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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


  3. Potato is a modified form (outgrowth) of:

  4. A.

     root

    B.

     stem

    C.

     fruit

    D.

     leaf


  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


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

  8. A.

     lymphocytes

    B.

     erythrocytes

    C.

     monocytes

    D.

     blood platelets


  9. Myopia is connected with

  10. A.

     ears

    B.

     eyes

    C.

     lungs

    D.

     None of these


  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


  13. Plants developing in dry conditions are

  14. A.

     xerophytes

    B.

     mesophytes

    C.

     lithophytes

    D.

     hydrophytes


  15. Plants growing on sand are called as

  16. A.

     chasmophytes

    B.

     oxylophytes

    C.

     lithophytes

    D.

     psammophytes


  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


  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