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Biology Important Question Bank 2017
Q1. With the help of a neat and labeled diagram describe Watson and Crick’s model of D.N.A
Q2. Global warming is caused by ‘green house effect’. Justify.
Q3. With the help of a neat, labeled diagram, describe the human male reproductive system.
Q4. Sketch and label ‘structure of nephron’.
Q5. Describe any two applications of tissue culture technique
Q6. State and explain the ‘Law of Independent Assortment’ with a suitable example.
Q 7 There is a hole in the ozone layer’. What do you understand by this?
Q 8. Sketch and label V.S of human eye
Q 9. Write a note on desert adaptations
Q10. Describe Watson and Crick’s model of DNA
Q 11. Give the impact of population explosion on food supply
Q12. What is drug addiction? Mention the effects of sedatives
Q13 Write a note on preventive measure of AIDS
Q14. What is hypothyroidism? Mention any two disease caused by hypothyroidism
Q15. Mention any ‘four’ biological disease causing agents.
Q16. Sketch, label and describe the central nervous system of cockroach.
Q17. Write the help of neat labeled diagram describe the V.S. of kidney and add a note on structure of Nephron
Q18. Describe floral adaptations in Anemophily and entomopliy
Q19. What is cloning? Describe plant and animal cloning and give its importance.
Q20. Describe the Calvin cycle
Q21. What ABA? Give its effects on plants/
Q22. Explain capillarity theory of ascent sap.
Q23. What is DNA finger printing? Explain principles of DNA finger printing and write its applications.
Q24. Write medicinal use of aloevera and Asparagus racemosus
Q25. Describe the structure of Malpighi and body.
DISTINGUISH BETWEEN
- Natality and Mortality
- Competition and Mutualism
- Light reaction and dark reaction
- Communicable and non-communicable diseases
- Aerobic and Anaerobic respiration
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