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Home/Science Questions/Page 93

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Deepanjali
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Asked: July 31, 2021In: Chemistry

The phenomenon in which cells are shrinked down if placed in hypertonic solution is called

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A. Plasmolysis B. Haemolysis C. Endosmosis D. None

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Deepanjali
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Asked: July 31, 2021In: Chemistry

The process of getting freshwater from sea water is known as:

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A. Osmosis B. Filtration C. Diffusion D. Reverse osmosis

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Deepanjali
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Asked: July 31, 2021In: Chemistry

The osmotic pressure of a solution increase if:

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A. Temperatures is lowered B. Volume is increased C. Number of solute molecules is increase D. None

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Asked: July 31, 2021In: Zoology

What is called animals in which nitrogen is excreted predomonantly in form of urea?

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A. Ammonotelic B. Ametelic C. Ureotelic D. Uricotelic

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Pratibha
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Asked: July 31, 2021In: Zoology

Loop of Henle is concerned with which system?

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A. Excretory system B. Reproductive system C. Nervous system D. Muscular system

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Pratibha
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PratibhaEnlightened
Asked: July 31, 2021In: Zoology

Excretion is mainly responsible for the removal of what?

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A. Excess of water B. Carbon dioxide C. Unnecessary and harmful products D. Waste products of animal’s own metabolism

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Deepanjali
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Asked: July 31, 2021In: Chemistry

The lubricating action of an oil it possess:

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A. High vapour pressure B. Low vapour pressure C. High surface tension D. High density

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Pratibha
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Asked: July 31, 2021In: Zoology

Where Henle’s loop is present?

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A. Medulla B. Liver C. Kidney D. Both a and c

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Deepanjali
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DeepanjaliEnlightened
Asked: July 31, 2021In: Chemistry

Which one is the ore of copper?

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A. Bauxite B. Dolomite C. Haematite D. Chalcopyrite

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Pratibha
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PratibhaEnlightened
Asked: July 31, 2021In: Zoology

Which of the following is correct?

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A. Afferent arteriole is narrower than efferent arteriole B. Efferent venule is narrower than afferent venule C. Efferent arteriole is narrower than afferent arteriole D. Afferent venule is narrower than efferent venule

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