General Science - Biology MCQs

These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App

41. Time required for the organism to eliminate 50% the total body burden or tissue concentration of chemical is referred as ____:

[A] Threshold limit time
[B] Residual period
[C] Half-time life
[D] Half-life period

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42. Haematopoiesis take place in ____:

[A] Lungs
[B] Liver
[C] Pancreas
[D] Bone marrow

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43. Webbed neck is a characteristic of _____:

[A] Turners syndrome
[B] Downs syndrome
[C] Klinefelters syndrome
[D] Cri-du-chat syndrome

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44. Slow-growing large coloured patches on the bark of trees are the examples of symbioticlife forms called _____:

[A] Aphids
[B] Lichens
[C] Egrets
[D] Shrimps

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45. Intercalary meristems are found in ____:

[A] Node
[B] Lateral bud
[C] Terminal bud
[D] Inter node

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46. Beak is formed by _____:

[A] Cheeks
[B] Jaws
[C] Teeth
[D] None of the above

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47. Teeth and Bones acquire strength and rigidity from _____:

[A] Calcium
[B] Fluorine
[C] Chlorine
[D] Sodium

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48. Alfalfa is the name of a kind of _____:

[A] Forest
[B] Crop
[C] Grass
[D] None of the above

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49. Compounds that are needed for enzymes to function properly are
_____:

[A] Steroids
[B] Vitamins
[C] Heavy metals
[D] Buffers

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50. Which of the following is true for photoperiodic?

[A] It occurs only in plants
[B] It is related to flowering in plants
[C] It is related to feathers of animals
[D] It is the reaction of organisms to the length of day or night

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