General Science - Biology MCQs

51. Polycythaemia is a disease related to _______?

[A] Red Blood Cells
[B] White Blood Cells
[C] Blood Serum
[D] None of the above

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52. Diabetes insipidus (DI) caused by a deficiency of arginine vasopressin (AVP), also known as antidiuretic hormone (ADH). This hormone is secreted by which endocrine gland?

[A] Thyroid Gland
[B] Pituitary Gland (Hypophysis)
[C] Pancreas
[D] Liver

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53. Sugar , Amino Acids, & Nucleotides are constituents of respectively ___________ ?

[A] Polysaccharides, Proteins. Nucleic Acids,
[B] Proteins, Carbohydrates , Fats
[C] Nucleic Acids. Proteins, Polysaccharides
[D] Polysaccharides, Nucleic Acids. Proteins,

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54. A ripe Tomato is Red, Leaves are Green, Flower is Purple, Hair is Black. Bring out the pigments responsible for these colors respectively ?

[A] Lycopene, Melanin, Chlorophyll, Anthocyanin
[B] Lycopene, Chlorophyll, Anthocyanin, Melanin
[C] Anthocyanin, Chlorophyll, Lycopene, Melanin
[D] Melanin, Anthocyanin, Chlorophyll, Lycopene

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55. Which among the following is a best definition of Triticale?

[A] A Hybrid Plant
[B] A Man made cereal
[C] A man made hybrid cereal not found in nature
[D] None of the above

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56. Which among the following plays a role in production of alcohol in bear ?

[A] Bacteria
[B] Protozoan
[C] virus
[D] Yeast

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57. Whch among the following are called scavengers of ecosystems?

[A] Bacteria
[B] Fungi & Bacteria
[C] Algae, Fungi & Bacteria
[D] None of the above

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58. Theory of natural selection was proposed by ?

[A] Mendel
[B] Darwin
[C] Lamarck
[D] Karl Landsteiner

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59. In peaches, cherries, plums, and apricots the edible parts are ?

[A] endocarp
[B] mesocarp
[C] exocarp
[D] none of the above

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60. A chloroplast without cell wall is ________ ?

[A] aleuroplast
[B] amyloplast
[C] protoplast
[D] photoplast

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