SSC CGL Tier 1 Genral Awareness Questions and Answers Online Test 61

1 .
SONAR works on the principle of

A. motion of charged particles in electromagnetic fields

B. reflection of ultrasonic waves

C. thin film optical interference

D. detection of cosmic radio waves

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2 .
What is the nature of electromagnetic force?

A. Always attractive

B. Always repulsive

C. Attractive or repulsive

D. None of the above

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3 .
Which of the following is not the common manifestation of atmospheric pressure?

A. Vacuum Cleaner

B. Fountain Pen

C. Aircraft flying

D. Dynamic life

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4 .
Light Emitting Diode (LED) converts

A. electrical energy into light energy

B. light energy into electrical energy

C. optical radiation into electricity

D. thermal energy into electrical energy

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5 .
Which of the following is not an example of TRUE fruit?

A. Mango

B. Apple

C. Banana

D. Tomato

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6 .
The theory of Origin of Species is based primarily on

A. The process of biological evolution

B. the process of natural selection

C. the germplasm theory

D. the evolution of man from apes

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7 .
Which of the following statements are true about the commercially used automobile battery?

I.It is usually a lead-acid battery

II.It has six cells with a potential of 2 volts each

III.Its cells work as galvanic cells while discharging power

IV.Its cells work as electrolytic cells while recharging

A. I, II, III and IV

B. I, II and III

C. II and IV

D. III and IV

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8 .
Synthetic Detergents are sodium salts of

A. Carboxylic acids

B. Sulphonic acids

C. Fatty acids

D. Royal water

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9 .
Which of these international tennis events is played on a grass court?

A. US Open

B. French Open

C. Wimbledon

D. Australian Open

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10 .
Which of the following is an ore of silver?

A. Dolomite

B. Malachite

C. Cinnabar

D. Argentite

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