1.
Transfer of pollen between two flowers of different plants of same species is
2.
The secondary nucleus is
4.
Which of the following is genetically similar to autogamy?
5.
The central cell becomes highly vacuolated to
6.
The final nuclear number before cellular organisation is
7.
Which is a reward for pollinators?
8.
Bat pollinated flowers are usually
9.
After second mitotic division, the embryo sac contains
10.
Cleistogamous flowers ensure
11.
The embryo sac wall is derived from
12.
In double fertilisation, one male gamete fuses with
13.
Cellularisation of embryo sac occurs after
14.
Product of triple fusion is
15.
The egg cell nucleus is
16.
The number of nuclei after first mitotic division of functional megaspore is
17.
Which prevents self-pollination genetically?
18.
Which pollination type brings genetic variation?
19.
Autogamy requires which condition compulsorily?
20.
The egg apparatus is formed at
21.
Fusion of polar nuclei occurs
22.
The functional megaspore develops from
23.
The two nuclei present in central cell are called
24.
Bee pollination is called
25.
The mature embryo sac is best described as
26.
Triple fusion involves fusion of
27.
Pollination is best defined as transfer of pollen grains from
28.
Which feature is NOT associated with wind pollination?
29.
The female gametophyte completes development
30.
In Polygonum type, megaspore degeneration occurs at
31.
Vallisneria shows which type of pollination?
32.
The embryo sac shown in Fig. 1.8 belongs to which type?
34.
Different timing of anther and stigma maturity is called
35.
Chasmogamous flowers are adapted mainly for
36.
Double fertilisation is a characteristic feature of
37.
Entomophilous flowers usually possess
38.
Self-incompatibility is controlled by
39.
The chalazal end is characterised by presence of
40.
Synergids possess a specialised structure called
41.
The antipodal cells function mainly in
42.
Hydrophily occurs mostly in
43.
Antipodal cells are usually
44.
Physical separation of anther and stigma is
45.
Anemophilous flowers usually have
