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