1. A polygonum-type of embryosac is
2. Banana plant develops from
3. A clone is a group of individuals obtained through
4. What would be the number of chromosomes of the aleuronecells of a plant with 42 chromosomes in its root tip cells?
5. Cailiflory is flowers produced
6. 8-nucleate embryosacs are
7. Axillary buds are used to raise crop of
8. If any Somatic cell of sporophyte produces gametophyte without reduction division, it is
9. Fusion of two dissimilar gametes is known as
10. Fertilisation in which male gametes are carried through pollen tube is known as
11. Nucellar polyembryony is reported in species of
12. The aleurone layer in maize grain is specially rich in
13. In which one of the following, male and female gametophytes do not have free living independent existence?
14. Both, autogamy and geitonogamy are prevented in
15. In Angiosperms, pollen tube liberate their male gametes into the
16. Male gametes in angiosperms are formed by the division of
17. Which type of association is found in between entomophilous flower and pollinating agent?
18. In anatropous ovule,what is the direction of micropyle?
19. Even in absence of pollinating agents seed-setting is assured in
20. The coconut water and the edible part of coconut are equivalent to
21. An organic substance that can withstand environmental exitremes and cannot be degraded by any enzyme is
22. Double fertilization involves
23. Anthesis is
24. An orthotropous ovule is one in which micropyle and chalza are
25. In which one of the following pollination is autogamous?
26. In a flowering plant, archesporium gives rise to
27. Amonocarpic plant is one which
28. In an angiosperm, male plant is diploid and female plant tetraploid, endosperm will be
29. In Agave, Vegetative propagation is carried out through
30. How many microspore mother cells will produce 1600 microspores?
31. Germ pore is the region where the exine is
32. Embryosac is found in
33. Double fertilization was first discovered by Nawaschin (1898) in
34. Wind pollination is common in
35. Apomixis is a type of reproduction that results in the development of a /an