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

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

  • Total Questions20

  • Time Allowed20

MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

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Question # 1

Which one of the pollutants of automobile exhausts affects the nervous system or produces mental diseases?

Question # 2

CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy?

Question # 3

In cyclic structure of glucose when the position of atoms on Carbon 1 is altered one isomer changes to other. These isomers of glucose are called

Question # 4

Vegetable oils are:

Question # 5

What element is not essential for the growth of plants and not required in the fertilizers?

Question # 6

The substance used in the soil to provide element.Which are essential for plant growth are known as:

Question # 7

The pH range of the acid rain is:

Question # 8

When equal proportion of DH3_ l and C2H5 ___ l are treated with Na metal in preasence4 of dry ether, the number of possible hydrocarbons obtained will be:

Question # 9

Most complex structure of protein is

Question # 10

Photo chemical smog contains _________ as main reactants:

Question # 11

Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvents. One of the followings is not a lipid. Select among the following

Question # 12

Primary pollutant is that:

Question # 13

Oceans, rivers, streams, lakes, polar ice caps, glaciers and group water reservoirs are included in:

Question # 14

Which of the following statements is incorrect about vitamins

Question # 15

Naturally occuring lipids are called

Question # 16

The energy produced by a carbohydrate is

Question # 17

Enzymes catalyse all biological reactions occuring in the cell. What is true about an enzyme?

Question # 18

Which of the following is not macromolecule?

Question # 19

Most of high molecular mass polymers, used to make plastic rubbers or fibers have molecular masses between:

Question # 20

Detergents are:

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MCAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which of the following activates phosphatase enzyme
A. Ca2+
B. K+1
C. Mg2+
D. Zn2+
2 Fine powder gypsum is mixed with clinker up to:
A. 4%
B. 6%
C. 5%
D. 7%
3 A fibre which is made from acrylonitrile as monomer
A. PVC
B. rayon fibre
C. acrylic fibre
D. polyester fibre
4 A molecule of polysacharide on hydrolysis produces ______ molecules of monosacharide
A. 2 - 10
B. 3
C. 10
D. 2
5 The optimum pH value for the enzyme pepsin is
A. 10
B. 1.4
C. 8
D. 6
6 Which one of the following is a disaccharide?
A. glucose
B. sucrose
C. fructose
D. starch
7 Which fiber contains 85% acrylonitrile by weight:
A. Acrylic fiber
B. Azlon fiber
C. Saran fiber
D. Rayon fiber
8 The pH range of the acid rain is:
A. 6.5 __ 6
B. Less than 5
C. 8 __ 7.5
D. 7 __ 6.5
9 The fibre which contains polymers of vinylidine chloride as fibre forming substance is known as
A. saran fibre
B. nylon
C. polyester
D. acetate fibre
10 Newspaper can be recycled again and again by how many times
A. 5
B. 4
C. 2
D. 3

Test Questions

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