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DUHS MDCAT Past Papers Biology Chap No 3 MCQs Test 1
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DUHS MDCAT Past Papers Biology Chap No 3 MCQs Test 1

Practice DUHS MDCAT 2026 Past Papers Biology MCQs from Chap No 3. Get instant results with Explanation.
Practice Quiz 1 for "Chap No 3" (Biology). Total 23 MCQs available, split into 3 quizzes. Start with the fundamentals and build a strong base. Mastering these concepts is essential for securing a high percentile in DUHS MDCAT.
General10 MCQs
1. If the co-factor is tightly, permanently and covalently bonded to enzyme then it is called:
2. The view that active site of enzyme is flexible and when a substrate combines with it, it causes change in enzyme structure is known as:
3. Zinc ion is attached at the active site of the enzyme carboxypeptidase. The zinc ion functions as:
4. The catalytic activity of an enzyme is restricted to its small portion
5. Lock and key model for enzyme action proposed by Emil fischer suggests that:
General10 MCQs
6. Select a regulatory enzyme:
7. All of the following are the postulates of lock and key model, EXCEPT?
8. Enzymes are __________ in nature
9. What alters the shape of enzymes and makes them functional?
10. Which of the following is true about ATP?

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DUHS MDCAT Past Papers

Conducting Body: PMDC through provincial Universities
Frequency: Annual | Time: 180 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 200 MCQs):

Merit Formula: Typically, the aggregate is calculated as: (MDCAT × 50%) + (FSc × 40%) + (Matric × 10%). However, the respective medical or dental college may revise its merit calculation formula or admission criteria from time to time. Please confirm the official criteria before applying.

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