1.
The central cell of pollen grain later forms
2.
The male gametes are released in
3.
Which layer becomes fibrous at maturity?
4.
Pollen grains preserved for palynological studies remain intact due to
5.
Which feature ensures pollen survival in air?
6.
Pollen allergy is caused mainly due to
7.
The tapetum is usually
8.
The four microsporangia in a typical anther are arranged as
9.
Callose wall is present around
10.
Pollen viability is shortest in
11.
A pollen tetrad is formed due to
12.
Amoeboid tapetum is also called
13.
The outermost layer of anther wall is
14.
Which part of pollen tube enters synergid?
15.
Dissolution of callose wall is brought about by
16.
The number of pollen grains produced from 100 MMCs is
17.
The site of pollen germination is
18.
Pollen grain is functionally equivalent to
19.
The term palynology refers to study of
20.
Which cell degenerates after pollen tube formation?
21.
Sporopollenin is deposited on pollen by
22.
Vegetative cell of pollen grain is characterised by
23.
The nutritive role of tapetum is similar to
24.
The function of germ pore is to
25.
Which layer of anther wall degenerates completely after pollen maturation?
26.
The number of nuclei in a 3-celled pollen grain is
27.
Pollenkitt is secreted by
28.
Maximum variation in pollen morphology is useful in
29.
Secretory tapetum retains
30.
The process that converts microspore into pollen grain is
31.
The pollen tube wall is mainly composed of
32.
In majority of angiosperms, pollen grains are shed at
33.
Which of the following does NOT contribute to pollen wall formation?
34.
The generative cell divides to form
35.
The exine is absent over
36.
The most resistant biological material known is
37.
Pollen grains in insect-pollinated flowers are
38.
Which structure is diploid?
39.
Which structure ruptures first during anther dehiscence?
40.
Ubisch bodies are associated with
41.
Pollen grains stored in pollen banks are preserved using
42.
Sporopollenin is synthesised mainly by
43.
Exine pattern on pollen surface is studied using
44.
The nutritive tissue for developing pollen is
45.
Intine of pollen grain is mainly composed of
