Everyday Science

Q: Plants absorb most part of water needed by them through their

(a) :  stem
(b) :  root hairs
(c) :  leaf
(d) :  bark
(e) :  None
Answer:  root hairs
Explanation:  

Q: On average, Air contains ________ % of water vapour.

(a) :  1
(b) :  3
(c) :  5
(d) :  7
(e) :  None
Answer:  1
Explanation:  

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