CBSE Class 11 Biology Biomolecules MCQs Set B

Refer to CBSE Class 11 Biology Biomolecules MCQs Set B provided below available for download in Pdf. The MCQ Questions for Class 11 Biology with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Chapter 9 Biomolecules Class 11 MCQ are an important part of exams for Class 11 Biology and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 11 Biology and also download more latest study material for all subjects

MCQ for Class 11 Biology Chapter 9 Biomolecules

Class 11 Biology students should refer to the following multiple-choice questions with answers for Chapter 9 Biomolecules in Class 11.

Chapter 9 Biomolecules MCQ Questions Class 11 Biology with Answers

Question : Two free ribonucleotide units are interlinked with 
a) peptidebond
b) covalent bond
c) hydrogen bond
d) phosphodiester bond

Question : Most diverse macromolecules, found in the cell both physically and chemically are
a) proteins
b) carbohydrates
c) nucleic acids
d) lipids

Question : The nitrogenous organic base purine occurring in RNA is 
a) cytosine
b) thymine
c) guanine
d) uracil
 
Question : In which one of the following groups, all the three are examples of polysaccharides?
a) Starch, glycogen, cellulose
b) Sucrose, maltose, glucose
c) Glucose, fructose, lactose
d) Galactose, starch, sucrose
 
Question : What is common among amylase, rennin and trypsin? 
a) These are all proteins
b) These are proteolytic enzymes
c) These are produced in stomach
d) These act at a pH lower than 7
 
Question : Cofactor (coenzyme) is a part of holoenzyme it is 
a) loosely attached inorganic part
b) accessory non-protein substance attached firmly
c) loosely attached organic part
d) None of the above
 
Question : Genes are packaged into a bacterial chromosome by 
a) histones
b) basic proteins
c) acidic proteins
d) actin
 
Question : The RNA that picks up specific amino acids from the amino acid pool in the cytoplasm to ribosome during protein synthesis is called
a) mRNA
b) tRNA
c) rRNA
d) carrier RNA
 
Question : Protein synthesis in an animal cell takes place 
a) only in the cytoplasm
b) in the nucleolus as well as in cytoplasm
c) in cytoplasm as well as in mitochondria
d) only on ribosomes attached to the nuclear envelope
 
Question : DNA synthesis can be specifically measured by estimating the incorporation of radio labelled 
a) uraci
b) adenine
c) thymidine
d) deoxyribose sugar
 
Question : Lactose is composed of
a) glucose + glucose
b) glucose + fructose
c) fructose + galactose
d) glucose + galactose
 
Question : Radioactive thymidine when added to the medium surrounding living mammalian cells gets incorporated into the newly synthesized DNA. Which of the following types of chromatin is expected to become radioactive if cells are exposed radioactive thymidine as soon as they enter the S-phase?
a) Heterochromatin
b) Euchromatin
c) Both a) and b)
d) Neither heterochromatin nor euchromatin but only the nucleolus
 
Question : Cellulose, the most important constituent of plant cell wall is made of
a) unbranched chain of glucose molecules linked by α 1, 4 glycosidic bond
b) branched chain of glucose molecules linked by β 1, 4 glycosidic bond in straight chain and α 1,6 glycosidic bond at the site of branching
c) unbranched chain of glucose molecules linked by β 1, 4 glycosidic bond
d) branched chain of glucose molecules  linked by  α 1, 6 glycosidic bond at the site of branching
 
Question : Which one of the following statements about cytochrome 450 is wrong? 
a) It contains iron
b) It is a coloured cell
c) It has an important role in metabolism
d) It is an enzyme involved in oxidation reactions
 
Question : Which is an essential amino acid? 
a) Serine
b) Aspartic acid
c) Glycine
d) Phenylalanine
 
Question : ATP is a 
a) nucleotide
b) nucleosome
c) nucleoside
d) purine
 
Question : Conjugated proteins containing carbohydrates as prosthetic group are known as
a) chromoproteins
b) glycoproteins
c) lipoproteins
d) nucleoproteins
 
