List of top Biology Questions asked in AIIMS

Barr body is missing in the female suffering from

The nymph of a cockroach undergoes moulting several times. There is gradual metamorphosis in cockroach.

Parturition is induced by neural signal in maternal pituitary. At the end of gestation period, the maternal pituitary releases prolactin which causes uterine contractions.

Apomixis is

What is true of urea biosynthesis?

Choose the correct statement.

If a biochemical analysis of mitochondria has to be done, the best procedure would be

Which of the following statement is true?

Pollination in Rafflesia is occurred by

Pith cavity occurs in the stem of

The small projections present on the surface of pineapple fruit represent

Which one of the following is referred as 'living fossils'?

A colour blind man marry with a daughter of colour blind father, the generation will be

Select the animal that exhibits retrogressive metamorphosis.

Identify the given figure and select the correct option for $A$, $B$ and $C$.

HCl converts pepsinogen into active enzyme pepsin. Pepsin converts protein into proteoses and peptones.

Given is the diagrammatic representation of the sectional view of cochlea. Select the correct option regarding it.

Which of the given genera is homosporous?

Somaclones are prepared by

Saheli, is an oral contraceptive pill that has very high contraceptive value with little side effects. It is because

Osmosis is a type of

Match column I with column II and select the correct option from the given codes.

Censar mechanism of seed dispersal is found in

The enlarged Q and R waves indicate myocardial infarction. The QRS complex represents ventricular repolarisation.

Which of the following is not a characteristic of $pBR322$ vector?