List of top Biology Questions

The edible dry fruit 'Chilgoza' is
The pigment phycoerythrin is characteristic of
Which of the following is known as `resurrection plant??
Selaginella leaf possesses an adaxial out growth proximally
In gymnosperms how many male gametes are produced by each pollen grain ?
Fucoxanthin is present in
A typical gymnospermous plant has 8 chromosomes in leaf cells. What will be number of chromosomes in the cells of the gametophyte ?
During fertilization in ferns, male gamete reaches the female gamete through the agency of
Algae which form motile colony is
Pteridophytes are also called
Which pteridophyte is called horse-tail ?
Having capacity of absorbing water, used to replace cotton and used as fuel
To which of the groups would you assign plant lacks ovules and reproduces by means of spores ?
The integument of Cycas ovule is hard on account of
Gibberellic acid induces flowering:
Radish is a modified root and an example of:
Sertoli cells are found in
Reflex action is controlled by
Haemodialysis helps in patient having:
'Heart of heart' is:
Amia belongs to family
Transfusion tissue is found in:
The Triticale is an intergeneric hybrid between:
Somatic hybrids are produced by:
Somaclonal variation appears in