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CSIR NET Weekend Booster Quiz 2024 | Life Science | 5 May

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Question 1

The second division of Meiosis is Meiosis II. Which step of meiosis is responsible for ensuring that each division's daughter cell obtains just one sister chromatid rather than two?

Question 2

An experiment was conducted in E. coli to map the following genes (pro, his, bio, met, phe and trp) on a circular map using three different Hfr strains:

* Strain 1, order of transfer (early to late) : trp met his pro

* Strain 2, order of transfer (early to late) : his met trp bio

* Strain 3. order of transfer (early to ,late) : pro phe bio trp

Based on the results, what is the most likely map?

Question 3

Tube feet are found in

Question 4

Transgenic mouse can be produced by the transfection of ES cells derived from ICM of blastocyst. In an experiment the transgene is injected into the male pronucleus just after the fertilization. The surviving eggs were implanted into a host mouse, the pups obtained were not completely transgenic. What could be the possible reason .

Question 5

Which of the following is Michaelis–Menten equation?

Question 6

Phylogenetic trees and analyses of ancestry serve to differentiate species according to which concept?

Question 7

A normal couple has 5 children (2 daughters and 3 sons). Two sons suffer from a hereditary disorder but none of the daughters is affected. What is type of inheritance is depicted?

Question 8

Which of the following is not a heterotropic allosteric modulator of hemoglobin?

Question 9

Which of the following is INCORRECT in regard to the mobility of lipid molecules in a lipid by bilayer?

Question 10

Which of the following is NOT a mechanism for species coexistence?
  • 150 attempts