List of top Biology Questions

Which one is not a neurotransmitter

Chromatids move to opposite poles during

Development of sporophyte from synergids or antipodal cells without fertilization is called

Chromosomes are composed of

Chipko movement is concerned with

Blue revolution is related with

Blood cholesterol lowering agents statins are produced by

Auxanometer is used to measure

TMV is a rod-shaped virus. It is made up of protein coat and RNA.

Sporozoites of malarial parasite enter in the human body due to biting of freshly born female Anopheles mosquito, whose mother was a carrier of malarial parasite.. Male and female gametocytes of malarial parasites are formed in the human intestine.

Sinus venosus is a thin-walled sac with little muscular tissue in primitive heart. It receives venous blood through the hepatic veins.

Now-a-days amniocentesis is banned. Amniocentesis gives the information of any abnormality in the foetus and many other complications regarding pregnancy can be detected.

DNA is present is

Blood in cockroach is colourless haemolymph with no respiratory pigment. Respiration in cockroach occurs through diffusion in haemolymph.

Algal blooms are formed in nutrientless water. Algal blooms in water turn it unfit for human consumption, but cause enormous growth of fish.

A mangrove tree growing in marshy place has pneumatophores. Pneumatophores help in better anchorage to marshy soil.

Asexual reproductive structure of Hydra is

Placoid scales are characteristic feature of the class

The medulla oblongata contains centres which control

Which cell inclusions are found in mycoplasmas, spirochaetes and rickeltsias ?

Which one of the following is the high quality pearl producing species

Analogous structures are

The generic name of Mango is

Analogous structures are a result of :

In which of the following groups are seeds present?