1.
Bee pollination is called
2.
Double fertilisation is a characteristic feature of
3.
After second mitotic division, the embryo sac contains
4.
Which prevents self-pollination genetically?
5.
The two nuclei present in central cell are called
7.
Product of triple fusion is
8.
Entomophilous flowers usually possess
9.
Which pollination type brings genetic variation?
10.
The mature embryo sac is best described as
11.
Cellularisation of embryo sac occurs after
12.
Chasmogamous flowers are adapted mainly for
13.
Different timing of anther and stigma maturity is called
14.
In Polygonum type, megaspore degeneration occurs at
15.
The embryo sac shown in Fig. 1.8 belongs to which type?
16.
The female gametophyte completes development
17.
Pollination is best defined as transfer of pollen grains from
18.
The egg cell nucleus is
19.
The number of nuclei after first mitotic division of functional megaspore is
20.
Triple fusion involves fusion of
21.
Cleistogamous flowers ensure
22.
The embryo sac wall is derived from
23.
Which of the following is genetically similar to autogamy?
24.
Which feature is NOT associated with wind pollination?
25.
The secondary nucleus is
26.
Fusion of polar nuclei occurs
27.
Hydrophily occurs mostly in
28.
The antipodal cells function mainly in
29.
Self-incompatibility is controlled by
30.
Physical separation of anther and stigma is
31.
The final nuclear number before cellular organisation is
32.
Transfer of pollen between two flowers of different plants of same species is
33.
The egg apparatus is formed at
34.
Bat pollinated flowers are usually
35.
Vallisneria shows which type of pollination?
37.
The chalazal end is characterised by presence of
38.
In double fertilisation, one male gamete fuses with
39.
The functional megaspore develops from
40.
Antipodal cells are usually
41.
The central cell becomes highly vacuolated to
42.
Anemophilous flowers usually have
43.
Autogamy requires which condition compulsorily?
44.
Synergids possess a specialised structure called
45.
Which is a reward for pollinators?
