General science

1. Decibel is the unit used for: A. Speed of light B. Intensity of heat C. Intensity of sound D. Radio wave frequency

Speed of light
Intensity of heat
Intensity of sound
Radio wave frequency

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button" href="https://exam.pscnotes.com/mcq/decibel-is-the-unit-used-for-a-speed-of-light-b-intensity-of-heat-c-intensity-of-sound-d-radio-wave-frequency/#more-21722">Detailed SolutionDecibel is the unit used for: A. Speed of light B. Intensity of heat C. Intensity of sound D. Radio wave frequency

3. What are metal bearing rocks called? A. Bitumen B. Bauxite C. Metalloids D. Ores

Bitumen
Bauxite
Metalloids
Ores

Detailed SolutionWhat

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are metal bearing rocks called? A. Bitumen B. Bauxite C. Metalloids D. Ores

4. The percentage of oxygen present in air is approximately- A. 44% B. 23% C. 40% D. 21%

44%
23%
40%
21%

Detailed SolutionThe percentage

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of oxygen present in air is approximately- A. 44% B. 23% C. 40% D. 21%

5. Which is the absolute temperature scale? A. Celsius B. Fahrenheit C. Kelvin D. All of these

Celsius
Fahrenheit
Kelvin
All of these

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of these" class="read-more button" href="https://exam.pscnotes.com/mcq/which-is-the-absolute-temperature-scale-a-celsius-b-fahrenheit-c-kelvin-d-all-of-these/#more-21718">Detailed SolutionWhich is the absolute temperature scale? A. Celsius B. Fahrenheit C. Kelvin D. All of these

6. Which layer protects earth from harmful rays of the Sun? A. Ionosphere B. Ozone layer C. Troposphere D. Magnetosphere

Ionosphere
Ozone layer
Troposphere
Magnetosphere

Detailed SolutionWhich layer protects earth

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from harmful rays of the Sun? A. Ionosphere B. Ozone layer C. Troposphere D. Magnetosphere

7. Which of the following schemes is launched for the school going children: A. Lok Jumbish B. Mid day meal C. Sarva Shiksha Abhiyan D. Ayush

Lok Jumbish
Mid day meal
Sarva Shiksha Abhiyan
Ayush

Detailed SolutionWhich of the following schemes is launched for the school going

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children: A. Lok Jumbish B. Mid day meal C. Sarva Shiksha Abhiyan D. Ayush

8. Noise or Noise pollution measured in: A. Phon B. Deci C. Decibel D. Decimal

Phon
Deci
Decibel
Decimal

Detailed

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64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
SolutionNoise or Noise pollution measured in: A. Phon B. Deci C. Decibel D. Decimal

9. AIDS is caused by: A. Bacteria B. Fungus C. Helminth D. Virus

Bacteria
Fungus
Helminth
Virus

Detailed

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SolutionAIDS is caused by: A. Bacteria B. Fungus C. Helminth D. Virus

10. BACK TO VILLAGES slogan was given by: A. Lenin B. Mao C. Nehru D. Patel

Lenin
Mao
Nehru
Patel

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button" href="https://exam.pscnotes.com/mcq/back-to-villages-slogan-was-given-by-a-lenin-b-mao-c-nehru-d-patel/#more-21713">Detailed SolutionBACK TO VILLAGES slogan was given by: A. Lenin B. Mao C. Nehru D. Patel

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