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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 of 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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