10. How the scientists give scientific names to living organisms?
11. What is monera?
12. Write the names of the five-kingdom system.
Unit # 4
Cell Biology
1. Define cell theory. Write its principles.
2. Write the functions of leucoplasts and chromoplasts.
3. Differentiate between diffusion, facilitated diffusion, and active transport.
4. What is meant by hypertonic and hypotonic solutions.
5. What is the Golgi apparatus or Golgi complex?
6. What is osmosis?
7. Differentiate between endocytosis and exocytosis.
8. Differentiate between eukaryotic and prokaryotic cells.
2. Write the functions of leucoplasts and chromoplasts.
3. Differentiate between diffusion, facilitated diffusion, and active transport.
4. What is meant by hypertonic and hypotonic solutions.
5. What is the Golgi apparatus or Golgi complex?
6. What is osmosis?
7. Differentiate between endocytosis and exocytosis.
8. Differentiate between eukaryotic and prokaryotic cells.
9. What are voluntary and involuntary muscles?
10. Write the name of two tissues found in Plants.
11. Write about phagocytosis and pinocytosis.
12. Write the function of plasmodesmata.
13. What is meant by diffusion and facilitated diffusion?
14. Define magnification and resolution.
Unit # 5
Cell Cycle
1. Define the cell cycle and write the names of its major phases.
2. Differentiate between somatic cells and germline cells.
3. What is regeneration?
4. How asexual reproduction occur in hydra?
5. Differentiate between benign and malignant tumors.
6. What is metastasis?
7. Differentiate between mitosis and meiosis.
8. What is crossing over?
9. What is disjunction and non-disjunction?
10. What are apoptotic bodies?
2. Differentiate between somatic cells and germline cells.
3. What is regeneration?
4. How asexual reproduction occur in hydra?
5. Differentiate between benign and malignant tumors.
6. What is metastasis?
7. Differentiate between mitosis and meiosis.
8. What is crossing over?
9. What is disjunction and non-disjunction?
10. What are apoptotic bodies?
11. What is phragmoplast?
12. What is meant by the G0 and G1 phases?
13. Define asexual reproduction with an example.
14. What is meant by cytokinesis and karyokinesis?
Unit # 6
Enzymes
1. What are biocatalysts?
2. What are enzymes?
3. Differentiate between substrates and products.
4. What is activation energy?
5. Define cofactors, coenzymes and prosthetic groups.
6. Write about the use of enzymes in the paper industry.
7. How enzymes are denatured?
8. In what way do enzymes reduce the activation energy?
2. What are enzymes?
3. Differentiate between substrates and products.
4. What is activation energy?
5. Define cofactors, coenzymes and prosthetic groups.
6. Write about the use of enzymes in the paper industry.
7. How enzymes are denatured?
8. In what way do enzymes reduce the activation energy?
9. Differentiate between anabolism and catabolism.
10. What is meant by optimum pH for an enzyme?
11. Write about the induced-fit model and Lock and key model of enzyme action.
Unit # 7
BioEnergetics
1. Define bioenergetics.
2. What is ATP? Write names of its subunits.
3. Write the significance of anaerobic respiration.
4. Differentiate between aerobic and anaerobic respiration.
5. Define cellular respiration.
6. What is electron transport chain?
7. Differentiate between alcoholic fermentation and lactic acid fermentation.
8. Compare respiration and photosynthesis.
9. What is glycolysis?
2. What is ATP? Write names of its subunits.
3. Write the significance of anaerobic respiration.
4. Differentiate between aerobic and anaerobic respiration.
5. Define cellular respiration.
6. What is electron transport chain?
7. Differentiate between alcoholic fermentation and lactic acid fermentation.
8. Compare respiration and photosynthesis.
9. What is glycolysis?
10. What is meant by light reaction and dark reaction?
11. What is the electron transport chain? how is it formed?
12. Briefly explain oxidation and reduction processes.
Unit # 8
Nutrition
1. Differentiate between bolus and chyme.
2. What do you mean by nutrition?
3. What are saturated and unsaturated fatty acids?
4. Write the sources and function of vitamin A.
5. What are water-soluble and fat-soluble vitamins?
6. Write the sources and functions of vitamin D.
7. Write functions of dietary fibre.
8. What is a balanced diet?
9. Define malnutrition. Write names of its types.
