MDCAT Chemistry Chapter 20 MCQ Test With Answer for (Macromolecules)

he MDCAT Chemistry Chapter 20 MCQ Test with Answers for Macromolecules is an excellent resource for students preparing for the Medical and Dental College Admission Test. This chapter focuses on important macromolecules such as carbohydrates, proteins, lipids, and nucleic acids. Practicing these MCQs helps students understand key concepts, chemical structures, and biological roles of macromolecules. With detailed answers and explanations, this test improves problem-solving skills and boosts confidence for the MDCAT Chemistry exam.

By attempting the MDCAT Chemistry Chapter 20 Macromolecules MCQ Test with Answers , students can identify their strengths and weaknesses in this topic. The test covers frequently asked questions that match the latest MDCAT syllabus and exam pattern. It is designed to help learners revise quickly and retain important facts about biomolecules and their functions. Regular practice of these MCQs ensures better preparation, higher accuracy, and improved performance in the MDCAT Chemistry section.

MCQ's Test For MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

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MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

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Question # 1

Which substance among the following used in points to improve the mechanical properties?

Question # 2

Which of the following is not glyceride

Question # 3

(CH2O)nis general formula for

Question # 4

Choose the crop for which ammonium nitrate is not used:

Question # 5

The elements like calcium nitrogen and phosphorus added into the soil in large amounts are called:

Question # 6

Starch is a polymer of

Question # 7

Molecular mass of PVC is (DP = 1200)

Question # 8

Helical structure of protein is stabilized by

Question # 9

Cotton is an example of

Question # 10

Which one of the following statements about glucose and sucrose is incorrect

Question # 11

Large molecules with high molecular mass formed due to smaller units ae called:

Question # 12

Plastic are pollution problem because many plastics

Question # 13

Biochemical oxygen demand (BOD) is the capacity of organic matter in natural water to consume oxygen with in a period of:

Question # 14

Soap is formed when triglyceride reacts with

Question # 15

Which of these polymers is a synthetic polymer

Question # 16

Which woody raw material is used for the manufacture of paper pulp?

Question # 17

A combination of glucose and fructose is called

Question # 18

Which is unnecessary for purification of water for drinking purpose?

Question # 19

The word polymer is derived from words poly mean many and mer means unit.

Question # 20

The mechanism of polymerization involves free radical addition polymerization or condensation polymerization. Choose the correct statement

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MCAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Surfactants are organic compounds used in detergents which reduce the:
A. viscosity of water
B. surface tension of water
C. boiling points of water
D. surface ability of water
2 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Fives fibre and bulk to the food
D. All of these
3 Sterols, vitamin D and terpenese belong to
A. Simple lipids
B. Complex lipids
C. Derived lipids
D. None
4 Irreversible precipitation of protein caused by heating is called
A. Polymerization
B. Denaturing
C. Inversion
D. Co-angular
5 Vegetable oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained from plants
6 The development of disagreeable odour in fats or oil is called
A. fragrance
B. perfume
C. rancidity
D. smell
7 Which of these polymers is an addition polymer?
A. nylon 6,6
B. polystyrene
C. terylene
D. epoxy resin
8 Fine powder gypsum is mixed with clinker up to:
A. 4%
B. 6%
C. 5%
D. 7%
9 Cholesterol is a precursor of steroid hormones. Choose the class of steroid
A. A carbohydrate
B. A hydrocarbon
C. A natural lipid
D. A protein a hydrocarbon
10 CFCs destroy ozone layer, How many ozone molecule a chlorine free radical can destroy:
A. 50,000
B. 100,00
C. 20,000
D. 10,000

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