9th Class Biology Past Paper 2017 Evening
Note: Biology 2nd Time Paper of 9th Class.
Group-II (Subjective) 48 Marks
Part– I
Q.2 Write short answers to any FIVE (5) questions: (10)
(i) Write down the definition of Biology.
(ii) Differentiate between botany and zoology.
(iii) Write down the definition of the biological method.
(iv) Differentiate between quantitative observations and qualitative observations, giving one example.
(v) What is meant by biodiversity?
(vi) Write down the importance of biodiversity.
(vii) Differentiate between magnification and resolution.
(viii) What is meant by a micrograph?
Q3. Write short answers to any FIVE (5) questions: (5×2=10)
(i) How does cytokinesis occur in a plant cell?
(ii) What changes occur in a cell during the S-phase?
(iii) What is metastasis?
(iv) Differentiate between extracellular and intracellular enzymes.
(v) Describe the use of enzymes in the food industry.
(vi) How much energy is released from one mole of ATP?
(vii) What is alcoholic fermentation?
(viii) What is osmosis of water?
Q4. Write short answers to any FIVE (5) questions: (5×2=10)
(i) Define malnutrition.
(ii) What is meant by bolus?
(iii) Define organic fertilizer with an example.
(iv) Write two functions of the large intestine.
(v) Write the function of neutrophils and basophils.
(vi) How is pus formed?
(vii) Why are AB blood group individuals called universal recipients?
(viii) Write the symptoms of dengue fever.
PART-II
Note: Attempt any TWO questions.
Q.5
(a) Explain the population level and community level. (9 Marks)
(b) Describe in detail the difference between prokaryotic and eukaryotic cells. (9 Marks)
Q.6
(a) Describe models regarding the mechanism of enzyme action. (9 Marks)
(b) Give events of light reactions in photosynthesis. (9 Marks)
Q.7
(a) Write the role of the pharynx and oesophagus in digestion of human food. (9 Marks)
(b) What is meant by transpiration? Explain factors affecting the rate of transpiration. (9 Marks)