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