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	The gasses in the atmosphere are essential for sustaining life on earth; Thus oxygen is required for breathing, What for is carbon dioxide required?	A. to help plant to under go photosynthesis B. to destroy nitrogen oxide form the atmosphere C. to help to clean to atmosphere D. to help in fixing of bacteria
2	Which of the following is not an inorganic macromolecule	A. Graphite B. Sand C. Strach D. Diamond
3	Iodine value of an oil or fat may be defined as	A. the number of grams of iodine taken up by 1 g of the oil or fat B. the number of grams if iodine taken by 10 g of the oil or fat C. the number of grams of iodine taken by 100 g of the oil or fat D. none of the above
4	The structure of a polymer depends upon how the monomer-repeating unit joins to make a polymer. What is not the type of structure of a polymer	A. Synthetic polymer B. Linear polymer C. Branched D. Cross linked or inter connected polymer
5	Denaturation of protein means the structure of protein is distrupted. indicate which factor does not denature protein	A. heating protein B. pH changes C. oxidising agent D. keeping pH 7.35
6	In the body, carbohydrates are broken down into	A. Glucose B. Fatty acids C. Amino acids D. Nucleic acid
7	Monosaccharides belong to the group	A. lipids B. fats C. proteins D. carbohydrates
8	Enzymes catalyse all biological reactions occuring in the cell. What is true about an enzyme?	A. Enzyme is a small molecule B. Enzyme is acidic in nature C. Enzyme is a protein D. Enzyme is a lipid
9	Which three element are needed for the health growth of plants:	A. S,S,P B. N,Ca,P C. N,P,K D. N,K,C
10	A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called	A. Fibre B. Plastic C. Varnish D. Polyamide resin

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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 correct statement about cellulose

The optimum pH value for the enzyme pepsin is

The fibre which is made from acrylonitrile as monomer:

The structure of a polymer depends upon how the monomer-repeating unit joins to make a polymer. What is not the type of structure of a polymer

organic synthetic or man made polymers are plastics, rubber and fibre, Which is not a synthetic polymer

The primary building blocks of lipids are

One gram of carbohydrate yields energy

(CH2O)nis general formula for

betta-D-glucose is a monomer for

Which of the following is obtained by the hydrolysis of starch in the presence of diastase enzyme

Cholesterol is an important precursor in the biosynthesis of

Which of the following folymer is used as binder

Sterols, vitamin D and terpenese belong to

Water soluble component of starch is

Which is not an enzyme

The main source of natural fibre is

Which of the following is not glyceride

Optimum temperature for enzyme activity is

Macromolecules or polymers are large molecules built up from small molecules known as monomers. This hypothesis put forward by

A nucleoside may be

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MCAT Chemistry Chapter 20 Important MCQ's

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(CH₂O)_nis general formula for