Biology MCQs

11. The young chicks come out of eggs within how many days after being hatched by the hen? (UPSC Prelims 1979).
[A] One week
[B] Two weeks
[C] Three weeks
[D] Four weeks

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12. Which of the following is the ready source of energy available for athletes? (UPSC Prelims 1982)
[A] Vitamins
[B] Fats
[C] Proteins
[D] Carbohydrates

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13. Consider the following statements:

  1. Tapeworm is a hermaphrodite.
  2. Round-worm has separate sexes.
  3. Filaria is caused by a nematode.
  4. Guinea-worm is an annelid.

Which of these are correct? (UPSC Prelims 2001)

[A] Only 1 and 2
[B] 1, 2 and 3
[C] 3 and 4
[D] 2, 3 and 4

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14. Seed germination takes place in which of the following layers of soil profile?
[A] Organic layer
[B] Surface/A layer
[C] B layer
[D] C layer

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15. Which among the following blood groups is referred as the universal donor blood group?
[A] O -ve
[B] O +ve
[C] AB -ve
[D] AB +ve

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16. Which tissue of plant is used to transport food to various parts?
[A] Xylem
[B] Parenchyma
[C] Sclerenchyma
[D] Phloem

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17. What is another name for cyanobacteria?
[A] Blue-green algae
[B] Protists
[C] Golden algae
[D] Slime moulds

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18. In which part of the body cholesterol is synthesized?
[A] Pancreas
[B] Liver
[C] Spleen
[D] Stomach

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19. Which of the following can be done in the cultivation of plant viruses?
[A] tissue culture
[B] cultures of separated cells
[C] whole plants
[D] all of these

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20. What is an evolutionary important character of Selaginella?
[A] Strobili
[B] Rhizophore
[C] Heterosporous nature
[D] Ligule

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