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MDCAT DUHS Past Papers Biology Chap No 3 Free Quiz 1
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MDCAT 2026 DUHS Past Papers Biology Chap No 3 Free Quiz 1
Practice MDCAT 2026 DUHS 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. These concepts are fundamental for MDCAT and frequently appear in the exam. Pay extra attention to the underlying principles, as these MCQs are often tricky.
General5 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:
General5 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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MDCAT

Conducting Body: PM&DC through Provincial Universities
Frequency: Annual | Time: 180 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 180 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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