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