The Punjab 11th Class Biology Chapter 2 Biological Molecules MCQs Test Online is a thorough online exam created to evaluate students’ comprehension and mastery of the ideas covered in Chapter 2 of the 11th grade biology curriculum in Punjab, Pakistan. The biological molecules that make up living things and serve as their fundamental building blocks are the subject of this MCQs exam. Students can assess how well they understand important ideas like carbohydrates, proteins, lipids, nucleic acids, and enzymes by taking this test. Students can test their knowledge, find areas that need more research, and improve their comprehension of biological molecules using the easy and engaging platform offered by the online format. Punjab 11th Class Biology Chapter 2 Biological Molecules Mcqs Test is a useful program for improving students’ biology knowledge and getting them ready for exams .

Punjab 11th Class Biology Chapter 2 Biological Molecules Mcqs Test Online Solved With Right Answers

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Question 1 of 15

Biology

1. Glycolipids and lipoprotein are important components of

Cell wall

Cellular membrane

Both of them

None of them

Question 1 of 15

Question 2 of 15

2. An amino acid molecule has the following structure:

Which two of the groups combine to form a peptide link between two amino acids?

1 and 2

1 and 3

2 and 4

2 and 3

Question 2 of 15

Question 3 of 15

3. Which term includes all others?

Carbohydrate

Monosaccharide

Polysaccharide

Starch

Question 3 of 15

Question 4 of 15

4. The ending–ose means a substance is a

Sugar

Lipid

Nucleic acid

Protein

Question 4 of 15

Question 5 of 15

5. A fatty acid is unsaturated if it:

Contains double bonds

Contains an acid group

All of them

Contains hydrogen

Question 5 of 15

Question 6 of 15

6. A polar molecule is ………………… in water

Reactive

Insoluble

Soluble

Inert

Question 6 of 15

Question 7 of 15

7. What if the theoretical number of chemically different dipeptides that may be assembled from two different amino acids?

Four

Two

One

Three

Question 7 of 15

Question 8 of 15

8. Which class of molecule is the major component of cell membrane?

Phospholipid

Triglyceride

Wax

Cellulose

Question 8 of 15

Question 9 of 15

9. In RNA the nitrogen base that takes the place of thymine is

Adenine

Guanine

Cytosine

Uracil

Question 9 of 15

Question 10 of 15

10. When two amino acids are linked to from peptide linkage ………… is removed

Water

Hydroxyl

Carbon

Nitrogen

Question 10 of 15

Question 11 of 15

11. Estrogen, vitamin-D and cholesterol are all examples of

Glycolipids

Steroids

Terpenes

Lipoproteins

Question 11 of 15

Question 12 of 15

12. Glycerol is the backbone molecule for

ATP

Neutral lipids

Terpenes

Steroids

Question 12 of 15

Question 13 of 15

13. Which statement correctly describes a property of water?

 

Water acts as solvent for nonpolar molecules

At normal room temperature, its molecules are bound together by ionic bonds

A relatively large amount of heat is needed to increase its temperature

The highest density of water occurs below its freezing point

Question 13 of 15

Question 14 of 15

14. The enantiomer of D-glucose is:

None of these

D-galactose

L-galactose

Both of theme

Question 14 of 15

Question 15 of 15

15. Choose the pair of terms that correctly completes this sentence: Nucleotide are to ……….. as ………….. are to proteins.

Amino acids; polypeptides

Nucleic acids; amino acids

Polymers; polypeptides

Glycosidic linkages; polypeptide linages

Question 15 of 15

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Punjab 11th Class Biology Chapter 2 Biological Molecules

The fundamental ideas of biological molecules are introduced in the chapter “Biological Molecules” of the Punjab  Board’s for 11th grade. Living organisms are composed of biological molecules. They are in charge of the composition, operation, and metabolism of all living things .The definition of biological molecules and their various sorts opens the chapter. The composition and purposes of lipids, proteins, carbohydrates, and nucleic acids are next covered. The function of biological molecules in metabolism is also covered in this chapter. The chapter’s discussion of the significance of biological molecules in living things comes to a close.

The following are some of the major ideas presented in the chapter:

• Animal molecules
• Carbohydrates
• Lipids
• Proteins
• Genetic material
• Metabolism
• biological molecules’ significance to living things

Punjab 11th Class Biology Chapter 2 Mcqs Test Online

 Students can take the Punjab 11th Class Biology Chapter 2 MCQs Test Online on our site. This gives them a quick and easy way to see how well they understand the ideas in this chapter. This online test is based on Chapter 2 of the 11th-grade biology program in Punjab, Pakistan. It focuses on the topics and subtopics in that chapter. By taking this multiple-choice test, students can see how well they understand important ideas about biological elements, such as carbohydrates, proteins, lipids, nucleic acids, and enzymes. With the online format, students can easily take the test, move through the multiple-choice questions, and get immediate feedback on how they did. This online MCQs test is a great way for students in Punjab’s 11th-grade biology study to test their knowledge, find out where they need to improve, and prepare well for their exams.

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