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UPSC CAPF (AC) 2026 Paper I · Question 92

Question 92 of the UPSC CAPF (AC) 2026 Paper I (19 July 2026). Try it first, then open the answer and explanation.

  1. CAPF 2026 · P-I · Q92 · General Science · Biology

    Which of the following is/are the basic step(s) in genetically modifying an organism? 1. Identification of DNA with desirable genes 2. Introduction of the identified DNA into the host 3. Maintenance of introduced DNA in the host and transfer of the DNA to its progeny Select the correct answer using the code given below.

    1. 1 only
    2. 1, 2 and 3
    3. 2 and 3 only
    4. 3 only

    आनुवंशिक रूप से किसी जीव को रूपांतरित करने के लिए निम्नलिखित में से कौन-सा/कौन-से मूलभूत चरण है/हैं? 1. वांछित जीन-युक्त DNA की पहचान 2. चिह्नित DNA का परपोषी में स्थानांतरण (introduction) 3. स्थानांतरित (introduced) DNA को परपोषी में सुरक्षित रखना तथा उसकी संतति में DNA का स्थानांतरण करना नीचे दिए गए कूट का प्रयोग कर सही उत्तर चुनिए।

    1. केवल 1
    2. 1, 2 और 3
    3. केवल 2 और 3
    4. केवल 3
    Show answer

    Answer: (2) 1, 2 and 3

    उत्तर: (2) 1, 2 और 3

    NCERT lists exactly these three basic steps in genetically modifying an organism: identifying DNA with desirable genes, introducing it into the host, and maintaining the introduced DNA in the host so that it is passed on to the progeny. All three are needed, so the answer is 1, 2 and 3.

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