General Science - Biology MCQs

71. The cultivation of which of the plants on wastelands has a potential to generate biofuel in large quantities?

[A] Jatropha curcas
[B] Copaifera langsdorffii
[C] Camelina sativa
[D] None of the above

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72. Which among the following is correct ?

[A] Caffeine which is a diuretic is a constituent of coffee but not found in tea
[B] Vitamin C which is also called ascorbic acid can be replaced with citric acid in our food
[C] Citric acid is used in Cola drinks
[D] All are wrong statements

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73. Which among the following test is most suitable to judge paternity ?

[A] Blood Grouping
[B] Tissue Culture
[C] DNA Test
[D] Genetic Codes

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74. Which among the following suspension in water is often called milk of magnesia because of its milk-like appearance?

[A] Magnesium Carbonate
[B] Magnesium Hydroxide
[C] Magnesium Lactate
[D] Magnesium Oxide

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75. Which component in light causes suppression of melatonin produced by the pineal gland?

[A] Red
[B] Blue
[C] Green
[D] Indigo

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76. Who among the following proved that Bacteria don’t originate by spontaneous generation?

[A] Redi
[B] Pasteur
[C] Hooke
[D] Shleiden

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77. Which among the following is not an Enzyme?

[A] Gastrin
[B] Ptyalin
[C] Pepsin
[D] Rennin

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78. Which among the following is correct about Saliva of a Healthy Human?

[A] It is slightly acidic
[B] It is slightly saline
[C] It is slightly alkaline
[D] It is neutral

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79. Which among the following correctly denotes Net Reproduction Rate?

[A] Average number of children that would be born to a woman over her lifetime
[B] Average number of children that would be born to a couple over their life time
[C] Birth Rate — Death rate
[D] The rate at which women are replaced by daughters who will have children

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80. In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?

[A] Biometry
[B] Bionics
[C] Bionomy
[D] Bionomy

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