Pollen grains are shed at
1-celled stage
2- celled stage
2,3- celled stage
5- celled stage
Related Questions
The fertilization in which male gametes are carried through pollen tube, is known as
Syngamy
Porogamy
Siphonogamy
Chalazogamy
In angiosperms, male gametes are formed from
Antipodals
Prothallial cell
Tube cell
Generative cell
Microsporogenesis is
Formation of microspores
Formation of female gametes
Formation of tapetum
All of the above
An ovule is a
Differentiated megasporangium
Dedifferentiated megasporangium
Integumented megasporangium
Redifferentiated megasporangium
Choose the mis –matched option.
Option 1: Dog - Animal
Option 2: Rose - Flower
Option 3: Apple - Vegetable
Option 4: Car - Vehicle
A typical angiosperm embryo sac at maturity is:
7-nucleate and 7-celled
8-nucleate and 8-celled
8-nucleate and 7-celled
7-nucleate and 8-celled
Functional megaspore develops into …A… also called …B…
A and B in the above sentence is
A-Female gametophyte; B-Embryo sac
A-Embryo sac; B-Female gametophyte
A-Endosperm; B-Nucellus
A-Microsporangium; B-Megasporangium
Which of the following pollination mechanisms specifically involves the transfer of pollen between two different plants of the same species?
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
In plants, the pollination process that involves the transfer of pollen grains from the anther of one flower to the stigma of another flower on a different plant is called:
Xenogamy
Geitonogamy
Autogamy
Cleistogamy
I. Antipodal cell II. Egg cell III. Synergid cell IV. Polar nuclei V. Male gamete VI. Nucellar cell VII. Chalazal cell.Out of the seven names given above, find out haploid cells
I, II, IV, V
II, IV, VI, VII
I, II, III, V
II, IV, III, I
