11th Biology Unit 2 New Syllabus MCQs Short and Long

11th Biology Unit 2 Biological Molecules MCQs, short and long questions. All MCQs short and long are according to New Syllabus (accelerated learning program). Download in pdf now.

11th Biology Unit 2 New Syllabus:

First look at the alp smart syllabus of 1st year Biology Unit 2 Biological Molecules.

Introduction to biochemistry. Importance of water, Carbohydrates (excluding the subtopic

“monosaccharide’s”, “oligosaccharides”, “polysaccharides”)

Lipids (excluding the subtopics “acylglycerols”, “waxes”, “phospholipids”, “terpenoids”), Proteins, Structure proteins, Nucleic acids (excluding the subtopics

“DNA” and “RNA”) (Pg. 17-31)


1. Identification of biochemical from biological materials.

2. lodine test for starch

3. Benedict’s test for reducing sugars

4. Millon’s test for Proteins/Biuret test for proteins

5. Sudan III test for fats and oils and emulsion test


Classwork: Fill in the blanks (i, ii), True and false (i), Multiple choice questions (iv)

Homework: Short questions (ii, iv and v), Extensive questions (i, iii)

Some Sample MCQs:

Here are some sample MCQs from chapter 2 of 11th Biology.

The percentage of water in bacterial cell is about:

(BWP. GI, 2014) (LHR. GI, 2016) (AJK. 2018) (MLN. GII, 2019)

(B) 18%

(C) 50%

(C) 70%

Globular proteins differ from fibrous proteins in: (LIR. GI, 2015)

(A) Having amino acids

(B) Their repeating units joined by peptide bond

(C)  Being soluble in aqueous medium

(D) Being non-crystalline

Which of the following kinds of atoms do not occur in the carbohydrates? (FBD. GI, 2014)

(A) Carbon

(B) Hydrogen

(C) Nitrogen

(D) Oxygen

The potential source of chemical energy for cellular activities: (DGK. GI, 2015)

A C-H bond

(B) C-N bond

(C) C-O Bond

(D) C-C bond

The basic element of organic compound is: (AJK. GI, 2016)

(A) Hydrogen

(B) Carbon

(C) Nitrogen

(D) Oxygen

Biology Additional MCQs

The amount of heat absorbed when liquid changes into gas, is expressed as calories

per gram vaporized is called: (LHR. GI, 2016)

(A) Heat Capacity

(B) Specific Heat

C Heat of Vaporization

(D) Latent Heat

Human tissues have 85% water in cells of: (GRW. GII, 2014) (FBD. GI, 2019)

(A) Brain

(B) Bone

(C) Blood

(D) liver

The specific heat of vaporization of water is: (GRW.GI. 2015) (LHR. GI, 2017) (RWP. 2019)

(A) 457 kcal/kg

(B) 574 kcal/kg

(C) 547 kcal/kg

(D) 475 kcal/kg

Carbon is: (GRW. 2014)

(A) Divalent

(B) Trivalent

(C) Monovalent

(D) Tetravalent

The sequence of amino acids in a protein molecule was determined by: (RWP. GI, 2015)

(A) E. Chatton

(B) F. Meischer

(0) F. Sanger

(D) J. Watson

Our blood normally contains glucose. (MLN. GI, RWP. GI, 2014) (MLN. GI, 2019)

(A) 0.6%

(B) 0.8 %

(C) 0.06%

(D) 0.08%

The chief form of carbohydrates stored in animal body is: (SGD. GII, 2014)

(A) Starch

(B) Glycogen

(C) Cellulose

(D) Glucose

Most of cellular secretions are in nature: (SGD. GI, 2016) (MLN. GI, 2018)

(A) Proteins

(B) Lipids

(C) Carbohydrates

(D) Glycoproteins

Which one of the following is not a lipid? (SWL. GI, 2016)

(A) Rubber

(B) Chitin

(C) Cutin

(D) Cholesterol

The alpha chain of haemoglobin has amino acids: (FBD. GI, 2017)

(A) 174

(B) 171

© 141

(D) 146

The most abundant rganic compound in mammalian cell: (FBG, GI, 2015)

(A) Water

(B) Proteins

(C) Carbohydrates

(D) Lipids

Substances, which on hydrolysis, yield polyhydroxy aldehyde or ketone sub-units:

(MLN. 2016) (MLN. 2017)

(A) Acylglycerol

(B) Polypeptides

© Carbohydrates

(D) Nucleic acids

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