List of top Questions asked in Indian Institute Of Technology Joint Admission Test for MSc

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

Match the following

Group I	Group II
Streptomycin	Inhibits beta-subunit of RNA polymerase
Cycloheximide	Inhibits peptidyl transferase activity of 505 subunit
Rifamycin	Inhibits peptidyl transferase activity of 605 subunit
Chloramphenicol	Inhibits binding of formyl methionine tRNA to ribosome

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

Components of a Transmission Electron Microscope are

A man having a dominant genetic trait (TT genotype) can laste phenylthiocarbamide (PTC), marries a woman who cannot taste PTC. The PTC tasting ability of their biological son and daughter is

The average of all positive even integers less than or equal to 40 is___.

The bacterium that can tolerate high concentrations of salt and also ferment mannitol is

DNA gyrase can

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

A man throws a ball vertically up in the air with an initial velocity v₁ such that it reaches a height of 12 m with a speed of 12 m/s. If he throws the same ball vertically up with an initial velocity v such that it reaches a maximum height of 12 m. Calculate v₁/v₂ (up to 2 decimal places).

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 enriched media used to facilitate the growth of fastidious microorganisms are

The fossilization process in which mineral rich water penetrates through the pores of decomposed organic matter is known as___.

Given that A=\( (sin\theta cos\theta tan\theta + sin\theta cos\theta cot\theta)\), the value of A is

The net equation for aerobic glycolysis is

The number of "Barr Bodies" present in a somatic cell of a woman suffering from Turner syndrome is___.

How many GTP molecules are required for the translocation of tRNA from P site to E site during translation elongation process in bacteria?

How many pairs of autosomal chromosomes are there in normal humans?

Amongst the molecules given below, the total number of molecules that have at least one sp² hybridized atom is___.
\(C_6H_6, NO_2, BF_3, H_2O_2,SO_2,C_2H_2, L\) -Tryptophan

The osmotic potential (Ψ) of pure water is___ MPa.

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

The potential difference to accelerate an electron was quadrupled. By what factor does the de Broglie wavelength of the electron beam change?

The smallest positive (non-zero) integer "n" for which the expression \((\frac{1+i}{1-i})^n\) = 1 holds true, is ___.

The stationary phase of cation-exchange chromatography can be

In a denaturing polyacrylamide gel electrophoresis experiment, pure intact adult human hemoglobin will yield (number) bands.