CBSE Class 11 Biology MCQs Set E

Refer to CBSE Class 11 Biology MCQs Set E provided below. CBSE Class 11 Biology MCQs with answers available in Pdf for free download. The MCQ Questions for Class 11 Biology with answers have been prepared as per the latest syllabus, CBSE books and examination pattern suggested in Class 11 by CBSE, NCERT and KVS. Multiple Choice Questions for All Chapters are an important part of exams for Class 11 Biology and if practiced properly can help you to 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 All Chapters

Class 11 Biology students should refer to the following multiple-choice questions with answers for All Chapters in Class 11. These MCQ questions with answers for Class 11 Biology will come in exams and help you to score good marks

All Chapters MCQ Questions Class 11 Biology with Answers

 

Choose the most appropriate answer.

Question. Which of the following is caused by bacteria?
(a) Tetanus
(b) Measles
(c) Malaria
(d) Ringworm
Ans. A

Question. Food can be preserved when pH of the medium is:
(a) acidic
(b) basic
(c) neutral
(d) none of these
Ans. A

Question. They play a role in the making of dairy products:
(a) Viruses
(b) Bacteria
(c) Algae
(d) Plasmodium
Ans. B

Question. Viruses belong to the group:
(a) Prokaryotes
(b) Eukaryotes
(c) Monera
(d) None of these
Ans. D

Question. Common cold is caused by:
(a) Bacteria
(b) Viruses
(c) Fungi
(d) Plasmodium
Ans. B

Question. They fix atmospheric Nitrogen:
(a) Virus
(b) Fungi
(c) Bacteria
(d) Both A & B
Ans. C

Question. In lytic life cycle bacterial cell:
(a) Continues its normal life processes
(b) Bursts and dies
(c) Starts division
(d) Forms endospore
Ans. B

Question. Amino acids are present in the cell wall of:
(a) Bryophytes
(b) Fungi 
(c) Bacteria 
(d) Gymnosperms
Ans. C

Question. Inside photosynthetic bacteria, Chlorophyll is:
(a) Localized in Chloroplast 
(b) Present inside Mitochondria 
(c) Dispersed in the cytoplasm 
(d) Absent
Ans. C

Question. In blue-green algae nitrogen fixation occurs in specialized cells called:
(a) Harmogonia
(b) Akinetes 
(c) Heterocysts
(d) Zygospores
Ans. C

Question. Under ideal condition a bacterial cell divides about every 20 minutes. It takes 200 minutes to fill a culture tube. How much time will it take to fill a test tube of double size. 
(a) 400 minutes 
(b) 220 minutes 
(c) 240 minutes 
(d) 300 minutes
Ans. B

Question. A virus that can reproduce without killing its host is called:
(a) lytic virus
(b) retroactive virus 
(c) temprate virus 
(d) virion
Ans. C

Question. When a bacteriophage, in its lytic phase carries some of the bacterium’s partially digested chromosome with it to another host cell, the process is called:
(a) transformation
(b) transduction
(c) transportation 
(d) conjugation
Ans. B

Question. Which of the following is not true of organisms in the kingdom Monera ?
(a) they reproduce by mitosis
(b) no cellulose cell wall 
(c) no nuclear envelop 
(d) have prokaryotic cellular organization
Ans. A

Question. Slimy capsule of bacteria is made by:
(a) lipid
(b) protein
(c) polysaccharide 
(d) sucrose
Ans.C

Question. Avery and his colleagues confirmed that the transforming material is that:
(a) RNA
(b) DNA
(c) Protein
(d) Lipid
Ans. B

Question. Which of these is found in viruses:
(a) cell membrane
(b) ribosome
(c) nucleic acid
(d) tail and head
Ans. C

Question. Which of the following is a true statement:
(a) viruses carry with them their own ribosome
(b) new viral ribosomes form after viral DNA enters the cell
(c) viruses use the host ribosomes for protein synthesis
(d) none of these
Ans. C

Question. Which of the following is an example of a viral disease:
(a) Tuberculosis
(b) AIDS
(c) Anthrax
(d) Tetanus
Ans. B

Question. The elimination of bacteria from a medium is called:
(a) inoculation
(b) sterilization
(c) staining
(d) fermentation
Ans. B

Question. Bacteria survive unfavourable condition by:
(a) endospore
(b) fission
(c) conjugation
(d) moving
Ans. A

Question. Which of the following is nonliving character of virus?
(a) genetic recombination
(b) mutation
(c) reproduction
(d) crystallization
Ans. D

Question. Which of the following is not a viral disease?
(a) small pox
(b) tetanus
(c) mumps
(d) measles
Ans. B

Question. Polio virus is:
(a) rod-shaped
(b) tadpole shaped
(c) spiral
(d) spherical
Ans. D

Question. Which of the following is a viral disease?
(a) Malaria
(b) Crown gall
(c) Mumps
(d) Pneumonia
Ans. C