Question : Enzymes are absent in 
a) algae b) fungi
c) cyanobacteria
d) viruses
 
Question : Enzymes enhance the rate of reaction by 
a) forming a reactant-product complex
b) changing the equilibrium point of the reaction
c) combining with the product as soon as it is formed
d) lowering the activation energy of the reaction
 
Question : Feedback inhibition of an enzymatic reaction is caused by
a) end product
b) substrate
c) enzyme
d) rise in temperature
 
Question : Length of one turn of the helix in a B-form DNA is approximately 
a) 3.4 nm
b) 2nm
c) 0.34 nm
d) 20 nm
 
Question : The transfer RNA molecule in 3D appears 
a) L-shaped
b) E-shaped
c) Y-shaped
d) S-shaped
 
Question : One of the similarities between DNA and RNA is that both 
a) are polymers of nucleotides
b) are capable of replicating
c) have similar sugars
d) have similar pyrimidine bases
 
Question : Due to discovery of which of the following in 1980 the evolution was termed as RNA world? 
a) mRNA, tRNA, rRNA synthesize proteins
b) In some virus RNA is genetic material
c) RNA have enzymatic property
d) RNA is not found in all cells
 
Question : Cytochrome is 
a) metallo flavoprotein
b) Fe containing porphyrin pigment
c) glycoprotein
d) lipid
 
Question : Types of RNA polymerase required in nucleus for RNA synthesis 
a) 1
b) 2
c) 3
d) 4
 
Question : Spoilage of oil can be detected by which fatty acid? 
a) Oleic acid
b) Linolenic acid
c) Linoleic acid
d) Erucic acid
 
Question : In plants, inulin and pectin are 
a) reserve materials
b) wastes
c) excretory material
d) insect-attracting material
 
Question : Enzyme first used for nitrogen fixation is 
a) nitrogenase
b) nitroreductase
c) transferase
d) transaminase
 
Question : Most abundant organic compound on earth is 
a) protein
b) cellulose
c) lipids
d) steroids
 
