Q.  In human  body vitamin A  is used in 
A) kidney
B) Pancreas
C) Lungs
D) heart
Q. alcohol obtained in the sapanification process is
A) ethyl alcohol
B) methyl alcohol
C) wood spirit
D) glycerol
Q. national environmental engineering research institute is at
A) banglore
B) chhota nagpur
C) dehra dun
D) nagpur
Q. Animal  protein is called first class protein because
A) rich in essential alcohol
B) rich in essential amino acids
C) rich in ethylic acids
D) rich in calicium
Q. til now the highest temperature  on the earth is released at
A) el azizia
B) death valley
C) alwas
D) oodnodatta
Today Challenging Question
Q. the present ages of A and B are 2:5. nine years ago their ages were in the ratio 1:4. find the present age of A
A) 18
B) 20
C) 22
D) 24
2 members solved
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