Biology MCQs

1. Digestion is not a function of which of the following ?
[A] Biotin
[B] Pepsin
[C] Renin
[D] None of the above

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2. Which among the below is not a food plant?
[A] Allium cepa
[B] Allium sativum
[C] Asparagus officinalis
[D] Atropa belladona

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3. From which part, Coconut coir is obtained?
[A] Epicarp
[B] Mesocarp
[C] Endocarp
[D] Seed

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4. Which among the following correctly refers to Ischemia?
[A] restriction in blood supply due to factors in the blood vessels
[B] Abrupt fall in the blood Pressure
[C] necrosis in a blood vessel due to a local lack of oxygen
[D] condition of severely deficient supply of oxygen to the body

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5. From the point of view of evolution of living organisms, which of the following set of animals is a correct sequence of evolution?
[A] Whale, Kangaroo, Echidna
[B] Echidna, Whale, Kangaroo
[C] Kangaroo, Whale, Echidna
[D] Echidna, Kangaroo, Whale

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6. In human body, the main target of antidiuretic hormone is ?
[A] Heart
[B] Kidney
[C] Liver
[D] Spleen

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7. In human body, the largest amount of the carbon dioxide produced by body cells is carried to the lungs as__:
[A] CO2 attached to haemoglobin in the red blood cells
[B] The bicarbonate ion attached to haemoglobin
[C] CO2 gas in solution in the plasma
[D] Bicarbonate ion dissolved in the plasma

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8. Which solution makes a cell turgid?
[A] Hypotonic solution
[B] Isotonic solution
[C] Hypertonic solution
[D] None of the above

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9. In which of the following kidney shaped guard cells are present?
[A] Dicot plants
[B] Monocot plants
[C] Grasses
[D] Algae

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10. Dehydration in human body is caused due to the deficiency of which of the following?
[A] Water
[B] Hormones
[C] Vitamin
[D] Salt

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