CSIR JRF NET Life Sciences June 2018 Model Question Paper (Mock Test 13)


Life Sciences Net June 2018 Paper


NET Life Sciences Old Papers NET Life Sciences Mock Test


Welcome to NET Life Sciences (CSIR Mock Test 13)

This Mock Test consists of 15 questions in MCQ format. At the end of the mock test, you have to click on the 'SUBMIT' button to see your Score and the Correct Answers

Please click on the 'NEXT' button to Start the Mock Test...

1.

Extensive phyletic diversification of animals was observed in

2.

The first cell to be differentiated in the developing embryo is:

3.

Which of the following vaccine does not provide lifetime protection?

4.

In habitat ‘A’ pike cichlid fishes preferentially feeds on large adult guppies, so the guppies mature later and are of small size while in habitat ‘B’ killer fish feeds on small, juvenile guppies so here guppies mature early and are large sized. What will be the effect, if experimentally guppies for habitat ‘A’ are transferred to habitat ‘B’.

5.

The type of sieve tube plastids in the order Caryophyllales is:

6.

The efficiency of ATP synthesis is 40 % and enthalpy of the reaction ADP+iP ⇋ ATP is 8 K cal. If an individual consumes 2000 K cal, then the net ATP production from it would be

7.

Natural selection against extreme phenotype is termed as

8.

Temperature sensitive mutation are important in molecular biology because it helps in studying

9.

In the ecosystem, the concept of entropy is used to explain:

10.

Which one of the following statement is NOT true for the edge effect of two ecosystems?

11.

The special roots termed pneumatophores are present in:

12.

The rate of reaction for the first-order reaction for a radioisotope is 6.93 X 10-2 sec-1. What is the half-life of the radioisotope?

13.

Morphologically similar species on interbreeding produced viable fertile offspring. They are considered as single species according to:

14.

Chlorinated hydrocarbons effects ecosystem by

15.

Pearl oysters are obtained from the genus


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