Q. What happens to the level of mercury in the barometer tube when it is taken down a cowl mine? It
(A)
Falls
(B)
Remains unaltered
(C)
Rises
(D)
Rised and then falls
✅ Correct Answer: (C)
Rises
Q. In a barometer, mercury is preferred over water because
(A)
Mercury is good conductor of heat
(B)
Mercury shines and therefore its level can be read easily
(C)
Mercury has high density and low vapour pressure
(D)
Mercury is available in pure form
✅ Correct Answer: (C)
Mercury has high density and low vapour pressure
Q. A bomb is dropped at a point from a moving aeroplane. The pilot observes that
(A)
The bomb traverses a curved path and falls some distance behind that point
(B)
The bomb traverses a curved path and Falls some distance ahead
(C)
The bomb drops vertically downward
(D)
The bomb remains stationary in the air for some time
✅ Correct Answer: (B)
The bomb traverses a curved path and Falls some distance ahead
Q. The vitamin which is generally excreted by humans in urine is
(A)
Vitamin A
(B)
Vitamin D
(C)
Vitamin C
(D)
All of the above
✅ Correct Answer: (C)
Vitamin C
Q. A person who lives exclusively on milk, egg and bread is likely to become a victim of
(A)
Rickets
(B)
Scurvy
(C)
Xerophthalmia
(D)
None of these
✅ Correct Answer: (B)
Scurvy
Q. In the rabbits and horse, the appendix
(A)
Is very small
(B)
Helps in digestion of cellulose
(C)
Has no use
(D)
Stores food
✅ Correct Answer: (B)
Helps in digestion of cellulose
Q. Biological death of a patient means death of tissues of the
(A)
Kidney
(B)
Heart
(C)
Lungs
(D)
Brain
✅ Correct Answer: (D)
Brain
Q. Which of the following hormones contain iodine?
(A)
Adrenaline
(B)
Insulin
(C)
Testosterone
(D)
Thyroxine
✅ Correct Answer: (D)
Thyroxine
Q. The term ecosystem was given by
(A)
A G tansley
(B)
Terrestrial
(C)
Ernest haeckel
(D)
Lanin
✅ Correct Answer: (A)
A G tansley
Q. Aadami mein gunsutra ki sankhya kitni hoti hai
(A)
46
(B)
44
(C)
45
(D)
49
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