1.
The egg apparatus is formed at
2.
In Polygonum type, megaspore degeneration occurs at
3.
The embryo sac shown in Fig. 1.8 belongs to which type?
4.
Autogamy requires which condition compulsorily?
5.
The egg cell nucleus is
6.
Cellularisation of embryo sac occurs after
7.
Anemophilous flowers usually have
8.
The chalazal end is characterised by presence of
9.
Cleistogamous flowers ensure
10.
The mature embryo sac is best described as
11.
Product of syngamy is
12.
Different timing of anther and stigma maturity is called
13.
Triple fusion involves fusion of
14.
Entomophilous flowers usually possess
16.
Self-incompatibility is controlled by
17.
Which pollination type brings genetic variation?
18.
Double fertilisation is a characteristic feature of
19.
The functional megaspore develops from
20.
The final nuclear number before cellular organisation is
21.
The female gametophyte completes development
22.
Synergids possess a specialised structure called
23.
Bee pollination is called
24.
Chasmogamous flowers are adapted mainly for
25.
Vallisneria shows which type of pollination?
26.
Product of triple fusion is
27.
Pollination is best defined as transfer of pollen grains from
28.
Antipodal cells are usually
29.
The embryo sac wall is derived from
30.
The number of nuclei after first mitotic division of functional megaspore is
31.
Physical separation of anther and stigma is
32.
The antipodal cells function mainly in
33.
Transfer of pollen between two flowers of different plants of same species is
34.
The central cell becomes highly vacuolated to
35.
Which feature is NOT associated with wind pollination?
36.
After second mitotic division, the embryo sac contains
37.
The secondary nucleus is
38.
Fusion of polar nuclei occurs
39.
Which of the following is genetically similar to autogamy?
40.
Which is a reward for pollinators?
41.
Hydrophily occurs mostly in
42.
The two nuclei present in central cell are called
43.
Which prevents self-pollination genetically?
44.
Bat pollinated flowers are usually
45.
In double fertilisation, one male gamete fuses with
