CBSE Class 11 Biology Revision Assignment Set C

1. How is valvate aestivation different from twisted aestivation? 

2. Give one evidence to show that viruses are smaller than bacteria. 

3. Which plant part has transformed into the following different modifications?

(i) Thorn of citrus (ii) Tendril of pea 

4. How do you represent by symbols the following in a floral formula? (i) Zygomorphic (ii) Adhesion between Corolla and Androecium 

5. What are botanical gardens? Name two botanical gardens of India 

6. Define order. Give example. 

7. What is meant by ‘ Contagium Vivum Fluidum’ ? Who gave this idea? 

8. What the terms ‘algal bloom’ and ‘red tides’ signify? 

9. What is the structural difference between tendril of pumpkin and pea? 

10. Write floral formula of family- Solanaceae 

11. How are Ascomycetes different from Basidiomycetes? 

12. How systematic is different from taxonomy? 

13. Differentiate between axile and free central aestivation. Draw diagram. 

14. How basidiomycetes is different from ascomycetes? 

15. Differentiate between hypogynous and epigynous flower with an example of each.

16. How is key helpful in the identification and classification of an organism? 

17. How are archaebacteria able to live in extreme environmental conditions? Mention two such conditions in which they live. 

18. Differentiate between phototrophic and chemotrophic bacteria. 

19. How are mycoplasma different from other prokaryotes? Name two diseases they cause in animals.

20. Name the fungus called as ‘Drosophila’ of this kingdom. Why? 

21. Mention the modified function performed by: 

a. Underground stem of potato

b. Axillary bud of Citrus

22. How would you differentiate the leaflets of a compound leaf from simple leaves on a branch? Give an example of a plant with bipinnate leaves? 

23. What are bracteates and ebracteate flowers? 

24. When are stamens described as epipetalous? Give an example. 

25. Name two medicinal plants of Solanaceae.

26. Differentiate between androecium of Fabaceae and Solanaceae. 

27. Distinguish between simple epithelium and compound epithelium. 

28. Distinguish between dense regular and dense irregular connective tissue.

29. What are mosaic vision? Name the animal that has mosaic vision. 

30. What is meant by Km value in enzyme reaction? What does in indicate?

31. Bring out the differences between ligase and lyases. 

32. Write how herbarium and museums can be used as taxonomical aids?

33. Explain the modes of nutrition in Eubacteria. 

34. Describe the classification of flowers on the basis of position of ovary. Draw diagram.

35. Write about any two types of protozoa with examples of each. 

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