List of top Questions asked in IIT JAM BT

In a honey bee population, the workers are infertile but protect the queen from intruders and help in reproduction. This is an example of

For an enzyme following Michaelis-Menten kinetics, when \([S]=K_M\) then, the velocity v is 
([S] is substrate concentration, \(K_M\) is Michaelis constant, \(V_{max}\) is maximal velocity)

The net equation for aerobic glycolysis is

In the electron transport chain, flavin mononucleotide (FMN) can adopt___ as the highest oxidation state and is capable of accepting or donating___. electrons, respectively.

In bacteria, the a fuctor that plays a major role in transcription during the stationary phase is

A rise in cytosolic calcium ion concentration just after fertilization in a sea urchin egg leads to

In a nephron,___ follows the ascending limb of the "loop of Henle".

Transpirational pull that extends down to the roots in plants can be interrupted by

Archaeal cell membranes contain lipids that are

Which of the following are producers in an ecological system?

Which of the following acts as wound hormones in plants?

The enriched media used to facilitate the growth of fastidious microorganisms are

Match the bacterial structure to function

(i)	Cell wall	(a)	Virulence factor
(ii)	Glycocalyx	(b)	Selective permeability
		(c)	Attachment to surfaces
		(d)	Protection from osmotic lysis

A single copy of an allele in sickle-cell heterozygous individuals reduces the frequency and severity of malaria. The reason for this is

The correct statement/s for bimolecular nucleophilic substitution reactions is/are