Considering the alarming importance of CSAT in UPSC CSE Prelims exam and with enormous requests we received recently, InsightsIAS has started Daily CSAT Test to ensure students practice CSAT Questions on a daily basis. Regular Practice would help one overcome the fear of CSAT too.We are naming this initiative as Insta– DART – Daily Aptitude and Reasoning Test. We hope you will be able to use DART to hit bull’s eye in CSAT paper and comfortably score 100+ even in the most difficult question paper that UPSC can give you in CSP-2021. Your peace of mind after every step of this exam is very important for us.
Looking forward to your enthusiastic participation (both in sending us questions and solving them on daily basis on this portal).
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Question 1 of 5
1. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A) : We feel comfortable in hot and humid climate.
Reason (R) : Sweat evaporates faster in humid climate.
Correct
Answer: D
Explanation
We feel uncomfortable in hut and humid climate because in hot weather, body sweats more but due to high humidity, this sweat does not evaporate easily.
Incorrect
Answer: D
Explanation
We feel uncomfortable in hut and humid climate because in hot weather, body sweats more but due to high humidity, this sweat does not evaporate easily.
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Question 2 of 5
2. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (R): Alcohol rather than mercury is used in a thermometer to measure a temperature of 60oC.
Reason (R): Alcohol has a lower freezing point than mercury.
Correct
Answer: A
Explanation
Mercury freezes at – 39°C, while alcohol freezes at a point far below – 100o C. So, alcohol is used to measure lower temperatures. Similarly, mercury boils at 357oC, while alcohol boils at 78°C. So, mercury is used to measure high temperatures.
Incorrect
Answer: A
Explanation
Mercury freezes at – 39°C, while alcohol freezes at a point far below – 100o C. So, alcohol is used to measure lower temperatures. Similarly, mercury boils at 357oC, while alcohol boils at 78°C. So, mercury is used to measure high temperatures.
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Question 3 of 5
3. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Pipes carrying water often burst in cold countries during severe winter.
Reason (R): Water expands on freezing.
Correct
Answer: A
Explanation
During severe winters, water in the pipes freezes to ice and expands, resulting in bursting of pipes.
Incorrect
Answer: A
Explanation
During severe winters, water in the pipes freezes to ice and expands, resulting in bursting of pipes.
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Question 4 of 5
4. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): An electric bulb makes a ‘bang’ when it is broken.
Reason (R): The air inside the bulb rushes out immediately on breaking.
Correct
Answer: C
Explanation
There is a vacuum inside the electric bulb. When the bulb breaks, air rushes in at great speed from all sides to fill the vacuum, thus producing a ‘bang’.
Incorrect
Answer: C
Explanation
There is a vacuum inside the electric bulb. When the bulb breaks, air rushes in at great speed from all sides to fill the vacuum, thus producing a ‘bang’.
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Question 5 of 5
5. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Salt is an ingredient used to cook food at higher altitudes.
Reason (R): Temperature is lower at higher altitudes.
Correct
Answer: B
Explanation
Due to decrease in pressure at higher altitudes, water boils much below 100oC so that the food does not get sufficient heat for being cooked. Salt increases the bed point of water.
Incorrect
Answer: B
Explanation
Due to decrease in pressure at higher altitudes, water boils much below 100oC so that the food does not get sufficient heat for being cooked. Salt increases the bed point of water.
