CBSE Class 11 Biology Biomolecules Assignments

Read and download free pdf of CBSE Class 11 Biology Biomolecules Assignments. Get printable school Assignments for Class 11 Biology. Class 11 students should practise questions and answers given here for Chapter 9 Biomolecules Biology in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Biology prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 11 Biology Chapter 9 Biomolecules

Class 11 Biology students should refer to the following printable assignment in Pdf for Chapter 9 Biomolecules in Class 11. This test paper with questions and answers for Class 11 Biology will be very useful for exams and help you to score good marks

Chapter 9 Biomolecules Class 11 Biology Assignment

CBSE Class 11 Biology Biomolecules Concepts. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the assignments to their children for practice.
 
CBSE Class 11 Biology Biomolecules Concepts
 
 
 
Important Questions for NCERT Class 11 Biology Biomolecules

Ques. Identify the basic amino acid from the following.
(a) Tyrosine (b) Glutamic Acid
(c) Lysine (d) Valine 

Answer: C


Ques. The two functional groups characteristic of sugars are
(a) hydroxyl and methyl
(b) carbonyl and methyl
(c) carbonyl and phosphate
(d) carbonyl and hydroxyl. 

Answer: D


Ques. A typical fat molecule is made up of
(a) one glycerol and one fatty acid molecule
(b) three glycerol and three fatty acid molecules
(c) three glycerol molecules and one fatty acid molecule
(d) one glycerol and three fatty acid molecules.

Answer: D


Ques. A phosphoglyceride is always made up of
(a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(b) a saturated or unsaturated fatty acid esterified to a phosphate group which is also attached to a glycerol molecule
(c) only a saturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
(d) only an unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached. 

Answer: A


Ques. Uridine, present only in RNA is a
(a) nucleoside (b) nucleotide
(c) purine (d) pyrimidine.

Answer: A


Ques. Which one of the following biomolecules is correctly characterized?
(a) Lecithin-a phosphorylated glyceride found in cell membrane.
(b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms.
(c) Adenylic acid - adenosine with a glucose phosphate molecule.
(d) Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.

Answer: A


Ques. About 98 percent of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen and
(a) sulphur and magnesium
(b) magnesium and sodium
(c) calcium and phosphorus
(d) phosphorus and sulphur. 

Answer: D


Ques. Which of the following is the simplest amino acid?
(a) Alanine (b) Asparagine
(c) Glycine (d) Tyrosine 

Answer: A


Ques. The major role of minor elements inside living organisms is to act as
(a) co-factors of enzymes
(b) building blocks of important amino acids
(c) constituent of hormones
(d) binder of cell structure. 

Answer: A


Ques. Lipids are insoluble in water because lipid molecules are
(a) hydrophilic (b) hydrophobic
(c) neutral (d) zwitter ions. 

Answer: B


Ques. Spoilage of oil can be detected by which fatty acid?
(a) Oleic acid (b) Linolenic acid
(c) Linoleic acid (d) Erucic acid. 

Answer: D


Ques. Essential amino acid is
(a) phenylalanine (b) glycine
(c) aspartic acid (d) serine.

Answer: A


Ques. What are the most diverse molecules in the cell?
(a) Lipids (b) Mineral salts
(c) Proteins (d) Carbohydrates 

Answer: C


Ques. The four elements that make up 99% of all elements found in a living system are
(a) C, H, O and P (b) C, N, O and P
(c) H, O, C and N (d) C, H, O and S.

Answer: C


Ques. Amino acids are mostly synthesised from
(a) mineral salts (b) fatty acids
(c) volatile acids (d) α-ketoglutaric acid.

Answer: D


Ques. Living cell contains 60 – 95% water. Water present in human body is
(a) 60 – 65% (b) 50 – 55%
(c) 75 – 80% (d) 65 – 70%. 

Answer: D


Ques. Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their
(a) nutritive value (b) growth response
(c) defence action (d) effect on reproduction.

