UPSC Insta–DART (Daily Aptitude and Reasoning Test) 29 Jan 2025
Kartavya Desk Staff
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): Appendix is a vestigial organ in human body. Reason (R): It does not participate in digestion. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Correct Answer: A Explanation Appendix, an organ that once aided in the digestion of raw vegetable matter, is now considered a functionless organ in human body. Incorrect Answer: A Explanation Appendix, an organ that once aided in the digestion of raw vegetable matter, is now considered a functionless organ in human body.
#### 1. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Appendix is a vestigial organ in human body.
Reason (R): It does not participate in digestion.
• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.
Explanation
Appendix, an organ that once aided in the digestion of raw vegetable matter, is now considered a functionless organ in human body.
Explanation
Appendix, an organ that once aided in the digestion of raw vegetable matter, is now considered a functionless organ in human body.
• Question 2 of 5 2. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): Himalayas used to lay under the sea. Reason (R): Fossils of various marine creatures are traced on the Himalayas. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Correct Answer: A Explanation Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys Sea. This is evident from the recovery of fossils of marine creatures on its peaks. Incorrect Answer: A Explanation Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys Sea. This is evident from the recovery of fossils of marine creatures on its peaks.
#### 2. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Himalayas used to lay under the sea.
Reason (R): Fossils of various marine creatures are traced on the Himalayas.
• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.
Explanation
Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys Sea. This is evident from the recovery of fossils of marine creatures on its peaks.
Explanation
Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys Sea. This is evident from the recovery of fossils of marine creatures on its peaks.
• Question 3 of 5 3. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): Shivaji developed the guerilla Warfare. Reason (R): Shivaji feared the Mughals a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Correct Answer: C Explanation Although Shivaji initiated the guerilla warfare to defeat the Mughals, he did not fear them. Incorrect Answer: C Explanation Although Shivaji initiated the guerilla warfare to defeat the Mughals, he did not fear them.
#### 3. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Shivaji developed the guerilla Warfare.
Reason (R): Shivaji feared the Mughals
• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.
Explanation
Although Shivaji initiated the guerilla warfare to defeat the Mughals, he did not fear them.
Explanation
Although Shivaji initiated the guerilla warfare to defeat the Mughals, he did not fear them.
• Question 4 of 5 4. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): Legumes revive the soil fertility. Reason (R): Microbes in the root nodules of legumes fix the atmospheric nitrogen. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Correct Answer: A Explanation The root nodules of leguminous plants contain nitrogen fixing bacteria which absorb the atomspheric nitrogen and convert it into nitrogenous compounds useful for the plants reviving soil fertility. Incorrect Answer: A Explanation The root nodules of leguminous plants contain nitrogen fixing bacteria which absorb the atomspheric nitrogen and convert it into nitrogenous compounds useful for the plants reviving soil fertility.
#### 4. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Legumes revive the soil fertility.
Reason (R): Microbes in the root nodules of legumes fix the atmospheric nitrogen.
• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.
Explanation
The root nodules of leguminous plants contain nitrogen fixing bacteria which absorb the atomspheric nitrogen and convert it into nitrogenous compounds useful for the plants reviving soil fertility.
Explanation
The root nodules of leguminous plants contain nitrogen fixing bacteria which absorb the atomspheric nitrogen and convert it into nitrogenous compounds useful for the plants reviving soil fertility.
• Question 5 of 5 5. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): In winters, people prefer wearing white clothes. Reason (R): White clothes are great reflectors of heat. a) Both A and R are true and R is the correct explanation of A. b) Both A and R are true but R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Correct Answer: D Explanation We prefer to wear dark clothes in winter because they absorb the heat and keep the body warm. However, while clothes are good reflectors of heat and are worn in summer. Incorrect Answer: D Explanation We prefer to wear dark clothes in winter because they absorb the heat and keep the body warm. However, while clothes are good reflectors of heat and are worn in summer.
#### 5. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): In winters, people prefer wearing white clothes.
Reason (R): White clothes are great reflectors of heat.
• a) Both A and R are true and R is the correct explanation of A.
• b) Both A and R are true but R is not the correct explanation of A.
• c) A is true but R is false.
• d) A is false but R is true.
Explanation
We prefer to wear dark clothes in winter because they absorb the heat and keep the body warm. However, while clothes are good reflectors of heat and are worn in summer.
Explanation
We prefer to wear dark clothes in winter because they absorb the heat and keep the body warm. However, while clothes are good reflectors of heat and are worn in summer.
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