EVERYDAY SCIENCE MCQS QUIZ.5

EVERYDAY SCIENCE MCQS QUIZ.5

1. The heart of a normal adult human being weighs about:

200 grams

300 grams

400 grams

500 grams

2. The part of the body directly affected by Pneumonia is:

Epidermal tissue

Respiratory system

Nervous system

Bone tissue

3. As the amount of clay in a soil increase, its water retaining capacity:

Increases

Decrease

Remains same

4. Hemoglobin in the blood is a complex protein rich in:

Gold

Iron

Silver

Copper

5. Amino acids are a product of the digestion of:

Fats

Proteins

Carbohydrates

Vitamins

6. The amount of haemoglobin present in ablood is about 15 gm per 100 ml. blood and this amount is usually calle “100 percent”. What percentage is considered normal?

80 %

85 %

Over 90%

Over 95%

7. The other name of Vitamin C is:

Riboflavin

Ascorbic acid

Acetic acid

Formic acid

8. Which of the following pairs is not correct?

Telescope – Galileo

Helicopter – Brequet

Barometer – Torricelli

Aeroplane – Barthelemy

9. Which of the following is used in fire extinguishers?

Carbon monoxide

Mixture of gases

Carbon dioxide

Carbon sulphate

10. Earth’s crust has the abundant reserves of:

Iron, silicon, and oxygen

Silicon, oxygen, and aluminium

Silicon, nitrogen, and aluminium

Iron, silicon, and oxygen

11. Pure gold is:

17 carat

20 carat

24 carat

36 carat

12. One house power is equal to:

736 watts

746 watts

748 watts

756 watts

13. Dynamo is a device that converts:

Heat energy into electrical energy

Electrical energy into mechanical energy

Alternating current into direct current

Mechanical energy into electrical energy

14. Heat from the sun is received by the earth through:

Convection

Radiation

Conduction

None of these

15. Which one of the following elements is exte3nsilvely used in electronics?

Silicon

Selenium

Sodium

Zirconium

16. Which one of the following mixture of gases is required in gas welding?

Oxygen and hydrogen

Acetylene and oxygen

Oxygen and ethylene

Acetylene and hydrogen

17. The largest cell in the human body is:

Kidney cell

Nerve cell

Liver cell

Muscle cell

18. Dead red blood corpuscles are stored in:

Heart

Liver

Spleen

Kidney

19. A thermostat is:

A device used to maintain a constant temperature of water bath or an oven

A device which varies the temperature of a bath

A modern type of thermo flask which work on the principle of equipartition of heat energy

An instrument by which the accuracy of thermometers determined

20. The time interval between two beat of a normal human heart is:

0.5 second

1 second

2 seconds

3 seconds

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EVERYDAY SCIENCE MCQS QUIZ.4