Answer: C


Ques. Concanavalin A is
(a) a pigment (b) an alkaloid
(c) an essential oil (d) a lectin. 

Answer: D


Ques. Which one of the following is the most abundant protein in the animals?
(a) Haemoglobin (b) Collagen
(c) Lectin (d) Insulin 

Answer: B


Ques. Which of the following glucose transporters is insulin-dependent?
(a) GLUT IV (b) GLUT I
(c) GLUT II (d) GLUT III 

Answer: A


Ques. Which one is the most abundant protein in the animal world?
(a) Trypsin (b) Haemoglobin
(c) Collagen (d) Insulin 

Answer: C


Ques. Which of the following have carbohydrate as prosthetic group?
(a) Glycoprotein (b) Chromoprotein
(c) Lipoprotein (d) Nucleoprotein 

Answer: A


Ques. Which one of the following statements is wrong?
(a) Uracil is a pyrimidine.
(b) Glycine is a sulphur containing amino acid.
(c) Sucrose is a disaccharide.
(d) Cellulose is a polysaccharide. 

Answer: B


Ques. The chitinous exoskeleton of arthropods is formed by the polymerisation of
(a) N - acetyl glucosamine
(b) lipoglycans
(c) keratin sulphate and chondroitin sulphate
(d) D - glucosamine. 

Answer: A


Ques. Which one of the following is a non - reducing carbohydrate?
(a) Maltose (b) Sucrose
(c) Lactose (d) Ribose 5-phosphate

Answer: B

 
 
 
Please click the link below to download CBSE Class 11 Biology Biomolecules Assignments

Chapter 05 Morphology of Flowering Plants
CBSE Class 11 Biology Morphology of Flowering Plants Assignments
Chapter 06 Anatomy of Flowering Plants
CBSE Class 11 Biology Anatomy of Flowering Plants Assignments
Chapter 07 Structural Organisation in Animals
CBSE Class 11 Biology Structural Organisation in Animals Assignments
Chapter 10 Cell Cycle and Cell Division
CBSE Class 11 Biology Cell Cycle and Cell Division Assignments
Chapter 13 Photosynthesis in Higher Plants
CBSE Class 11 Biology Photosynthesis in Higher Plants Assignments
Chapter 15 Plant Growth and Development
CBSE Class 11 Biology Plant Growth and Development Assignments
Chapter 17 Breathing and Exchange of Gases
CBSE Class 11 Biology Breathing and Exchange of Gases Assignments
Chapter 18 Body Fluids and Circulation
CBSE Class 11 Biology Body Fluids and Circulation Assignments
Chapter 19 Excretory Products and their Elimination
CBSE Class 11 Biology Excretory Products and Their Elimination Assignments
Chapter 21 Neural Control and Coordination
CBSE Class 11 Biology Neural Control and Coordination Assignments
Chapter 22 Chemical Coordination and Integration
CBSE Class 11 Biology Chemical Coordination and Integration Assignments

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CBSE Class 11 Biology Chapter 9 Biomolecules Assignment

We hope you liked the above assignment for Chapter 9 Biomolecules which has been designed as per the latest syllabus for Class 11 Biology released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Biology regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 Biology practice sheet in Pdf. All questions have been designed for Biology by looking into the pattern of problems asked in previous year examinations. 

Assignment for Biology CBSE Class 11 Chapter 9 Biomolecules

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Chapter 9 Biomolecules Assignment Biology CBSE Class 11

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Chapter 9 Biomolecules Assignment CBSE Class 11 Biology

Regular assignment practice helps to get a more comprehensive understanding of Chapter 9 Biomolecules concepts. Assignments play a crucial role in understanding Chapter 9 Biomolecules in CBSE Class 11. Students can download all the assignments of the same chapter in Class 11 Biology in Pdf format. You can print them or read them online on your computer or mobile.

CBSE Biology Class 11 Chapter 9 Biomolecules Assignment

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