List of top General Biology Questions asked in GATE BT

A 2 L bioreactor is being operated as a chemostat, at a flow rate of 0.8 L/h and sterile feed of 10 g/L substrate. The bacterial growth follows Monod kinetics at a maximum specific growth rate of 0.6 h\(^{-1}\) with a Monod constant of 0.5 g/L and a biomass yield coefficient of 0.4 g/g. The exit biomass concentration is _________ g/L. (Round off to one decimal place)

Which of the following amino acids contain(s) two chiral carbons?
Which of the following proteins is/are involved in intraflagellar transport?

Correctly match the type of Hypersensitivity reaction with its respective Example. 


 

The contour length of a B-DNA molecule that encodes a bacterial protein of 33 kDa is ________ nm. Consider the average molecular weight of an amino acid as 110 Da and helix rise per base pair for B-DNA as 0.34 nm.
If the doubling time of a bacterial population is 3 hours, then its average specific growth rate during this period is ________ h\(^{-1}\). (Round off to two decimal places)

Correctly match the following Monosaccharides with their respective Epimers. 


 

The diversity in T-cell receptors is generated by:
The minimum value of the function \[ f(x) = x + \frac{4}{x} \quad {for} \quad x>0 { is:} \]
Koch’s postulate was established by Robert Koch while working on a disease caused by
Let \( y(t) \) be a bacterial population whose growth is given by \[ \frac{dy}{dt} = \lambda (y + 2) \] where \( \lambda \) is the growth rate constant. If \( y(0) = 1 \) and \( y(1) = 4 \), then the value of \( \lambda \) is
Corynebacterium diphtheriae causes diphtheria in humans, only when this bacterium is infected by
Which of the following statements is/are correct about an uncompetitive inhibitor of an enzyme?
Which of the following conditions induce(s) the expression of B-galactosidase gene in the lac operon?
2-mercaptoethanol breaks the___ covalent bond between light and heavy chains of an immunoglobulin molecule. covalent bond between light and heavy
The relationship that involves the exchange of nutrients between two different species for their mutual growth is called___
Which one of the following bacteriophages has a genome composed of single stranded circular DNA?
Which one of the following is an insect cell line?