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