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Biology - section - 2
  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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  2. Potato is a modified form (outgrowth) of:

    3. A.

     root
    B.

     stem
    C.

     fruit
    D.

     leaf

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

    4. A.

     Order
    B.

     Subspecies
    C.

     Class
    D.

     Genus

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

    5. A.

     lymphocytes
    B.

     erythrocytes
    C.

     monocytes
    D.

     blood platelets

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  5. Myopia is connected with

    6. A.

     ears
    B.

     eyes
    C.

     lungs
    D.

     None of these

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

    7. A.

     anthocyanin
    B.

     carotene
    C.

     chlorophyll
    D.

     xanthophylls

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  7. Plants developing in dry conditions are

    8. A.

     xerophytes
    B.

     mesophytes
    C.

     lithophytes
    D.

     hydrophytes

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  8. Plants growing on sand are called as

    9. A.

     chasmophytes
    B.

     oxylophytes
    C.

     lithophytes
    D.

     psammophytes

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

    10. A.

     flavoxanthin
    B.

     melanin
    C.

     carotene
    D.

     Xanthophyll

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  10. Ramapithecus and Cro-Magnon man are considered

    11. A.

     ancestors of modern man
    B.

     ancestors of monkey
    C.

     ancestors of lion
    D.

     None of the above

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