Everyday Science Mcqs for Fpsc and other Tests
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131. Monsoon is caused by……………..?
answer
Seasonal reversal of winds
132. Which of the following layers of the atmosphere aids radio communication?
answer
Lonosphere
133. A moderator is used in nuclear reactor in order to ‘?
answer
Slow down the speed of the neutrons
134. Sedimentary rocks are……………?
answer
Porous
135. Which one of the following is a non-metallic mineral?
answer
Gypsum
136. Ozone layer prevents………………. radiation from entering the atmosphere?
answer
Ultraviolet
137. Radiations from whence cause the Aurora Borealis phenomenon, which manifests as a display of red and green lights in the northern hemisphere?
answer
Lonosphere
138. Yeast is used in making bread because it produces…………?
answer
Carbon dioxide
139. Oasis is associated with……………..?
answer
Desert
140. Quartz crystal in quartz watches work on the principle called?
answer
Piezo-electric effect
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