12th Class Chemistry Chapter 14 MCQs with Answers

Welcome to the 12th Class Chemistry Chapter 14 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 12th Class Chemistry Chapter 14 Macromolecules.

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12th Class Multiple Choice Question Chapter 14 with Answers Free PDF

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Grade 12 Chemistry Chapter 14 Online Quiz

By presenting 3 options to choose from, 12th Class Chapter 14 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 12th Class Questions and Answers and click over the correct answer.

• Test Name: 12th Class Chemistry Chapter 14 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

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12th Class Chemistry Chapter 14: Macromolecules

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1 / 40

What is the function of DNA in living organisms?

Storing genetic information

Providing energy

Catalyzing reactions

2 / 40

What is the function of enzymes in living organisms?

Catalyzing biochemical reactions

Storing genetic information

Providing energy

3 / 40

What is the function of lipids in cell membranes?

Catalyzing reactions

Providing structural support

Facilitating transport

4 / 40

What is the primary function of carbohydrates?

Providing energy

Building cell membranes

Supporting immune system

5 / 40

Which macromolecule functions as energy storage in the body?

Proteins

Lipids

Carbohydrates

6 / 40

What is the sugar found in RNA?

Deoxyribose

Glucose

Ribose

7 / 40

Which macromolecule is composed of chains of amino acids linked by peptide bonds?

Lipids

Carbohydrates

Proteins

8 / 40

What is the function of nucleic acids in cells?

Building cell membranes

Storing genetic information

Providing energy

9 / 40

What is the main function of lipids in cell membranes?

Providing a barrier

Catalyzing reactions

Storing energy

10 / 40

What is the sugar found in DNA?

Ribose

Glucose

Deoxyribose

11 / 40

Which macromolecule provides structural support to cells and tissues?

Proteins

Lipids

Carbohydrates

12 / 40

Which macromolecule includes fats, oils, and waxes?

Proteins

Carbohydrates

Lipids

13 / 40

Which macromolecule forms the major component of cell walls in plants?

Carbohydrates

Proteins

Lipids

14 / 40

What is the main structural component of cell membranes?

Proteins

Cholesterol

Phospholipids

15 / 40

Which macromolecule provides quick energy to cells?

Proteins

Carbohydrates

Lipids

16 / 40

Which macromolecule serves as a precursor to steroid hormones?

Carbohydrates

Lipids

Proteins

17 / 40

What is the function of carbohydrates in animal cells?

Storing genetic information

Building cell structures

Providing energy

18 / 40

What is the function of carbohydrates in plant cells?

Providing structural support

Energy storage

Enzyme production

19 / 40

Which macromolecule serves as a long-term energy storage in animals?

Lipids

Carbohydrates

Proteins

20 / 40

What is the function of lipids in hormone synthesis?

Precursor to steroid hormones

Providing energy

Building cell membranes

21 / 40

Which macromolecule is involved in the regulation of metabolic activities?

Lipids

Carbohydrates

Proteins

22 / 40

What is the function of proteins in oxygen transport?

Providing energy

Building cell membranes

Binding and carrying oxygen

23 / 40

What is the building block of proteins?

Amino acids

Monosaccharides

Nucleotides

24 / 40

Which macromolecule is primarily involved in heredity and genetic information transfer?

Lipids

Nucleic acids

Proteins

25 / 40

Which macromolecule is responsible for storing and transmitting genetic information in cells?

Carbohydrates

Nucleic acids

Lipids

26 / 40

What is the function of proteins in living organisms?

Providing energy

Storing genetic information

Catalyzing reactions

27 / 40

What is the function of proteins in hormone signaling?

Regulating metabolic activities

Building cell membranes

Providing energy

28 / 40

Which macromolecule is made up of long chains of amino acids?

Proteins

Lipids

Carbohydrates

29 / 40

What type of bond holds amino acids together in proteins?

Covalent bonds

Peptide bonds

Ionic bonds

30 / 40

Which macromolecule is involved in the synthesis of cell membranes?

Carbohydrates

Lipids

Proteins

31 / 40

What is the function of lipids in living organisms?

Insulation

Hormone regulation

Long-term energy storage

32 / 40

Which macromolecule is composed of nucleotides?

Lipids

Nucleic acids

Proteins

33 / 40

Which nucleic acid carries genetic information?

DNA

Both DNA and RNA

RNA

34 / 40

Which macromolecule plays a crucial role in immune response and defense mechanisms?

Carbohydrates

Lipids

Proteins

35 / 40

Which macromolecule is composed of nucleotides?

Proteins

Carbohydrates

Nucleic acids

36 / 40

Which macromolecule is composed of long chains of sugar molecules?

Lipids

Proteins

Carbohydrates

37 / 40

What is the function of carbohydrates in living organisms?

Storing genetic information

Providing energy

Building cell structures

38 / 40

Which macromolecule is involved in the transport of oxygen in blood?

Proteins

Lipids

Carbohydrates

39 / 40

What is the main function of RNA in cells?

Building cell walls

Translating genetic information

Storing energy

40 / 40

What is the function of proteins in cell membranes?

Transporting molecules

Providing energy

Catalyzing reactions

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