Semipermeable membrane is necessary for  A) Osmosis 

Monjur Alahi

Semipermeable membrane is necessary for 

A) Osmosis 

B) Diffusion 

C) Both osmosis & diffusion 

D) None


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1 Answers

Salim Ahmed Kawsar

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Correct option is A) Osmosis

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C) both lipids and proteins

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Osmosis occurs in this medium.  A) Solids  B) Liquids 

Correct option is B) Liquids

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Correct option is B) Diffusion

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Example for semipermeable membrane ………….. 

Correct option is C) Egg

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Osmosis does not takes place in  A) Animal cells  B) Plant cells 

D) Dead cells

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Identify the mismatched pair from the following.  i) Diffusion – Thomas Graham  ii) Osmosis – Mercury and Bowie 

Correct option is D) ii, iii

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Swelling of egg placed in the tap water is due to  A) osmosis 

D) endosmosis

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The movement of molecules from an area of high concentration to an area of lower concentration is known as  a) osmosis  b) diffusion 

Correct option is C) b only

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In plant cells :  A) the cytoplasm, lining of the cell wall acts as semipermeable membrane.

D) cell sap acts as 4 semipermeable membrane.

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Which of the following is necessary for internal fertilisation to occur but NOT necessary for external fertilisation?

(B) The sperm should reach inside the body of the female.

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