List of top Biology Questions asked in AIIMS

One of the following is a connecting link between protozoans and poriferans

Life span of parrot is

Kingdom Animalia is characterised by

Embryo sac is

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.

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.

In which of the following groups are seeds present?

Pappus helps in dispersal of pollen in

Ergotamine tartarate extracted from Claviceps, is used for cure of

What type of sorus is present in Nephrolepis?

One of these protozoans is threat to apiculture and sericulture

The animal group which does not exist in Galapagos island is

After glycolysis, fate of glucose in mitochondrial matrix is

Photosynthetic bacteria have

Diatoms do not decay easily because

Protists obtain their food as

All pathogens are parasites but all parasites are not pathogens. Majority of the parasites confer benefits to the host.

Bile is essential for the digestion of lipids. Bile juice contains enzymes bilirubin and biliverdin.

Gametophyte and sporophyte are independent of each other in which of the following groups?

Occurrence of endemic species in South America and Australia is due to