21. Excessive rainfall can lead to:
(A) Tsunami
(B) Floods
(C) Drought
(D) Earthquake
Answer:
Explanation:
22. Earthquake intensity is measured by:
(A) Seismograph
(B) Seismogram
(C) Richter scale
(D) Magnitude
Answer:
Explanation:
23. What is the name of the top layer of the earth?
(A) Mantle
(B) Crust
(C) Outer core
(D) Inner core
Answer:
Explanation:
24. How many times does our heart beat in one minute?
(A) 100-120
(B) 72-80
(C) 150-200
(D) 160-170
Answer:
Explanation:
25. Who wrote the story “Blow Hot, Blow Cold”?
(A) Zakir Hussain
(B) A. P. J. Abdul Kalam
(C) Fakhruddin Ali Ahmad
(D) M. Hidayatullah
Answer:
Explanation: