CBSE Guess > Papers > Question Papers > Class XII > 2006 > Biology > Outside Delhi Set -II
BIOLOGY— 2006 (Set II—Outside Delhi)
General Instructions: Same as in Set-I (Outside Delhi) 2006,
Note: Except for the following questions all the remaining questions have been asked in Set-I.
SECTION - A
Q. 4. Name the type of granulocytes that play an important role in detoxification. (1)
SECTION - B
Q. 6. What is gynaecomastia? Mention its cause. (2)
Q. 14. What is meant by abscission? Name the phytohormone involved in it. (2)
Q. 15. In what form do plants absorb molybdenum from the soil? List any two molybdenum deficiency symptoms in plants. (2)
SECTION - C
Q. 17. What is geitonogamy? Give one example. How does geitonogamy differ from xenogamy in plants? (3)
Q. 20. What is Dehydroepiandrosterone (DHELTA)? Where is it produced in humans? What is its role in ageing? (3)
Q. 22. Describe the special adaptations of xerophytes with respect to root system, stem and leaves. (3)
Q. 23. What are interferons? How do they help in developing resistance to infections? (3)
SECTION - D
Q. 28. List the three stages of the Calvin cycle of photosynthesis. Describe the chemical step in these stages. (5)
- How is imbibition different from osmosis?
- Under which two conditions does imbibition occur
- State the importance ofi.mbibition in seed germination.
CBSE 2006 Question Papers Class XII