List of top Questions asked in IIT JAM BT- 2022

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

Transfer of plasmids into animal cells can be achieved 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

Identify the correct pairs:
(i) Thermophile            (a) grows optimal at 37 °C
(ii) Mesophile                 (b) grows optimal at low temperature
(iii) Psychrophile             (c) grows optimal at high saline conditions
(iv) Halophile                  (d) grows optimal at 67 °C

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