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

The standard free energy change (\(\Delta G^0\)) of the binding reaction between different sweet molecules and a common sweet taste receptor are given. Which amongst these molecules is the sweetest at the same molar concentration?
The correct order of electronegativity of the given elements is
An electric circuit with a resistor of constant resistance ‘R’ is maintained at a constant voltage ‘V’. Based on Ohm’s law, if the current ‘I’ through the circuit is doubled, the power ‘P’ dissipated across the resistor is
Which of the following terrestrial biomes has the highest animal diversity?
In humans, Down syndrome is caused by
After how many cycles of polymerase chain reaction (PCR), the amplified product of required length is generated for the first time from a chromosomal DNA template?
Which one of the following hormones is produced by the adrenal gland?
The velocity of blood in a blood vessel of 2.0 cm radius is 30 cm/s. When the blood vessel bifurcates into 2 smaller vessels of radius 1.0 cm each, the velocity of blood in each of the smaller vessels is ______ cm/s. Assume vessel walls are rigid, and blood is incompressible.

In the circuit shown below, the power dissipated across the 3$\Omega$ resistor is ______ W. 

The number of chiral carbons in strychnine is ______. 

Oleic acid, shown below, is 

Match the cell junctions listed in Group A with their correct functions listed in Group B: 

Which one of the following represents the motion of an object with a positive acceleration? 

 

Which one of the following isomers is thermodynamically most stable? 

 

Which one of the following is the major product of the hydrogenation reaction given below? 

 

The following methylation is carried out in various solvents such as benzene, tetrahydrofuran (THF), dimethoxyethane (DME), dimethyl sulfoxide (DMSO) and N,N-dimethylformamide (DMF). Which one of the following is TRUE for the effect of solvent on the reaction rate? 

IUPAC name of the following molecule is 

Ethylbutyrate is responsible for the odor of pineapple. Which one of the following is the structure of ethyl butyrate? 

 

The number of polypeptide chains in a core nucleosome is ______.
In a compound microscope, the magnification power of the objective lens is 100×, and that of the eyepiece (ocular lens) is 10×. The magnification power of the microscope is ______×.
In a population at Hardy–Weinberg equilibrium, for gene-X with two alleles, A and a, if the frequency of allele A is 0.2 and that of allele a is 0.8, the frequency of heterozygote genotype Aa in the population will be ______ (correct to 2 decimal places).
While performing a PCR, the student forgot to add one of the two primers. The number of single-stranded DNA molecules produced after 25 PCR cycles is ______.
A double helical DNA molecule is composed of 32 mol% of adenosine. The mol% of cytosine in this DNA molecule is ______.
The de Broglie wavelength of a proton moving at a speed of 1.0 m/s is ______ Å.
[Given: Planck’s constant = 6.626 × 10$^{-34}$ m$^2$kg/s; $m_p$ = 1.67 × 10$^{-27}$ kg]
The number of triplet codon(s) for methionine is _______.