Sarkari Naukri

Government Exams Preparation

Basic Science MCQ 1

 5%

Question 1 of 20

1. Hydroscope is an instrument that used to __________.

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Question 2 of 20

2. Bernoulli theorem is applicable to _____?

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Question 3 of 20

3. A piece of wood is float above water then up thrust on it will be ____________.

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4. What is the unit of the physical quantity "Inductance"?

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5. Which of the following is not a property of heavy water?

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Question 6 of 20

6. Human saliva contains an enzyme called "salivary amylase" that breaks down starch to give sugar. It is present in the mouth. There is another area which uses this enzyme. Which of the following is it?

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Question 7 of 20

7. Which of the following is/are true about blood pressure in the human body?

I. This pressure is much greater in arteries than in veins.
II. The pressure of blood during contraction is called diastolic pressure.
III. The normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg.

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Question 8 of 20

8. Which of the following statements is/are correct?

I. In vertebrates, blood flows twice through the heart in each cycle.
II. Amphibians and many reptiles have three-chambered hearts.
III. Fishes have only two chambers to their hearts.

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Question 9 of 20

9. Blood Pressure in humans is measured using the

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Question 10 of 20

10. Which of the following is/are true about the human heart?

I. The heart has valves to ensure blood does not flow backwards when the atria or ventricles contract.
II. Oxygen-rich blood from the lungs enters the heart via the right atrium.
III. Ventricles have thicker muscular walls than the atria.

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Question 11 of 20

11. Which of the following is/are true about the functions of blood in human body?

I. It consists of a fluid medium called plasma which transports oxygen.
II. It contains red blood cells which transports food, carbon dioxide and nitrogenous wastes.
III. Blood makes up around 7% of the weight of a human body.

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Question 12 of 20

12. The long, slender projection of a nerve cell that conducts electrical impulses (carrying information) away from the nerve cell body and transmits this information to different neurons, muscles, and glands is known as:

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Question 13 of 20

13. The ending of a nerve cell used to acquire information from our environment is called

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14. Receptors used to detect taste are known as

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Question 15 of 20

15. Pyorrhea is a disease of the

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16. How many millimeters make ten kilometers?

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Question 17 of 20

17. Which one of the following substances is used in the preservation of food stuff?

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Question 18 of 20

18. Optical fiber works on the principle of

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Question 19 of 20

19. The term LASER stands for

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Question 20 of 20

20. A Refrigerator works on which of the following principles?

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