NEET Biology Biological Classification MCQs Set 20

Multiple Choice Questions (MCQs) for NEET Biology: Biological Classification

Review structured MCQ sets for NEET Biology Biological Classification. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Biological Classification MCQs for NEET Biology

Navigate directly to the 50 objective questions for Biological Classification using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.

Multiple Choice Questions

Question 1: Pick up the wrong statement
(a) Nuclear membrane is present in Monera
(b) Cell wall is absent in Animalia
(c) Protista have photosynthetic and heterotrophic modes of nutrition
(d) Some fungi are edible
Show Answer & Explanation

Answer: (a) Nuclear membrane is present in Monera

Explanation:
1. The members of kingdom-Monera are prokaryotes they lack nuclear membrane.

Question 2: Which one of the following matches is correct?
(a) Agaricus Parasitic fungus Basidiomycetes
(b) Phyto- Aseptate Basidiomycetes phthora mycelium
(c) Alternaria Sexual Deuteromycetes reproduction absent
(d) Mucor Reproduction by Ascomycetes conjugation
Show Answer & Explanation

Answer: (c) Alternaria Sexual Deuteromycetes reproduction absent

Explanation:
1. This option, Alternaria Sexual Deuteromycetes reproduction absent, is the one that agrees with the standard NCERT facts for this topic.

Question 3: Archaebacteria differ from eubacteria in
(a) Cell membrane structure
(b) Mode of nutrition
(c) Cell shape
(d) Mode of reproduction
Show Answer & Explanation

Answer: (a) Cell membrane structure

Explanation:
1. Archaebacteria differ from eubacteria in cell membrane structure.

Question 4: Which of the following shows coiled RNA strand and capsomeres?
(a) Polio virus
(b) Tobacco mosaic virus
(c) Measles virus
(d) Retrovirus
Show Answer & Explanation

Answer: (b) Tobacco mosaic virus

Explanation:
1. TMV – Coiled RNA strand and capsomeres.

Question 5: The motile bacteria are able to move by:
(a) Fimbriae
(b) Flagella
(c) Cilia
(d) Pili
Show Answer & Explanation

Answer: (b) Flagella

Explanation:
1. This option, Flagella, is the one that agrees with the standard NCERT facts for this topic.

Question 6: Pigment-containing membranous extensions in some cyanobacteria are
(a) Basal bodies
(b) Pneumatophores
(c) Chromatophores
(d) Heterocysts
Show Answer & Explanation

Answer: (c) Chromatophores

Explanation:
1. Chromatophores : – Cynaobacteria – Pigment-containing membranous extensions.

Question 7: The cyanobacteria are also referred to as
(a) Slime moulds
(b) Blue green algae
(c) Protists
(d) Golden algae
Show Answer & Explanation

Answer: (b) Blue green algae

Explanation:
1. Cynobacteria = Blue green algae.

Question 8: How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolfia
(a) Four
(b) Five
(c) Six
(d) Three
Show Answer & Explanation

Answer: (c) Six

Explanation:
1. Autotrophs – Nostoc, Chara, Nitrosomonas, Nitrobacter, Porphyra & Wolffia.

Question 9: In the five-kingdom classification, Chlamydomonas and Chlorella have been included in
(a) Protista
(b) Algae
(c) Plantae
(d) Monera
Show Answer & Explanation

Answer: (a) Protista

Explanation:
1. Chlamydomonas & Chlorella – Protista.

Question 10: Which one of the following organisms is not an example of eukaryotic cells?
(a) Amoeba proteus
(b) Paramecium caudatum
(c) Escherichia coli
(d) Euglena viridis
Show Answer & Explanation

Answer: (c) Escherichia coli

Explanation:
1. This option, Escherichia coli, is the one that agrees with the standard NCERT facts for this topic.

