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