In This Post we are  providing Chapter-2 Biological Classification NCERT MCQ for Class 11 Biology which will be beneficial for students. These solutions are updated according to 2021-22 syllabus. These MCQS  can be really helpful in the preparation of Board exams and will provide you with a brief knowledge of the chapter.

NCERT MCQ ON BIOLOGICAL CLASSIFICATION

Question 1.
Sexual reproduction is by copulation of male and female followed by embryological development is characteristic feature of
(a) Animalia
(b) Fungi
(c) Mucor
(d) Plantae

Answer: (a) Animalia

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Question 2.
The blue-green algae are also referred as
(a) Cyanobacteria
(b) Eubacteria
(c) Archaebacteria
(d) Heterotrophic bacteria

Answer: (a) Cyanobacteria

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Question 3.
Antibiotics cure disease by
(a) Competitive Inhibition
(b) Fighting with the disease causing organism
(c) Turning the pathogen out of the body
(d) Removing the pain

Answer: (a) Competitive Inhibition

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Question 4.
The organism that completely lack a cell wall and are smallest living cell know, can survive without oxygen is
(a) Bacteriophages
(b) Yeast
(c) Mycoplasmas
(d) Virus

Answer: (c) Mycoplasmas

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Question 5.
Naked cytoplasm, multinucleated and saprophytic are the characteristics of
(a) Monerans
(b) Slime moulds
(c) Fungi
(d) Protists

Answer: (b) Slime moulds

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Question 6.
Wine turns sour because of
(a) Heat
(b) Aerobic bacteria
(c) Anaerobic bacteria
(d) Exposure to the light

Answer: (b) Aerobic bacteria

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Question 7.
Which among the following is not included in the three domains system?
(a) Bacteria Domain
(b) Archaea Domain
(c) Viral Domain
(d) Euskara Domain

Answer: (c) Viral Domain

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Question 8.
Which one of the following is true for fungi?
(a) They are phototrophs
(b) They lack a rigid cell wall
(c) They are heterotrophs
(d) They lack nuclear membrane

Answer: (c) They are heterotrophs

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Question 9.
Which Archaebacteria is present in the guts of ruminant animals such as cows and buffaloes?
(a) Speculums
(b) Methanogens
(c) Heterogens
(d) Halophiles

Answer: (b) Methanogens

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Question 10.
Which of the following is an exception of monera kingdom –
(a) Bacteria
(b) Virus
(c) Cyanobacteria
(d) Mycoplasma

Answer: (b) Virus

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Question 11.
Archegoniophore is present in:
(a) Marchantia
(b) Chara
(c) Adiantum
(d) Funaria

Answer: (a) Marchantia

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Question 12.
The main difference between Gram positive and gram negative resides in the composition of:
(a) Cilia
(b) Cell-wall
(c) Cell-membrane
(d) Cytoplasm

Answer: (b) Cell-wall

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Question 13.
Which of the following structure is not found in prokaryotic cells :
(a) Plasma membrane
(b) Ribosomes
(c) Nuclear membrane and membranous cell organelles
(d) Hereditary substance

Answer: (c) Nuclear membrane and membranous cell organelles

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Question 14.
Virus envelope is known as:
(a) Capsid
(b) Virion
(c) Nucleoprotein
(d) Core

Answer: (a) Capsid

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Question 15.
Moneran phylogeny is best evidenced by sequence of nucleotides in RNA of ribosomes. On the basis of this information, the most primitive monerans are :-
(a) Archaebacteria
(b) Eubacteria
(c) Filamentous bacteria
(d) Cyanobacteria

Answer: (a) Archaebacteria

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