MDCAT Chemistry Chapter 20 online mcq test with answers for chapter 20 (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.

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MCAT Chemistry Chapter 20 Important MCQ's

Sr.#	Question	Answer
1	Cotton is __________ % cellulose	A. 90 B. 100 C. 99 D. 30
2	Nucleic acid fist descovered in	A. 1868 B. 1869 C. 1900 D. 1905
3	Ketones are less reactive than aldehydes because:	A. alkyl groups electorn donation B. steric hindrance is greater in ketone C. both a and b D. ketones are non-polar
4	The molecular mass of a polymer is obtained by multiplying mass of the monomer unit the degree of polymerization. The degree of polymerization of PVC is 1000. What is molecular mass	A. 65000 B. 63000 C. 62000 D. 60000
5	Cholesterol is an important precursor in the biosynthesis of	A. Adrenal hormones B. Sex hormones C. Vitamin-D D. All of these
6	Choose an addition polymer among the following	A. Terylone B. Nylon 6, 6 C. Polystyrene D. Epoxy resin
7	How many fertilizer plants are now in Pakistan?	A. 20 B. 14 C. 12 D. 10
8	Properties of polymeric material depends upon	A. Chemical composition B. Structure of molecule C. Boiling point D. Both A and B
9	In the body, carbohydrates are broken down into	A. Glucose B. Fatty acids C. Amino acids D. Nucleic acid
10	Purines include	A. Adenine B. Guanine C. Both a and b D. None

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

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

MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

Which of the following is incorrect for glucose & sucrose

Which one of the following is water soluble vitamin?

Protein may have

The three dimensional folding and twisting of a polypeptide chain give rise to

Methyl mercaptan, CH3SH, is one of the substances responsible for bad breath and is often used to impart a smell to natural gas in a pipeline.What will be formed when CH3SH is burned in an excess of air?

The nitrogen present in some fertilizer helps plants:

Which one of the following is a disaccharide?

Which of the following is an addition polymer

Helical structure of protein is stabilized by

Which one of following elements is not present in all proteins?

Each of the following compounds is effective as a refrigerant.The release of which one of these cause the greatest depletion of the ozone layer?

Monosaccharides adn oligosacchardies are generally called as

Raffinose is a trisacharirde composed of monosaccharide is

Which one of the following is used as coagulant for purification potable water:

Surfactants are organic compounds used in detergents which reduce the:

Large molecule formed by combination of smaller units these smaller units are called:

Polymerisation of vinyl acetate is a type of:

Which one of the following is co-polymer

Which of the following folymer is used as binder

The high molecular weight materials which yield on hydrolysis the amino acids is called:

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MCAT Chemistry Chapter 20 Important MCQ's

Test Questions

Share your comments & questions here

Methyl mercaptan, CH₃SH, is one of the substances responsible for bad breath and is often used to impart a smell to natural gas in a pipeline.
What will be formed when CH₃SH is burned in an excess of air?

Each of the following compounds is effective as a refrigerant.
The release of which one of these cause the greatest depletion of the ozone layer?