IGCSE A Level Chemistry Certification MCQs – Practice Test 3 (Chapter 7)

Chemistry of Life Quiz with Answers PDF Download – Test 3

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Chemistry of Life Exam Questions and Answers PDF Download: Test 3

MCQ 11: The genetic material DNA is found in:

Cytoplasm
Ribosome
Mitochondria
Nucleus

MCQ 12: Consider the reaction: (NH₂)₂CO + H₂O → NH₃ + CO₂. The reaction is catalyzed by the enzyme:

amylase
protease
urease
galactose

MCQ 13: In cells, amino acids used to build proteins are:

MCQ 14: Of the given series of actions, action performed first is the:

substrate diffuses to the active site
enzyme-substrate complex is binded
amino acids may acts as nucleophiles
products diffuse away from the active site

MCQ 15: Enzyme activity refers to the number of:

moles of enzymes converted to product per minute
moles of substrate converted to product per minute
substrate molecules reacted per enzyme per minute
enzyme reacted on substrate molecule per minute

IGCSE A Level Chemistry Quiz App & e-Book – Chemistry of Life Certification Guide

Group IV MCQs

Electrons in Atoms MCQs

Periodicity MCQs

Organic and Nitrogen Compounds MCQs

Chemical Bonding MCQs

Carbonyl Compounds MCQs

Introduction to Organic Chemistry MCQs

Chemistry of Life MCQs

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