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General Knowledge :: Biology

  1. Algae and fungi are collectively known as

  2. A.

     Thallophytes

    B.

     Pteridophytes

    C.

     Bryophytes

    D.

     Spermatophytes

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  3. Which of the following is true about bryophytes?

  4. A.

     They are thalloid

    B.

     They contain chloroplast

    C.

     They posses archegonia

    D.

     All of these

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  5. In birds, some of the vertebrae are fused to form

  6. A.

     Keel

    B.

     Furcula

    C.

     Syncytium

    D.

     Synsacrum

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  7. They play a central role in the making of dairy products such as butter, cheese, yogurt etc.

  8. A.

     Viruses

    B.

     Fungi

    C.

     Bacteria

    D.

     Algae

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  9. There are certain bacteria which can fix atmospheric gas named

  10. A.

     Oxygen

    B.

     Nitrogen

    C.

     Hydrogen

    D.

     Carbon dioxide

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  11. The bacterium which reduces the fertility of soil is

  12. A.

     Nitrosomonas sp

    B.

     Azotobacter sp

    C.

     Nitrobacter sp

    D.

     Bacillus dentificans

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  13. They are used in the retting of flax and hemp.

  14. A.

     Viruses

    B.

     Bacteria

    C.

     Fungi

    D.

     Mosses

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  15. Which of the following bacteria is responsible for the formation of curd?

  16. A.

     Lycopodium

    B.

     Yeast

    C.

     Lacto-bacillus

    D.

     Fungus

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  17. Yeast used in making bread is a

  18. A.

     Fungus

    B.

     Bacteria

    C.

     Seed

    D.

     Plant

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  19. Nitrogen fixation process in the soil is done by

  20. A.

     Virus

    B.

     Bacteria

    C.

     Fungi

    D.

     Protoza

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