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