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926. The following processes take place during the launching of a rocket : 1. Rocket fuel is burnt.2. Gases are produced 3. Rocket moves in the forward direction.4. Gases come out with momentum in backward direction .The correct sequential order in which the above processes occur, is :
A. 1, 2, 3, 4
B. 1, 3, 2, 4
C. 1, 2, 4, 3
D. 1, 3, 4, 2
Explanation:
927. Alpha-keratin is a protein present in :
A. blood
B. skin
C. wool
D. eggs
Explanation:
928. Arrange the following in descending order of calorie content per 100 gram and choose the correct answer : 1. Banana 2. Sugar3. Rice 4. Ptato
A. 2, 3, 4, 1
B. 3, 2, 4, 1
C. 2, 4, 3, 1
D. 3, 4, 2, 1
Explanation:
929. Which nutrients are most likely to be affected by food processing and storage ?
A. Carbohydrates
B. Fats
C. Proteins
D. Vitamins
Explanation:
930. In the human eye, the focussing is done by :
A. to and fro movement of the eye lens
B. to and fro movement of the retina
C. change in the convexity of the eye lens
D. change in the refractive index of the eye fluids
Explanation:
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