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