1. Which plant growth regulator is the derivative of carotenoids?

2. The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of

3.  Coiling of garden pea tendrils around any support is an example of

4. The ability to regain or recover the lost or injured part of body is

5. A few normal seedlings of tomato were kept in a dark room. After a few days, they were found to have become white-colored like albinos. Which of the following terms will you use to describe them? 

6. Liver and pancreas arise from

7. Which one of the followings is a gaseous plant hormone?

8. To prevent over – ripening, bananas should be

9. Mechanism of development was explained by

10. Which growth hormone accerlates the malting process in brewing industry?

11. Auxin is synthesised in the apical meristems from amino acid

12. Cavity formed between somatic and splanchnic mesoderm is called

13. Growth in dorsiventral leaf is measured in terms of

14. Three important growth promotor hormones in plants are

15. Growth regulator which is known to promote cell division in vascular cambium is

16. Typical plant growth shows _________ curve.

17. You are given a tissue with its potential for differentiation in artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots?

18. Auxins hormone was first discoverd by

19. Mobilisation of stored food in germinating seeds is triggered by

20.  Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, it is indicated in