Reproduction In Flowering Plants Plant Embryology Test Online

1. In which one of the following combinations (a – d) the number of chromosomes of the present day hexaploid wheat is correctly represented?

2. Asexual reproduction is called as:

3. Double fertilization involves

4. Pollination by snail and slug is called as

5. The pollen tube usually enters the embryo sac

6. Which part of embryo comes out first during seed germination?

7. Anemophilous flowers have

8. Growth of pollen tube towards embryo is

9. Xenia refers to

10. Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of

11. The plant part which consists of two generations one within the other, is  

12. Which of the following statement is true?

13. A scion is grafted to a stock. The quality if fruits produced will be determined by the genotype of