List of top Biology Questions

The problem of necrosis and gradual senescence while performing tissue culture can be overcome by

Nitrogenous waste products are eliminated mainly as

RA - Right Auricle RV - Right Ventricle LA - Left Auricle LV - Left Ventricle In the below given diagram which blood vessel represents vena cava ?

Rauwolfia - serpentina belongs to..........family.

Manas sanctuary is located at

Mature ovum in human beings is surrounded by

Duodenum has characteristic Brunners glands which secrete two hormones called

Part of bile juice useful in digestion is

Number of chlorophyll molecules present in a quantasome is

IN C planes, chloroplasts of bundle sheath cells lack

Direct gain of ATP during glycolysis is

Male gametes in angiosperms are formed by the division of

Which is cold blood animal with single circulation ?

Lysozyme that is present in perspiration, saliva and tears, destroys

According to fossils discovered upto present time, origin and evolution of man was started from which country?

In which era reptiles were dominated?

A plant requires magnesium for

Corpus luteum releases

Goitre disorder is due to the deficiency of:

There is no transfer of electrons from cyt $b$ to cyt $c$ as

Versatile anthers are connected with

Ligule of grasses is found on

The wavelength of light absorbed by $Pr$ form of phytochrome is