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