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