Question. Which of the following character of living things is found in vrisues?
(a) respiration
(b) genetic recombination
(c) photosynthesis
(d) all of these
Ans. B

Question. Which of the following is present in the cytoplasm of prokaryotes?
(a) Mitochondria
(b) Ribosome
(c) Endoplasmic reticulum
(d) All of these
Ans. B

Question. Bacterial are haploid organisms because the number of chromosomes in their cells is:
(a) 2
(b) 4
(c) 8
(d) None of these
Ans. D

Question. Which of the following is present in the cytoplasm of bacterial cell?
(a) Glycogen
(b) Protein
(c) Fats
(d) Starch
Ans. D

Question. Cell membrane of bacterial cell invaginates producing structure called:
(a) Polysome
(b) Endosome
(c) Mesosome
(d) Centrosome
Ans. C

Question. The chlorophyll of photosynthetic bacterial is localized in:
(a) nucleus
(b) chloroplast
(c) mitochondria
(d) none of these
Ans. D

Question. For the preparation of food, chemosynthetic bacteria use:
(a) solar energy
(b) chemical energy
(c) nuclear energy
(d) thermal energy
Ans. B

Question. Curing of tobacco involves:
(a) Fungi
(b) Algae
(c) Cyanobacteria
(d) Bacteria
Ans. D

Question. The conversion of atmospheric nitrogen into nitrates by bacteria is called:
(a) Nitrification
(b) Nitrogen fixation
(c) Denitrification
(d) Bacteria
Ans. B

Question. In the retting of flax and hempcellulose fibers are freed by bacteria which decompose:
(a) cellulose
(b) pectin
(c) starch
(d) glycogen
Ans. B

Question. In blue-green algae photosynthesis takes place in:
(a) Chloroplast
(b) Chromoplast
(c) Extensive system of membranes located at the router edge
(d) Mitochondria
Ans. C

Question. Which of the following diseases of plants is caused by bacterial?
(a) Rust
(b) Crowngall
(c) Smut
(d) Powdery mildew
Ans. B

Question. Which of the following is cultivated in rice fields for the increase of soil fertility?
(a) Anabaena
(b) Chlamydomonas
(c) Rhizobium
(d) Rhizopus
Ans. A

Question. Unicellular blue-green algae reproduce by:
(a) fragmentation
(b) conjugation
(c) cell division
(d) hormogonia
Ans. C

Question. Which of the following is enlarged resting cell with thickened walls, large food reserve and DNA?
(a) trichome
(b) hormogonium
(c) ovum
(d) akinete
Ans. D

Question. Which of the following is not true of Nostoc?
(a) Autotroph
(b) Filamentous
(c) Unicellular
(d) Heterocyst
Ans. C

Question Nutrients are returned to the environment by:
(a) producers
(b) decomposers
(c) herbivores
(d) carnovores
Ans. B

Question. Which of the following is caused by bacteria?
(a) chicken pox
(b) leprosy
(c) ring worm
(d) AIDS
Ans. B

Chapter 02 Biological Classification
CBSE Class 11 Biology Biological Classification MCQs
Chapter 05 Morphology of Flowering Plants
CBSE Class 11 Biology Morphology of Flowering Plants MCQs
Chapter 06 Anatomy of Flowering Plants
CBSE Class 11 Biology Anatomy of Flowering Plants MCQs
Chapter 07 Structural Organisation in Animals
CBSE Class 11 Biology Structural Organisation in Animals MCQs
Chapter 08 Cell The Unit of Life
CBSE Class 11 Biology Cell The Unit of Life MCQs
Chapter 10 Cell Cycle and Cell Division
CBSE Class 11 Biology Cell Cycle and Cell Division MCQs
Chapter 11 Transport in Plants
CBSE Class 11 Biology Transport In Plants MCQs
Chapter 13 Photosynthesis in Higher Plants
CBSE Class 11 Biology Photosynthesis in Higher Plants MCQs
Chapter 14 Respiration in Plants
CBSE Class 11 Biology Respiration in Plants MCQs
Chapter 15 Plant Growth and Development
CBSE Class 11 Biology Plant Growth and Development MCQs
Chapter 16 Digestion and Absorption
CBSE Class 11 Biology Digestion and Absorption MCQs
Chapter 17 Breathing and Exchange of Gases
CBSE Class 11 Biology Breathing and Exchange of Gases MCQs
Chapter 18 Body Fluids and Circulation
CBSE Class 11 Biology Body Fluids and Circulation MCQs
Chapter 19 Excretory Products and their Elimination
CBSE Class 11 Biology Excretory Products and Their Elimination MCQs
Chapter 20 Locomotion and Movement
CBSE Class 11 Biology Locomotion and Movement MCQs
Chapter 21 Neural Control and Coordination
CBSE Class 11 Biology Neural Control and Coordination MCQs
Chapter 22 Chemical Coordination and Integration
CBSE Class 11 Biology Chemical Coordination and Integration MCQs

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