Biology MCQs

11. Which of the following functions is performed by the kidneys in the human body?
[A] Transportation
[B] Excretion
[C] Respiration
[D] Digestion

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12. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?
[A] Aschelminthes
[B] Coelenterata
[C] Arthropoda
[D] Annelida

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13. Which among the following is more required by the Growing children?
[A] Proteins
[B] Carbohydrates
[C] Vitamins
[D] All of these

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14. Sex of a child is determined by which of the following? (UPSC Prelims 1984)
[A] Chromosomes of father
[B] Chromosomes of mother
[C] Rh factor of parents
[D] None of these

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15. A person with ‘AB’ blood group is sometimes called a universal recipient because of the? (UPSC Prelims 1995)
[A] lack of antigen in his blood
[B] lack of antibodies in his blood
[C] lack of both antigens and antibodies in his blood
[D] presence of antibodies in his blood

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16. Empedocles is related to which of the following theory of biology?
[A] theory of cell
[B] theory of natural selection
[C] theory of mutation
[D] theory of disease

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17. Which of the following is the largest group of the plant kingdom?
[A] Thallophyta
[B] Bryophyta
[C] Pteridophyta
[D] Euglena

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18. In what form do fungi store food?
[A] Lipid
[B] Starch
[C] Oil and glycogen
[D] Protein

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19. Why lysosomes are called suicidal bags?
[A] because it contains digestive enzymes
[B] because it contains endoplasmic reticulum
[C] because it contains Phospholipids
[D] None of these

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20. Which of the following is a group of plants that has the largest ovule, the largest gamete and the largest tree?
[A] Angiosperms
[B] Gymnosperms
[C] Pteridophytes
[D] Bryophytes

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