SSC Geography Sample Paper NCERT Sample Paper-3

  • question_answer
    Which of the following pairs are correctly matched
    1. Primary sex ratio Sex at the time of conception
    2. Secondary sex ratio Sex at the time of birth
    3. Tertiary sex ratio Sex at the time of enumeration
    4. Imbalanced sex ratio Sex of workers

    A)  1, 2, 3 and 4    

    B)  1, 3 and 4

    C)  2 and 4

    D)  1, 2 and 3

    Correct Answer: C

    Solution :

    [c] It is generally divided into four subdivisions: Primary sex ratio - ratio at fertilization Secondary sex ratio - ratio at birth Tertiary sex ratio - ratio in sexually active organisms. Also called adult sex ratio and abbreviated to ASR. ASR is defined as the proportion of adults in a population that are male. Quaternary sex ratio-ratio in post-reproductive organisms measuring these is a problem since they lack clear boundaries.

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