Assertion (A) The steam engine was invented by James Watt. Reason (R) There was

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Question
Assertion (A)
The steam engine was invented by James Watt.
Reason (R)
There was a problem of taking out water from flooded mines.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

Correct Answer

if A is true but R is false

Explanation

Assertion is correct but reason is false.

Assertion and Reason problems

Search Results

1.
Assertion (A)
When common salt is kept open, it absorbs moisture from the air.
Reason (R)
Common salt contains magnesium chloride.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

2.
Assertion (A)
Graphite is slippery and used as a lubricant.
Reason (R)
Graphite has free electrons.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

3.
Assertion (A)
Tides indicate the regular and periodic rise and fall in sea level.
Reason (R)
Tides are caused by the gravitational pull of the Moon and sea level.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

4.
Assertion (A)
Alcohol rather than mercury is used in a thermometer to measure a temperature of - 60 C.
Reason (R)
Alcohol has a lower freezing point than mercury.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

5.
Which among the following is not an acceptable combination?
Options
A. Rawat, Vinod, Abhishek, Tarun, Vatsala
B. Vinod, Abhishek, Prateek, Vatsala, Tarun
C. Shalini, Kapil, Vatsala, Tarun
D. Tarun, Vatsala, Shalini, Kapil, Vinod, Abhishek

6.
Assertion (A)
We prefer to wear white clothes in winter.
Reason (R)
White clothes are good reflectors of heat.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is false but R is true

7.
Assertion (A)
Earthworms are not good for agriculture.
Reason (R)
Earthworms break down the soil into fine particles and make it soft.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is false but R is true

8.
Assertion (A)
Mercury is the farthest planet from the Sun.
Reason (R)
Mercury is the smallest planet in the entire solar system.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is false but R is true

9.
Assertion (A)
Red, green colour blindness occurs with more frequency in males than in females.
Reason (R)
Females have two X-chromosomes and males have one.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is true but R is true

10.
Assertion (A)
Indus Valley people knew the art of navigation.
Reason (R)
Indus Valley seals indicate prevalence of overseas trade.
Options
A. if both A and R are true and R is the correct explanation of A
B. if both A and R are true and R is not the correct explanation of A
C. if A is true but R is false
D. if A is false but R is true

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