COUNCIL OF HIGHER SECONDARY EDUCATION, MANIPUR
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COUNCIL OF HIGHER SECONDARY EDUCATION, MANIPUR |
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SAMPLE QUESTION, 1999 |
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BIOLOGY |
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(THEORY) |
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Full Marks-70 |
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Pass Marks-21 |
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Time : Three hours |
All questions are compulsory
Marks for each question are indicated against it
From question nos. 1-5 select the most appropriate one
and rewrite the same
| 1. | The type of pollination carried out by wind is known as : | 1 |
| (a) Entomophily (b) Anemophily (c) Hydrophily (d) Ornithophily. |
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| 2. | The family to which Homo sapiens belongs to is : | 1 |
| (a) Pongidae (b) Hyalobatidae (c) Hominidace (d) Gorilla |
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| 3. | Which of the following minerals is essential in the formation chlorophyll though it is not found in the constitution of the of chlorophyll ? |
1 |
| (a) Iron (b) Copper (c) Calcium d) Zinc. |
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| 4. | Which one of the following carries message for the synthesis of protein ? |
1 |
| (a) ATP (b) DNA (c) m-RNA (d) NADP. |
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| 5. | In which one of the following is the respiratory pigment present in man? |
1 |
| (a) Haemocyanin (b) Haemorythrin (c) Haemoglobin (d) Lighaemoglobin |
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| 6. | Define racemose type of infloresence. | 1 |
| 7. | Write a point of difference between fruit and seed. | 1 |
| 8. | What is a radial type of vascular bundle? | 1 |
| 9. | Write two hormones responsible for breaking dormancy of seeds and plants. |
½ +1/2 =1 |
| 10. | Give one example of fluid tissue. | 1 |
| 11. | Name the enzyme which hydrolyses starch to maltose during digestion of food. |
1 |
| 12. | Define Genetic engineering. | 1 |
| 13. | Explain the term Plasmid | 1 |
| 14. | What conclusion could he drawn from Laderberg's replica-plating experiment? |
1 |
| 15. | Differentiate between communicable disease and degenerative disease. |
1 |
| 16. | Draw and label a L.S. of a flower showing all the four whorls. |
1+1-2 |
| 17. | Draw a labeled diagram of synovial joint of man. | 1+1=2 |
| 18. | State any two important features of Gene. | 1+1=2 |
| 19. | Explain any two morphological changes noticed in chromosomal mutation. |
1+1=2 |
| 20. | Differentiate between homologous and analogous organs. |
1+1=2 |
| 21. | Mention the conditions for the development of a testtube baby. |
2 |
| 22 | Why is overpopulation considered a burning problem in the developing countries like India? |
1+1=2 |
| 23. | Explain how do green manures improve soil fertility and productivity? |
2 |
| 24. | How does meristematic tissue differ from permanent tissue? Give three points of differences. |
1x3=3 |
| 25. | You are supplied with Potato, Onion and Ginger for study. How would you say that these are stems but not roots though these are found underground, Give three points to support your answer. |
1x3=3 |
| 26. | How does breathing differ from respiration ? Give three points of difference. |
1X3-3 |
| 27. | Draw and label Watson and Crick’s double helical model of DNA molecule. |
3 |
| 28. | Any person can become allergic to anything and at any time of his life. Explain how ? |
3 |
| 29. | Give three points of differences between an artery and a vein in the circulatory system of blood in man. |
6 |
| 30. | Mention the main postulates of Darwin's theory of Natural selection. | 6 |
| 31. | State the method of fertilization taking place in an angiosperm. What is a double fertilization ? |
5+1= 6 |
| 32. | "The fore-brain is the highest centre for many sensations and activities. "Explain why ? Give reasons to support your answer. |
6 |