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UPSC Science & Technology PYQs 2014 | Vaidra | Vaidra
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Science & Technology UPSC PYQ 2014

39 questions from the UPSC 2014 examination. Showing a preview of 3 below — generate a full practice test to solve the rest.

3 questions

1Mediumprelims2 marks
Biotechnology & Genetics
Which of the following statements is/are correct regarding vegetative propagation of plants?
1. Vegetative propagation produces clonal population.
2. Vegetative propagation helps in eliminating the virus.
3. Vegetative propagation can be practiced most of the year.
Select the correct answer using the code given below.
A1 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
2Medium2 marks
Which of the following is/are the example/examples of chemical change?1. Crystallization of sodium chloride2. Melting of ice3. Souring of milkSelect the correct answer using the code given below.
A1 and 2 only
B3 only
C1, 2 and 3
DNone
3Medium1 mark
Which of the following is/are the example/examples of chemical change? Crystallisation of sodium chloride Melting of ice Souring of milk Select the correct answer using the code given below.
A1 and 2 only
B3 only
C1, 2 and 3
DNone

36 more Science & Technology 2014 questions await

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Science & Technology — All Years|All Subjects