Plant Kingdom
Page: 9, Total questions: 176
1 of 15
They provide us food, fodder, ______ ______ & several other commercially important products
2 of 15
They are divided into two groups. ______ & ______
3 of 15
The dicotyledons are characterised by seed having ______ ., reticulate venation in leaves & tetramerous or pentamerous .
4 of 15
The monocotyledons are characterised by single cotyledons seeds, ______ in leaves & trimerous flower.
5 of 15
The male sex organ in a flower is ______ . Each stamen consist of a slender filament with an ______ at the tip
6 of 15
Within anther, pollen mother cells divide by ______ . to produce microspore which mature into pollen grains .
7 of 15
The female sex-organ in flower is ______ . Pisti is consist of a swallon ovary at its based, a long slender style & stigma .
8 of 15
Inside the ovary, ______ are present . generally each ovules has a ______ .
9 of 15
Three of them degenerate & one divide to form the ______
10 of 15
Each embryo sac has a three-celled ______, one ______ & two ______, three ______ & two polar nuclei .
11 of 15
Pollen grains after dispersal from anthers are carried by ______ or various other agencies to stigma or pistils .this term as pollination
12 of 15
The pollen grains germinate on stigma & style & the resulting pollen tube grow through the ______ & style & reach the ovules
13 of 15
The development of pollen grains takes place within ______ .
14 of 15
The male or female cones may be borne on same tree ( ______ ), or on different tree ( ______ ).
15 of 15
The nucleus is protected by envelopes & the composite structure is called an ______ .