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UPSC 2001: Match List I with List II and select the correct answer using the codes given below the Lists: List I (Substance) I. Ptyalin II. Pepsin III. Renin IV. Oxytocin List II (Physiological role) A) Converts angiotensinogen in blood into angiotensin B) Digests starch C) Digests proteins D) Hydrolyses fats E) Induces contraction of smooth muscles
(a)I-B, II-C, III-A, IV-E
(b)I-C, II-D, III-B, IV-E
(c)I-B, II-C, III-E, IV-A
(d)I-C, II-A, III-B, IV-D
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Not attemptedCorrect Answer: (a) I-B, II-C, III-A, IV-E
Ptyalin (salivary amylase) digests starch (I-B); Pepsin is a gastric enzyme that digests proteins (II-C); Renin (kidney enzyme) converts angiotensinogen to angiotensin for blood-pressure regulation (III-A); Oxytocin causes smooth-muscle/uterine contraction (IV-E). None of the other option-sets matches all four correct pairings. ([licchavilyceum.com](https://licchavilyceum.com/upsc-civil-services-prelims-2001-solved-question-paper/?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2001 Science & Technology question?▼
The correct answer is option (a): I-B, II-C, III-A, IV-E. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Biology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2001, GS Paper 1, as Question 138. It falls under Science & Technology > Biology.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Biology?▼
UPSC has asked 97 questions from Biology (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.