Quiz on Science Set 70

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Note: You can select only one option out of four option of each question.

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Quiz on Science Set 70 :

Question 1 :

An example of periodic motion is that of a
A. Wall clock
B. Simple pendulum
C. Table clock
D. Digital clock

Correct Ans: Option B

Question 2 :

Microorganisms which feed on dead and decaying matter follow
A. Autotrophic nutrition
B. Saprophytic nutrition
C. Heterotrophic nutrition
D. Parasitic nutrition

Correct Ans: Option B

Question 3 :

A plane mirror always produces a
A. Real, erect image
B. Virtual, erect image
C. Virtual inverted image
D. Real, inverted image

Correct Ans: Option B

Question 4 :

Which among the following is used as a magnifying glass?
A. Convex lens
B. Concave lens
C. Convex mirror
D. Concave mirror

Correct Ans: Option A

Question 5 :

When we speak we produce sound. This is because our vocal cords
A. Get dry
B. Vibrate
C. Become light
D. Get stretched

Correct Ans: Option B

Question 6 :

If an object absorbs light of all colours, it will appear
A. Blue
B. Yellow
C. Black
D. White

Correct Ans: Option C

Question 7 :

The part of the brain more developed in man is________
A. Cerebrum
B. Cerebellum
C. Medulla
D. Olfactory lobes

Correct Ans: Option A

Question 8 :

In which of the following activities silicon carbide is used?
A. Making cement and glass
B. Disinfecting water of ponds
C. Cutting very hard substances
D. Making casts for statues

Correct Ans: Option C

Question 9 :

The average salinity of seawater is
A. 3%
B. 3.5%
C. 2.5%
D. 2%

Correct Ans: Option B

Question 10 :

When an iron nail gets rusted, iron oxide is formed
A. Without any change in the weight of the nail
B. With decrease in the weight of the nail
C. With increase in the weight of the nail
D. Without any change in colour or weight of the nail

Correct Ans: Option C

Quiz Summary


Here the correct answers of every question in this quiz.

Q.1 [B],     Q.2 [B],     Q.3 [B],     Q.4 [A],     Q.5 [B],     Q.6 [C],     Q.7 [A],     Q.8 [C],     Q.9 [B],     Q.10 [C],    


Total Questions: 10
Your score:
Subject: Science
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