General Science - Biology MCQs

181. 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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182. The Chlorophyll cells within the plant leaves are perfectly optimized to absorb which of the following waves of the Sun Light?
[A] Green
[B] Red & Blue
[C] Red & Yellow
[D] Yellow and Blue

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183. 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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184. Kazimierz Funk or Casimir Funk, was a Polish biochemist, generally credited with the first formulation of the concept of which of the following ?
[A] Amino Acids
[B] DNA
[C] RNA
[D] Vitamins

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185. Which among the following are the building blocks of human body ?
[A] Muscles
[B] Cells
[C] Neurons
[D] Proteins

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186. Which among the following disease is caused by deficiency of Nicotinic acid?
[A] Anemia
[B] Pellagra
[C] Dermatitis
[D] Goiter

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187. Which among the following is not correctly matched?
[A] Penicillin – Alexander Flemming
[B] Barometer – Torricelli
[C] X- Ray – W. Roentgen
[D] Parachute – W H carothers

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188. Which among the following contributes to the replenishment of soil?
[A] Bacteria
[B] Fungi
[C] Algae
[D] Earthworm

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189. 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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190. Which among the following is not correctly matched?
[A] Malleus – Middle Ear Bone
[B] Maxilla – Cranial Bone
[C] Lunate Carpal Bon
[D] All are corrrect

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