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A&R Quiz Biology (day-5)

Update on: 18 Mar 2019, 11:29 AM

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ASSERTION : Endoplasmic reticulum helps in export of proteins. REASON : RER is actively engaged in protein synthesis.

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ASSERTION : Sexual reproduction always needs meiosis. REASON : Conjugation, is not a perfect type of sexual reproduction.

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ASSERTION : Active water absorption by roots need metabolic energy. REASON : Passive water absorption by roots occurs in response to transpiration.

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ASSERTION : The efficiency of C4 plant is more than those of C3 plant. REASON: C4 plants are more efficient in picking CO2.

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ASSERTION : Fermentation is the incomplete oxidation of glucose into lactic acid or ethanol. REASON : Fermentation takes place under anaerobic conditions in prokaryotes only.

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ASSERTION : Small intestine is the principal organ for absorption of nutrients. REASON : Absorption of water, simple sugars and alcohol etc. takes place in small intestine.

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ASSERTION : Respiratory gas exchange occurs through osmosis. REASON : Respiratory gas goes from lower partial pressure region to the region of higher partial pressure.

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ASSERTION : Pulmonary circulation consists of flow of deoxygenated blood from right ventricle to the lungs and flow of oxygenated blood from lungs to the left atrium. REASON : Systemic circulation consists of flow of oxygenated blood from the left ventricle to all parts of the body and deoxygenated blood from different parts to right atrium.

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ASSERTION : Extra oxygen consumption in human body is known as oxygen debt. REASON : The extra oxygen is required by the body to oxidise the accumulated lactic acid produced during strenous exercise.

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ASSERTION : Image focussed on the fovea is seen most accurately. REASON : Fovea of retina contains numerous photoreceptor rod cells.

Correct! Wrong!

A&R Quiz Biology (day-5)
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