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
Question 2.
The blue-green algae are also referred as
(a) Cyanobacteria
(b) Eubacteria
(c) Archaebacteria
(d) Heterotrophic bacteria
Answer: (a) Cyanobacteria
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
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
Question 5.
Naked cytoplasm, multinucleated and saprophytic are the characteristics of
(a) Monerans
(b) Slime moulds
(c) Fungi
(d) Protists
Answer: (b) Slime moulds
Question 6.
Wine turns sour because of
(a) Heat
(b) Aerobic bacteria
(c) Anaerobic bacteria
(d) Exposure to the light
Answer: (b) Aerobic bacteria
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
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
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
Question 10.
Which of the following is an exception of monera kingdom –
(a) Bacteria
(b) Virus
(c) Cyanobacteria
(d) Mycoplasma
Answer: (b) Virus
Question 11.
Archegoniophore is present in:
(a) Marchantia
(b) Chara
(c) Adiantum
(d) Funaria
Answer: (a) Marchantia
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
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
Question 14.
Virus envelope is known as:
(a) Capsid
(b) Virion
(c) Nucleoprotein
(d) Core
Answer: (a) Capsid
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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