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General Knowledge :: Biology

  1. out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

  2. A.
    Lipids are maximum
    B.
    Carbohydrates are minimum
    C.
    Carbohydrates are maximum
    D.
    All three are in equal proportion

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  3. Potato is a modified form (outgrowth) of

  4. A.
    root
    B.
    stem
    C.
    fruit
    D.
    leaf

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  5. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?

  6. A.
    Order
    B.
    Subspecies
    C.
    Class
    D.
    Genus

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  7. Prothrombin which helps in clotting of blood is released by

  8. A.
    lymphocytes
    B.
    erythrocytes
    C.
    monocytes
    D.
    blood platelets

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  9. Myopia is connected with

  10. A.
    ears
    B.
    eyes
    C.
    lungs
    D.
    None of these

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  11. Most of the red, blue and purple colours of plants are due to a pigment called

  12. A.
    anthocyanin
    B.
    carotene
    C.
    chlorophyll
    D.
    xanthophylls

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  13. Plants developing in dry conditions are

  14. A.
    xerophytes
    B.
    mesophytes
    C.
    lithophytes
    D.
    hydrophytes

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  15. Plants growing on sand are called as

  16. A.
    chasmophytes
    B.
    oxylophytes
    C.
    lithophytes
    D.
    psammophytes

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  17. Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

  18. A.
    flavoxanthin
    B.
    melanin
    C.
    carotene
    D.
    Xanthophyll

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  19. Ramapithecus and Cro-Magnon man are considered

  20. A.
    ancestors of modern man
    B.
    ancestors of monkey
    C.
    ancestors of lion
    D.
    None of the above

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