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Thursday 25 April 2013

How does plants get rid of excess of water



(Q.51)  What is the full form of ATP?
(A) Adenosine Tetra Phosphate.
(B) Adenosine Tri Phosphate.
(C) Aminosine Triphosphate
(D) Aminosine Tetra Phosphate

(Q.52)  Rate of respiration in aquatic organisms is ____as compared to terrestrial organisms.
(A) Low
(B) Fast
(C) Equal
(D) Cannot say

(Q.53)  Which of the following factors affect the rate of photosynthesis?
(A) Light
(B) CO2
(C) Water and temperature
(D) All the above

(Q.54)  How does plants get rid of excess of water?
(A) Store it in leaves
(B) Store it in vacuoles
(C) Releases through roots
(D) By transpiration

(Q.55)  How does the transportation of food take place in plants?
(A) Transportation of food takes place in plants through xylem.
(B) Transportation of food takes place in plants through phloem.
(C) Transportation of food takes place in plants through xylem and phloem.
(D) None of them

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