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CSAT 2026 paper

UPSC CSE CSAT 2026 · Question 28 · Reading comprehension

Which of the following statements reflect the logical and rational inferences that can be drawn…

Directions for the next 3 (three) items: Read the following passage and answer the items that follow. Your answers should be based solely on the passage.

Passage

When SARS-CoV-2 was first detected in 2019, it was a truly novel virus for the world. At that time, no one in the world had been exposed to SARS-CoV-2 or had specific immunity against it. In contrast, people across the world have been exposed to HMPV for decades and the virus is well-studied. HMPV and SARS-CoV-2 belong to two very different virus families with fundamentally different characteristics and epidemiology, with strong seasonality seen in HMPV, unlike SARS-CoV-2. Both viruses cause different severity of symptoms, particularly over the long term, and the affected population segments do not fully overlap. In general, HMPV causes milder illness with deaths being very rare and with no long-term post-viral symptoms.

CSAT 2026 · Q28

Reading comprehension Medium Provisional key

Which of the following statements reflect the logical and rational inferences that can be drawn from the passage?

  1. 1.HMPV has, historically, had longer documentation of studies when compared with SARS-CoV-2.
  2. 2.The two viruses are different from each other and this results in markedly different outcomes amongst those affected.
  3. 3.Long-term impacts of the two viruses are dissimilar and this is an important differentiator between them.
  4. 4.One of the common factors between the two viruses is seasonal specificity.

Select the answer using the code given below.

Answer & explanation

Answer: (b) 1, 2 and 3

HMPV has been known and studied for decades, the two viruses differ in severity and outcomes, and the long-term effects are a clear point of difference. Seasonality is not shared: the passage says strong seasonality is seen in HMPV, unlike SARS-CoV-2.

  • ✓ 1. People have been exposed to HMPV 'for decades and the virus is well-studied', while SARS-CoV-2 was 'truly novel' in 2019.
  • ✓ 2. They 'cause different severity of symptoms'; HMPV causes milder illness with very rare deaths.
  • ✓ 3. Severity differs 'particularly over the long term', and HMPV leaves 'no long-term post-viral symptoms'.
  • ✗ 4. Seasonality is a difference, not a common factor: 'strong seasonality seen in HMPV, unlike SARS-CoV-2'.

Remember · Check 'common factor' claims against contrast words such as 'unlike', 'in contrast', 'whereas'.

Question and answer: UPSC's provisional GS Paper II (2026, Series A) — paper ↗ · answer key ↗. Explanation: Minimalist IAS, checked 30 Sept 2026 (how we verify). ·

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