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