Biology MCQs

11. Which one of the following is secreted by Pancreas and regulates the amount of sugar in the body? (UPSC Prelims 1980).
[A] Renin
[B] Creatin
[C] Vitamin
[D] Insulin

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12. The introduction of Pre-natal Diagnostic Techniques Bill in Parliament was prompted by the increasing incidence of? (UPSC Prelims 1992)
[A] Female foeticide
[B] Failure of contraceptive devices
[C] Spurious drugs being used for prenatal immunisation
[D] Unqualified persons diagnosing pregnancy in villages by primitive methods

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13. Deficiency in which among the following leads to goitre?
[A] Iodine
[B] Calcium
[C] Phosporous
[D] Zinc

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14. Which part of the human body is affected by Alziemer’s disease?
[A] Brain
[B] Lungs
[C] Heart
[D] Kidneys

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15. Protein is made up of which of the following?
[A] Sugar
[B] Amino acid

[C] Carbohydrate
[D] Fatty acid

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16. Cycas, pinus, Thuja, Cedrus, Abies, Larix are some of the examples of __?
[A] gymnosperms
[B] Phaeophytes
[C] Bryophytes
[D] None of these

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17. Which of the following are the roots of gymnosperms?
[A] Tap root
[B] Adventitious roots
[C] Rhizoid
[D] Rhizophores

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18. What is the arrangement of megaspores in tetrads in gymnosperms?
[A] Decussate
[B] Tetrahedral
[C] Linear
[D] Isobilateral

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19. What is the arrangement of ovules inside the ovary called?
[A] Aestivation
[B] Placentation
[C] Hibernation
[D] Fragmentation

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20. Which plant tissue has the ability to grow rapidly by division?
[A] Meristematic tissue
[B] Permanent tissues
[C] Complex Permanent Tissue
[D] Protective tissues

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