List of top Biology Questions asked in AIIMS

Na/K pump is associated with

In aerobic respiration, total number of ATP molecules formed from 1 glucose molecule is

Deuteromycetes are known as fungi imperfecti because

Beads on string like structures of A are seen in B, which further condense to form chromosomes in C stage of cell division. $\quad$$\quad$ $\quad$A$\quad$ $\quad$$\quad$$\quad$ B$\quad$$\quad$$\quad$ C

In a terrestrial ecosystem, detritus food chain is the major conduit for energy flow. Solar energy is the direct source for energy supply in a detritus food chain.

Histones are basic protein of major importance in packaging of eukaryotic $DNA. DNA$ and histone comprise chromatine forming bulk of eukaryotic chromosome. Histones are five major types $H_{l},\, H_{2}A,\, H_{2}B,\, H_{3}\, and\, H_{4}$.

AIDS is caused by the HIV, a retrovirus. Retroviruses have RNA genome.

Apiculture is associated with which of the following groups of plants?

Which of the following induces parturition?

The source of taq polymerase used in PCR is a

Stomatal opening is affected by

Abscisic acid is known as the stress hormone because it

Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids. Photolysis of water takes place in inner membrane of thylakoid.

In angiosperms, transport of food and water is more efficient than gymnosperms and pteridophytes. In angiosperms longitudinally arranged sieve elements and vessels with perforated end walls are present.

Inflorescence of Liliaceae is

Satellite of chromosome is

Feathery stigma belongs to

Which of the following is correct ?

What is the source of Eco R I?

What is the characteristic of tapetum ?

Translocase is an enzyme required for

The normal type of embryo sac is $8$-nucleated and

The chordate features shared by the non-chordates are

Tendon and ligament are example of

Sickle cell anaemia is example of