General Science - Biology MCQs

11. Penicillin’ which is used as an antibiotic is obtained from :
[A] Bacteria
[B] Fungi
[C] algae
[D] Lichens

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12. The instrument that measures arterial blood pressure is known as :
[A] Pyknometer
[B] Hypsometer
[C] Sphygmoscope
[D] Sphygmomanometer

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13. Meg-1 is an imprinted gene which finds expression only from maternal chromosomes which regulates the transfer of nutrients from the plant to the seed. This gene has been discovered in :
[A] Maize
[B] cotton
[C] jute
[D] Sugarcane

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14. Which of the following statements is NOT true regarding the Vitamin C?
[A] Only Vitamin C is to be taken externally, all others are produced in the human body.
[B] Vitamin C is the only vitamin which is also a hormone.
[C] Scurvy is caused by the deficiency of Vitamin C
[D] Vitamin C is a water-soluble vitamin.

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15. Which of the following tests is used for the diagnosis of ‘Colour-Blindness’ in people ?
[A] Ishihara Test
[B] Widal Test
[C] ELISA test
[D] Rorschach test

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16. Which of the following artificial sweeteners is not broken down by the body and therefore it is non-caloric (no-calorie sweetener) :
[A] Aspartame
[B] Saccharin
[C] Sucralose
[D] Cyclamate

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17. The Science of using mechanical devices with human muscle skeleton and nervous systems to assist or enhance motor control lost by trauma, disease or defect is called:
[A] Gerontechnology
[B] Biomechatronics
[C] Orthotics
[D] Bionics

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18. Which among the following is not among Micronutrients required for plants?
[A] Molybdenum
[B] Magnesium
[C] Manganese
[D] Zinc

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19. How does calcium carbide ripen mangoes?
[A] It reacts with moisture and releases Ethylene
[B] It reacts with moisture and releases Acetaldehyde, which in turn releases ethylene
[C] It reacts with starch and releases Acetylene
[D] It reacts with moisture and releases Ethyne

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20. Which among the following is the edible part in Rice?
[A] Fruit
[B] Cotyledons
[C] Endosperm
[D] Embryo

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