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Earn 100

Water enters into the root hair from the soil in its normal condition because the osmotic pressure of the soil solution :-
(a)Remains lesser than that of root hair sap
(b)Remains equal to that of root hair sap
(c)Remains higher than that of root hair sap
(d)And that of root hair sap remains zero

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Important Questions on Transport in Plants
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Mitochondria and chloroplast are:
(i) Semi - autonomous organelles
(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery
Which one of the following option is correct?

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Assertion (): The flow of solvent molecules from a pure solvent to the solution through semipermeable membrane is osmosis.
Reason Pure solvent molecules flow out of the solution through semipermeable membrane if a pressure larger than the osmotic pressure is applied to the solution side.
The correct answer is:

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Column I | Column II | ||
A | Thylakoids | (i) | Disc-shaped sacs in Golgi apparatus |
B | Cristae | (ii) | Condensed structure of DNA |
C | Cisternae | (iii) | Flat membranous sacs in stroma |
D | Chromatin | (iv) | Infoldings in mitochondria |

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