NextMockપરીક્ષાઓ શોધો, દા.ત. SSC CGL, UPPSC, Lekhpal
UPSC PYQPrelims 2022

Civil Services Examination · પ્રશ્ન 99

Consider the following statements: DNA Barcoding can be a tool to: 1. assess the age of a plant or animal. 2. distinguish among species that look alike. 3. identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct?

  1. 1 only
  2. 3 only
  3. 1 and 2
  4. 2 and 3
જવાબ બતાવો અને સમજૂતી

જવાબ: (D) 2 and 3

સમજૂતી

DNA barcoding uses short standard gene regions to identify species, detecting lookalikes and food adulteration. It cannot determine age.