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  9. Q2

PPSC PCS 2020 · Question 2 of 95

Which of the following statements are correct? 1. The DNA Technology (Use and Application) Regulation Bill, 2019 provides for the regulation of use of DNA technology for establishing the identity of certain persons. 2. DNA is made up of 26 pairs of chromosomes and provides instructions for building an entire organism and proteins. 3. DNA is composed of two chains, which coil around each other to form a double helix carrying the genetic instructions used in the growth. 4. Under the Bill, DNA profiling is allowed only in respect of criminal matters. Select the correct answer using the code given below:

Science & Tech

  1. AOnly 1 and 2
  2. BOnly 2 and 3
  3. COnly 1 and 3Correct
  4. D1,2, 3 and 4

Answer: C. Only 1 and 3

Explanation

Statements 1 and 3 are correct: the 2019 Bill regulates DNA technology for identification, and DNA is a double helix; humans have 23 (not 26) chromosome pairs and the Bill covers civil as well as criminal matters.

Source: https://cdn.mindspritesolutions.com/examrace/SPSC/Punjab-PSC/Punjab-PSC-Past-Papers/Punjab-Civil-Service-2020-Official-Paper-1-Part-1.pdf

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