List of top Questions asked in GAT-B- 2023

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Morgan observed that the Drosophila genes for yellow body and white eye showed 1.3 percent recombination frequency.
Reason (R): Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes.
In the light of the above statements, choose the most appropriate answer from the options given below:
Which is the site of attachment of spindle fibres to chromosomes during metaphase of mitosis?
Match List - I with List - II.
Choose the most appropriate match from the options given below:
Consider the two compounds given below. Which of the following best describes the relationship between them?
Identify A in the following reaction:
What is Totipotency?
Match List - I with List - II.
Choose the correct answer from the options given below:
The conversion of FAD to FADH$_2$ is a
You are supplied with a pain-relieving drug (MW 300) formulation at 5 mg/ml. A patient with a plasma volume of 2.5 L needs an initial dose of 20 $\mu$M for immediate relief. How much solution do you need to inject to the patient?
Calculate the molality of 3.0 g acetic acid in 100 g of benzene.
The reactive functional group in coenzyme Q is
Which of the following is not isoelectronic with $Na^+$?
In areas with low air pollution, rain water generally has a pH of $\sim$5–6 because of
What will be the order of acidity of the following acids, starting with the highest?
(I) p-methoxy benzoic acid
(II) benzoic acid
(III) p-nitro benzoic acid
The deficiency of which vitamin in the body causes Pernicious Anaemia?
Which of the following alloys do NOT have copper as one of the constituent metal?
Which of the following is a component of smoke screens?
Match List - I with List - II.
Choose the most appropriate match from the options given below:
The reaction between sodium hydroxide and ester of fatty acid is
To obtain p-type Si semiconductor, we need to dope pure Si with
Blister copper is given its name because of the evolution of
Which of the following are not electromagnetic waves?
The gravitational force exerted by earth on a particle as it travels from the earth’s surface towards the core
The S.I. unit of Luminous Intensity.
Half-life $(T_{1/2})$ of a radioisotope is related to decay constant $(\lambda)$: