Prelims Mantra (Practice Questions) (07/01/2026)
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Prelims Mantra (Practice Questions) (07/01/2026)
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Question 1 of 5
1. Question
With reference to the Bureau of Indian Standards (BIS), consider the following statements:
1) BIS functions as the National Standards Body of India under the Department of Consumer Affairs.
2) BIS has the authority to recall non-conforming standard-marked products and provide consumer compensation under the BIS Act, 2016.
3) BIS is only responsible for standardisation but cannot certify products under any scheme.
Which of the statements given above is/are correct?
CorrectAnswer: B
Explanation:
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- Statement 1 is correct: BIS is the National Standards Body of India under the Department of Consumer Affairs.
- Statement 2 is correct: The BIS Act, 2016 empowers BIS with consumer protection tools including recall of non-conforming products and provisions for compensation.
- Statement 3 is incorrect: BIS is also responsible for product certification, hallmarking, laboratory testing and conformity assessment, not just standardisation.
IncorrectAnswer: B
Explanation:
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- Statement 1 is correct: BIS is the National Standards Body of India under the Department of Consumer Affairs.
- Statement 2 is correct: The BIS Act, 2016 empowers BIS with consumer protection tools including recall of non-conforming products and provisions for compensation.
- Statement 3 is incorrect: BIS is also responsible for product certification, hallmarking, laboratory testing and conformity assessment, not just standardisation.
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Question 2 of 5
2. Question
With reference to the Open Network for Digital Commerce (ONDC), which of the following statements are correct?
1) ONDC is a closed proprietary e-commerce platform owned by the Ministry of Commerce & Industry.
2) It enables purchase of entry tickets for Archaeological Survey of India (ASI) heritage sites through multiple applications.
3) Users booking ASI tickets through ONDC-enabled apps may get certain discounts compared to on-site ticket purchases.
Select the correct answer from the code given below:
CorrectAnswer: B
Explanation:
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- Statement 1 is incorrect: ONDC is not a closed proprietary platform; it is an open, interoperable digital commerce network that allows buyers and sellers to transact across a federated ecosystem of participating apps. It is backed by the Government of India but isn’t a proprietary marketplace itself.
- Statement 2 is correct: The network now allows visitors to buy tickets for ASI-protected monuments and museums through multiple ONDC-enabled applications, helping them avoid queues and expand digital access.
- Statement 3 is correct: Booking through ONDC-enabled apps carries existing discounts for users ₹5 off for Indian visitors and ₹50 off for foreign nationals compared to regular queue purchases.
IncorrectAnswer: B
Explanation:
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- Statement 1 is incorrect: ONDC is not a closed proprietary platform; it is an open, interoperable digital commerce network that allows buyers and sellers to transact across a federated ecosystem of participating apps. It is backed by the Government of India but isn’t a proprietary marketplace itself.
- Statement 2 is correct: The network now allows visitors to buy tickets for ASI-protected monuments and museums through multiple ONDC-enabled applications, helping them avoid queues and expand digital access.
- Statement 3 is correct: Booking through ONDC-enabled apps carries existing discounts for users ₹5 off for Indian visitors and ₹50 off for foreign nationals compared to regular queue purchases.
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Question 3 of 5
3. Question
The “Mpemba effect”, recently in the news, refers to which of the following?
CorrectAnswer: C
Explanation:
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- The Mpemba Effect describes the counterintuitive observation that water at a higher initial temperature may freeze faster than colder water. Recent supercomputer simulations by Indian scientists provided strong computational evidence supporting this phenomenon by revealing alternate molecular pathways during ice formation.
IncorrectAnswer: C
Explanation:
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- The Mpemba Effect describes the counterintuitive observation that water at a higher initial temperature may freeze faster than colder water. Recent supercomputer simulations by Indian scientists provided strong computational evidence supporting this phenomenon by revealing alternate molecular pathways during ice formation.
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Question 4 of 5
4. Question
Consider the following statements about biomaterials:
1) They are materials derived wholly or partly from biological sources or engineered using biological processes.
2) Drop in biomaterials are chemically different from conventional materials and require new processing systems.
3) Novel biomaterials offer functionalities not found in traditional materials.
Which of the statements given above is/are correct?
CorrectAnswer: D
Explanation:
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- Statement 1 is correct: Biomaterials are derived from biological sources or engineered biologically and can replace or interact with conventional materials.
- Statement 2 is incorrect: Drop in biomaterials are chemically identical to conventional materials and do not require new processing systems.
- Statement 3 is correct: Novel biomaterials provide new properties, such as bioactivity or self healing, not seen in traditional materials.
IncorrectAnswer: D
Explanation:
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- Statement 1 is correct: Biomaterials are derived from biological sources or engineered biologically and can replace or interact with conventional materials.
- Statement 2 is incorrect: Drop in biomaterials are chemically identical to conventional materials and do not require new processing systems.
- Statement 3 is correct: Novel biomaterials provide new properties, such as bioactivity or self healing, not seen in traditional materials.
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Question 5 of 5
5. Question
Consider the following statements about the CAG’s State Finances 2023 24 report:
1) The report provides a consolidated assessment of the finances of all States and UTs.
2) A State can be in revenue surplus yet still use Ways and Means Advances (WMA) for cash flow management.
3) Continuous dependence on WMA reflects liquidity stress rather than fiscal surplus.
Which of the above statements are correct?
CorrectAnswer: D
Explanation:
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- Statement 1 is correct: The CAG report consolidates audited fiscal data of all States (28 states) for FY 2023 24.
- Statement 2 is correct: A State can maintain a revenue surplus (where revenue receipts exceed revenue expenditures) and still resort to WMA/overdrafts to handle timing mismatches between inflows and outflows.
- Statement 3 is correct: Extensive and sustained use of WMA indicates liquidity stress and cash flow challenges even if the revenue accounts show surplus, because WMA usage reflects short term financing needs.
IncorrectAnswer: D
Explanation:
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- Statement 1 is correct: The CAG report consolidates audited fiscal data of all States (28 states) for FY 2023 24.
- Statement 2 is correct: A State can maintain a revenue surplus (where revenue receipts exceed revenue expenditures) and still resort to WMA/overdrafts to handle timing mismatches between inflows and outflows.
- Statement 3 is correct: Extensive and sustained use of WMA indicates liquidity stress and cash flow challenges even if the revenue accounts show surplus, because WMA usage reflects short term financing needs.
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