UPSC Insta–DART (Daily Aptitude and Reasoning Test) 31 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): A rainbow forms in the sky only after rains. Reason (R): Water drops suspended in the air break up sun’s rays into seven colours. a) Both A and R are true. 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 Water droplets act like prisms. The sun’s rays fall on water droplets, faces dispersion, and produces a spectrum. Incorrect Answer: A Explanation Water droplets act like prisms. The sun’s rays fall on water droplets, faces dispersion, and produces a spectrum.
#### 1. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): A rainbow forms in the sky only after rains.
Reason (R): Water drops suspended in the air break up sun’s rays into seven colours.
• a) Both A and R are true. 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
Water droplets act like prisms. The sun’s rays fall on water droplets, faces dispersion, and produces a spectrum.
Explanation
Water droplets act like prisms. The sun’s rays fall on water droplets, faces dispersion, and produces a spectrum.
• Question 2 of 5 2. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): Nuclear fusion is used to generate electricity. Reason (R): Nuclear power is not used because it cannot be controlled. a) Both A and R are true. 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) Both A and R are false. Correct Answer: D Explanation A controlled nuclear fission reaction is used to generate electricity. Nowadays, controlled nuclear power finds many important applications. Incorrect Answer: D Explanation A controlled nuclear fission reaction is used to generate electricity. Nowadays, controlled nuclear power finds many important applications.
#### 2. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Nuclear fusion is used to generate electricity.
Reason (R): Nuclear power is not used because it cannot be controlled.
• a) Both A and R are true. 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) Both A and R are false.
Explanation
A controlled nuclear fission reaction is used to generate electricity. Nowadays, controlled nuclear power finds many important applications.
Explanation
A controlled nuclear fission reaction is used to generate electricity. Nowadays, controlled nuclear power finds many important applications.
• Question 3 of 5 3. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): River Narmada flows towards in the western direction. Reason (R): Narmada falls into the Bay of Bengali. a) Both A and R are true. 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 River Narmada flows westward and drains into Arabian sea. Incorrect Answer: C Explanation River Narmada flows westward and drains into Arabian sea.
#### 3. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): River Narmada flows towards in the western direction.
Reason (R): Narmada falls into the Bay of Bengali.
• a) Both A and R are true. 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
River Narmada flows westward and drains into Arabian sea.
Explanation
River Narmada flows westward and drains into Arabian sea.
• Question 4 of 5 4. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): Cotton is grown in alluvial soils. Reason (R): Alluvial soils are very fertile. a) Both A and R are true. 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 Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits its mineral requirements. Incorrect Answer: D Explanation Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits its mineral requirements.
#### 4. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): Cotton is grown in alluvial soils.
Reason (R): Alluvial soils are very fertile.
• a) Both A and R are true. 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
Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits its mineral requirements.
Explanation
Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits its mineral requirements.
• Question 5 of 5 5. Question Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative Assertion (A): India has a tropical monsoon type climate. Reason (R): India is located exactly between the tropical latitudes. A. Both A and R are true. 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 India has a tropical monsoon type climate owing to its geographical relief. Only the lower half of India lies amidst tropical latitudes, as the Tropic of Cancer passes through its centre. Incorrect Answer: C Explanation India has a tropical monsoon type climate owing to its geographical relief. Only the lower half of India lies amidst tropical latitudes, as the Tropic of Cancer passes through its centre.
#### 5. Question
Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative
Assertion (A): India has a tropical monsoon type climate.
Reason (R): India is located exactly between the tropical latitudes.
• A. Both A and R are true. 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
India has a tropical monsoon type climate owing to its geographical relief. Only the lower half of India lies amidst tropical latitudes, as the Tropic of Cancer passes through its centre.
Explanation
India has a tropical monsoon type climate owing to its geographical relief. Only the lower half of India lies amidst tropical latitudes, as the Tropic of Cancer passes through its centre.
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