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

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MDCAT Chemistry Chapter 20 Macromolecules MCQ's Test

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Question # 1

Iodine value of an oil or fat may be defined as

Question # 2

In Pakistan consumption per person is:

Question # 3

During the manufacturing process of cement the temperature of the decomposition zone goes up to:

Question # 4

Polymer formed by the combining of three different monomers is called:

Question # 5

Which of the following brings about the conversion of starch into maltose?

Question # 6

If a polymer has mass 63000, and the molar mass of repeating unit is 63 what is its degree of polymerization is

Question # 7

The substance added to the soil to provide one or more nutrient elements which are necessary plant growth are known as:

Question # 8

Carbohydrate that cannot be digested by human digestive system is

Question # 9

Monomer for acrylic resins is

Question # 10

A fat with 18 carbon & no double bond will be

Question # 11

Terylen fibre is made by reaction of terephthalic acid with

Question # 12

Cholesterol is a precursor of steroid hormones. Choose the class of steroid

Question # 13

Which of the following statements is incorrect about vitamins

Question # 14

The composition mixture of clay and lime stone in a raw material is:

Question # 15

Which is unnecessary for purification of water for drinking purpose?

Question # 16

The simplest separating unit of a polymer is called:

Question # 17

Silk is an example of:

Question # 18

Dichlorodifluoromethane, CC/2F2 has been used in aeroso propellants and as a refrigerant.
Which statement helps to explain why dichlorodifluromethane is chemically inert ?

Question # 19

Which of the following activates phosphatase enzyme

Question # 20

Sponification number of a fat which requires 178,000 mg of KOH for saponification is (mol wt = 1240)

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MCAT Chemistry Chapter 20 Important MCQ's

Sr.# Question Answer
1 Which one of the pollutants of automobile exhausts affects the nervous system or produces mental diseases?
A. NO2
B. SO2
C. Hg
D. Pb
2 In which of these processes are small organic molecules made into macro-molecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
3 One gram of carbohydrate yields energy
A. 10 kcal
B. 100 kcal
C. 4 kcal
D. 9 kcal
4 Large molecules with high molecular mass formed due to smaller units ae called:
A. polymer
B. macromolecule
C. micromolecule
D. a & b
5 The elements like calcium nitrogen and phosphorus added into the soil in large amounts are called:
A. basic elements
B. trace elements
C. additives
D. nutrient element
6 Substances that tend to decrease the activity of enzymes are called:
A. coenzymes
B. activators
C. inhibitors
D. apoenzyme
7 Choose the difference between natural and synthetic fertilizers:
A. shapes
B. usage
C. crop application
D. raw material
8 Digestion of carbohydrates begins in the
A. large intestine
B. Small intestine
C. Duoderium
D. Buccal cavity / mouth
9 Which of the following brings about the conversion of starch into maltose?
A. maltase
B. zymase
C. diastase
D. invertase
10 Silk is the example of:
A. mineral fiber
B. vegetable fiber
C. animal fiber
D. none of above

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