List of top Biology Questions

The number of floating ribs in the human body is
The mammalian corpus luteum produces
In veins, valves are present to check backward flow of blood flowing at
The transgenic animals are those which have
Antigens are present
The sympathetic nerves, in mammals, arise from
The vitamin C or ascorbic acid prevents
The organisms attached to the substratum, generally, possess
The silkworm silk is the product of
Respiratory quotient (R.) for fatty acid is
The plant body of moss (Funaria) is
A well developed archegonium with neck consisting of 4-6 rows and neck canal cells, characterises
Anthesis is a phenomenon which refers to
Which of the following can fix atmospheric nitrogen ?
The phenomenon in which an allele of one gene supresses the activity of an allele of another gene is known as
Which of the following organisms possesses characteristics of a plant and an animal?
The function of contractile vacuole, in protozoa, is
The citric acid is produced by
Besides annelida and arthropoda, the metamerism is exhibited by
Barr body in mammals represents
The botanical name of the peepal tree is
Which one of the following pairs is correctly matched?
The homologous organs are those that show similarity in
The neurogenic heart is the characteristic feature of
In Leucosolenia, food is stored in