10. Write steps of digestion in human.
11. Write the functions of the oral cavity.
12. What is peristalsis?
13. What is an appendix?
14. What is anaemia?
15. Write symptoms of Ulcer.
16. Write the causes of constipation and Diarrhoea.
2. What do you mean by nutrition?
3. What are saturated and unsaturated fatty acids?
4. Write the sources and function of vitamin A.
5. What are water-soluble and fat-soluble vitamins?
6. Write the sources and functions of vitamin D.
7. Write functions of dietary fibre.
8. What is a balanced diet?
9. Define malnutrition. Write names of its types.
10. Write steps of digestion in human.
11. Write the functions of the oral cavity.
12. What is peristalsis?
13. What is an appendix?
14. What is anaemia?
15. Write symptoms of Ulcer.
16. Write the causes of constipation and Diarrhoea.
17. What is obesity?
18. Write name of two major kinds of fertilizers.
Unit # 9
Transport
1. Define cohesion tension theory.
2. What is meant by source and sink?
3. Write the functions of pericardial fluid.
4. Define systole and diastole.
5. What is the role of potassium ion in opening and closing of stomata?
6. What is myocardial infarction?
7. What is pulmonary and systemic circulation?
8. Who are universal donors and universal recipients.
9. What is leukaemia?
10. Write the composition of blood plasma.
11. What is transpiration?
12. What is antigen?
2. What is meant by source and sink?
3. Write the functions of pericardial fluid.
4. Define systole and diastole.
5. What is the role of potassium ion in opening and closing of stomata?
6. What is myocardial infarction?
7. What is pulmonary and systemic circulation?
8. Who are universal donors and universal recipients.
9. What is leukaemia?
10. Write the composition of blood plasma.
11. What is transpiration?
12. What is antigen?
17. Who are called universal donors?
18. Write two differences between arteries and veins.
ChapterWise Important Long Questions
Unit # 1
1. Write a note on Muslim scientists.
2. Describe the relationship of Biology with other sciences.
2. Describe the relationship of Biology with other sciences.
3. Give four careers in Biology.
4. Arite note on tissue, organ, and organ system
Unit # 3
1. How human activities are affecting biodiversity.
2. Write the aims and rules of binomial nomenclature
3. Write the aims and rules of classification.
2. Write the aims and rules of binomial nomenclature
3. Write the aims and rules of classification.
4. Give the importance of biodiversity.
Unit # 4
1. Write a note on meristematic tissues in plants and muscle tissues in animals.
2. Write the structure and functions of nucleus.
3. Write the functions of cell membrane and cell wall.
2. Write the structure and functions of nucleus.
3. Write the functions of cell membrane and cell wall.
4. What is the cytoskeleton? give its importance.
5. Write a note of endoplasmic reticulum and epidermal tissues.
Unit # 7
1. Differentiate between light reactions and dark reactions
2. Write the role of light and chlorophyll in photosynthesis.
3. Describe the limiting factors in photosynthesis.
2. Write the role of light and chlorophyll in photosynthesis.
3. Describe the limiting factors in photosynthesis.
4. Explain the mechanism of respiration.
Unit # 8
1. Describe the role of the liver in the digestion of food.
2. Describe the process of digestion in the small intestine.
3. Describe the problems related to nutrition.
4. Write the importance of fertilizers for plants.
2. Describe the process of digestion in the small intestine.
3. Describe the problems related to nutrition.
4. Write the importance of fertilizers for plants.
Unit # 9
1. How do various factors affect the rate of transpiration?
2. Write the causes, treatment, and prevention of myocardial infarction.
3. Write a note on the ABO blood group system.
4. Transpiration is a necessary evil. Explain. (Significance of transpiration)
5. Structure of the human heart with diagram.
2. Write the causes, treatment, and prevention of myocardial infarction.
3. Write a note on the ABO blood group system.
4. Transpiration is a necessary evil. Explain. (Significance of transpiration)
5. Structure of the human heart with diagram.
6. Importance of rH factor in blood transfusion.
Best of Luck my dearest Students for the final attempt 2024
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