Biology (F.Sc)

Q: 97% of total water of planet earth is in oceans what is the percentage of fresh water.

(a) :  2
(b) :  1
(c) :  3
(d) :  4
(e) :  None of the Above
Answer:  1
Explanation:  

Q: The structure which has been formed or modified from gill pouches in humans is

(a) :  Gills
(b) :  Eustachian tube
(c) :  Middle ear
(d) :  Lungs
(e) :  none
Answer:  Eustachian tube
Explanation:  

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