Chapter 01 The Living World
CBSE Class 11 Biology The Living Organism MCQs
CBSE Class 11 Biology The Living World MCQs Set A
CBSE Class 11 Biology The Living World MCQs Set B
CBSE Class 11 Biology The Living World MCQs Set C
Chapter 02 Biological Classification
CBSE Class 11 Biology Biological Classification MCQs Set A
CBSE Class 11 Biology Biological Classification MCQs Set B
CBSE Class 11 Biology Biological Classification MCQs Set C
Chapter 03 Plant Kingdom
CBSE Class 11 Biology Plant Kingdom MCQs Set A
CBSE Class 11 Biology Plant Kingdom MCQs Set B
CBSE Class 11 Biology Plant Kingdom MCQs Set C
Chapter 04 Animal Kingdom
CBSE Class 11 Biology Animal Kingdom MCQs Set A
CBSE Class 11 Biology Animal Kingdom MCQs Set B
CBSE Class 11 Biology Animal Kingdom MCQs Set C
CBSE Class 11 Biology Animal Kingdom MCQs Set D
Chapter 05 Morphology of Flowering Plants
CBSE Class 11 Biology Morphology of Flowering Plants MCQs Set A
CBSE Class 11 Biology Morphology of Flowering Plants MCQs Set B
CBSE Class 11 Biology Morphology of Flowering Plants MCQs Set C
Chapter 06 Anatomy of Flowering Plants
CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Set A
CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Set B
CBSE Class 11 Biology Anatomy of Flowering Plants MCQs Set C
Chapter 07 Structural Organisation in Animals
CBSE Class 11 Biology Structural Organisation in Animals MCQs Set A
CBSE Class 11 Biology Structural Organisation in Animals MCQs Set B
CBSE Class 11 Biology Structural Organisation in Animals MCQs Set C
Chapter 08 Cell The Unit of Life
CBSE Class 11 Biology Cell The Unit of Life MCQs Set A
CBSE Class 11 Biology Cell The Unit of Life MCQs Set B
CBSE Class 11 Biology Cell The Unit of Life MCQs Set C
Chapter 09 Biomolecules
CBSE Class 11 Biology Biomolecules MCQs Set A
CBSE Class 11 Biology Biomolecules MCQs Set B
CBSE Class 11 Biology Biomolecules MCQs Set C
Chapter 10 Cell Cycle and Cell Division
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs Set A
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs Set B
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs Set C
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs Set D
Chapter 11 Transport in Plants
CBSE Class 11 Biology Transport In Plants MCQs Set A
CBSE Class 11 Biology Transport In Plants MCQs Set B
Chapter 12 Mineral Nutrition
CBSE Class 11 Biology Mineral Nutrition MCQs Set A
CBSE Class 11 Biology Mineral Nutrition MCQs Set B
Chapter 13 Photosynthesis in Higher Plants
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs Set A
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs Set B
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs Set C
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs Set D
Chapter 14 Respiration in Plants
CBSE Class 11 Biology Respiration in Plants MCQs Set A
CBSE Class 11 Biology Respiration in Plants MCQs Set B
Chapter 15 Plant Growth and Development
CBSE Class 11 Biology Plant Growth and Development MCQs Set A
CBSE Class 11 Biology Plant Growth and Development MCQs Set B
CBSE Class 11 Biology Plant Growth and Development MCQs Set C
Chapter 16 Digestion and Absorption
CBSE Class 11 Biology Digestion and Absorption MCQs Set A
CBSE Class 11 Biology Digestion and Absorption MCQs Set B
CBSE Class 11 Biology Digestion and Absorption MCQs Set C
Chapter 17 Breathing and Exchange of Gases
CBSE Class 11 Biology Breathing and Exchange of Gases MCQs Set A
CBSE Class 11 Biology Breathing and Exchange of Gases MCQs Set B
CBSE Class 11 Biology Breathing and Exchange of Gases MCQs Set C
Chapter 18 Body Fluids and Circulation
CBSE Class 11 Biology Body Fluids and Circulation MCQs Set A
CBSE Class 11 Biology Body Fluids and Circulation MCQs Set B
Chapter 19 Excretory Products and their Elimination
CBSE Class 11 Biology Excretory Products and Their Elimination MCQs Set A
CBSE Class 11 Biology Excretory Products and Their Elimination MCQs Set B
Chapter 20 Locomotion and Movement
CBSE Class 11 Biology Locomotion and Movement MCQs Set A
CBSE Class 11 Biology Locomotion and Movement MCQs Set B
CBSE Class 11 Biology Locomotion and Movement MCQs Set C
CBSE Class 11 Biology Locomotion and Movement MCQs Set D
Chapter 21 Neural Control and Coordination
CBSE Class 11 Biology Neural Control and Coordination MCQs Set A
CBSE Class 11 Biology Neural Control and Coordination MCQs Set B
Chapter 22 Chemical Coordination and Integration
CBSE Class 11 Biology Chemical Coordination and Integration MCQs Set A
CBSE Class 11 Biology Chemical Coordination and Integration MCQs Set B
CBSE Class 11 Biology Chemical Coordination and Integration MCQs Set C
More MCQ Questions Class 11 Biology
CBSE Class 11 Biology MCQs Set A
CBSE Class 11 Biology MCQs Set B
CBSE Class 11 Biology MCQs Set C
CBSE Class 11 Biology MCQs Set D
CBSE Class 11 Biology MCQs Set E
CBSE Class 11 Biology MCQs Set F
CBSE Class 11 Biology MCQs Set G

MCQs for Chapter 9 Biomolecules Biology Class 11

Expert teachers of studiestoday have referred to NCERT book for Class 11 Biology to develop the Biology Class 11 MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Class 11 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Biology will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest books also refer to the NCERT solutions for Class 11 Biology. We have also provided lot of MCQ questions for Class 11 Biology so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 11 Biology MCQ Test for the same chapter.

Where can I download latest CBSE MCQs for Class 11 Biology Chapter 9 Biomolecules

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