1.
The mature embryo sac is best described as
2.
Triple fusion involves fusion of
3.
The two nuclei present in central cell are called
4.
Physical separation of anther and stigma is
5.
Which is a reward for pollinators?
6.
Which of the following is genetically similar to autogamy?
7.
Different timing of anther and stigma maturity is called
8.
Double fertilisation is a characteristic feature of
9.
Synergids possess a specialised structure called
10.
The egg apparatus is formed at
11.
The number of nuclei after first mitotic division of functional megaspore is
12.
Pollination is best defined as transfer of pollen grains from
13.
Which pollination type brings genetic variation?
14.
Cellularisation of embryo sac occurs after
15.
After second mitotic division, the embryo sac contains
16.
Cleistogamous flowers ensure
17.
Hydrophily occurs mostly in
18.
The embryo sac shown in Fig. 1.8 belongs to which type?
19.
Which prevents self-pollination genetically?
20.
Antipodal cells are usually
21.
The final nuclear number before cellular organisation is
22.
Vallisneria shows which type of pollination?
23.
The functional megaspore develops from
24.
Bee pollination is called
25.
Entomophilous flowers usually possess
26.
Transfer of pollen between two flowers of different plants of same species is
27.
The female gametophyte completes development
28.
Which feature is NOT associated with wind pollination?
29.
The secondary nucleus is
30.
In double fertilisation, one male gamete fuses with
31.
In Polygonum type, megaspore degeneration occurs at
32.
Anemophilous flowers usually have
33.
Self-incompatibility is controlled by
34.
Fusion of polar nuclei occurs
35.
Chasmogamous flowers are adapted mainly for
36.
The egg cell nucleus is
37.
The chalazal end is characterised by presence of
38.
The antipodal cells function mainly in
39.
Product of syngamy is
40.
The central cell becomes highly vacuolated to
42.
Product of triple fusion is
43.
The embryo sac wall is derived from
44.
Autogamy requires which condition compulsorily?
45.
Bat pollinated flowers are usually
