Ministry of Defence (MoD) Test → Ministry of Defence (MoD) Past Papers Test MCQs Solved Questions with Answers.

# Ministry of Defence (MoD) Past Papers MCQs

**Q.** The unit to measure ozone layer concentration is

(A) Dobson

(B) Barn

(C) Brass

(D) Metric ounce

The answer is: (A) Dobson ☑

**Q.** The “Ozone Layer” lies within the

(A) thermosphere

(B) troposphere

(C) mesosphere

(D) stratosphere

The answer is: (D) stratosphere ☑

**Q.** The coldest region of the Earth atmosphere is

(A) tropopause

(B) mesopause

(C) stratopause

(D) thermopause

The answer is: (B) mesopause ☑

**Q.** An ocean current is basically a movement of

(A) sea water

(B) sea minerals

(C) hydrocarbons

(D) earth’s attractive forces

The answer is: (A) sea water ☑

**Q.** The Humboldt Current flows in the sea water of

(A) Africa

(B) Europe

(C) North America

(D) South America

The answer is: (D) South America ☑

**Q.** What is the average of the numbers: 2, 5, 0, 10, 10, 12, 8 and 9?

(A) 6

(B) 7

(C) 8

(D) 9

The answer is: (B) 7 ☑

**Solution**

**Q.** A person preparing for running competitions ran 9 km in 1 hour and 20 minutes, and then 12 km in 1 hour and 40 minutes. What is the average speed in km/hr?

(A) 4 km/hr

(B) 5 km/hr

(C) 6 km/hr

(D) 7 km/hr

The answer is: (D) 7 km/hr ☑

**Solution**

Total Distance = 9km + 12km = 21 km. And, Total Time = 1 hour 20 + 1 hour 40 = 3 hours. Hence, Average Speed is