Question 11: Membrane-bound organelles are absent in
(a) Plasmodium
(b) Saccharomyces
(c) Streptococcus
(d) Chlamydomonas
Show Answer & Explanation

Answer: (c) Streptococcus

Explanation:
1. Membrane-bound organelles are absent in Prokaryotes.

Question 12: Single-celled eukaryotes are included in
(a) Monera
(b) Protista
(c) Fungi
(d) Archaea
Show Answer & Explanation

Answer: (b) Protista

Explanation:
1. Protista – Single celled eukaryotes.

Question 13: Virus envelope is known as
(a) Core
(b) Capsid
(c) Virion
(d) Nucleoprotein
Show Answer & Explanation

Answer: (b) Capsid

Explanation:
1. This option, Capsid, is the one that agrees with the standard NCERT facts for this topic.

Question 14: Algae have cell wall made up of
(a) Cellulose, hemicellulose and pectins
(b) Cellulose, galactans and mannans
(c) Hemicellulose, pectins and proteins
(d) Pectins, cellulose and proteins
Show Answer & Explanation

Answer: (b) Cellulose, galactans and mannans

Explanation:
1. This option, Cellulose, galactans and mannans, is the one that agrees with the standard NCERT facts for this topic.

Question 15: Infectious proteins are present in
(a) Satellite viruses
(b) Gemini viruses
(c) Prions
(d) Viroids
Show Answer & Explanation

Answer: (c) Prions

Explanation:
1. This option, Prions, is the one that agrees with the standard NCERT facts for this topic.

Question 16: Black (stem) rust of wheat is caused by :
(a) Alternaria solani
(b) Ustilago nuda
(c) Puccinia graminis
(d) Xanthomonas oryzae
Show Answer & Explanation

Answer: (c) Puccinia graminis

Explanation:
1. This option, Puccinia graminis, is the one that agrees with the standard NCERT facts for this topic.

Question 17: Select the correct combination of the statements (a-d) regarding the characteristics of certain organisms<br />(a) Methanogens are Archaebacteria which produce methane in marshy areas.<br />(b) Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen.<br />(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.<br />(d) Mycoplasma lack a cell wall and can survive without oxygen. The correct statement are
(a) (b), (c)
(b) (a), (b), (c)
(c) (b), (c), (d)
(d) (a), (b), (d)
Show Answer & Explanation

Answer: (d) (a), (b), (d)

Explanation:
1. Chemosynthetic autotrophic bacteria synthesize glucose from CO2.

Question 18: T.O. Diener discovered a
(a) Free infectious DNA
(b) Infectious protein
(c) Bacteriophage
(d) Free infectious RNA
Show Answer & Explanation

Answer: (d) Free infectious RNA

Explanation:
1. Free infectious RNA (Viroids) – T.O. Diener.

Question 19: Which one is the wrong pairing for the disease and its causal organism?
(a) Black rust of wheat – Puccinia graminis
(b) Loose smut of wheat – Ustilago nuda
(c) Root-knot of vegetables – Meloidogyne
(d) Late blight of potato – Alternaria solani
Show Answer & Explanation

Answer: (d) Late blight of potato – Alternaria solani

Explanation:
1. This option, Late blight of potato – Alternaria solani, is the one that agrees with the standard NCERT facts for this topic.

Question 20: Thermococcus,Methanococcus and Methano--bacterium exemplify
(a) Bacteria that contain a cytoskeleton and ribosomes
(b) Archaebacteria that contain protein homologous to eukaryotic core histones
(c) Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
(d) Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
Show Answer & Explanation

Answer: (c) Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled

Explanation:
1. Thermococcus, Methanococcus and Methanobacterium – Archaebacteria.

Question 21: Bacterial leaf blight of rice is caused by a species of
(a) Erwinia
(b) Xanthomonas
(c) Pseudomonas
(d) Alternaria
Show Answer & Explanation

Answer: (b) Xanthomonas

Explanation:
1. This option, Xanthomonas, is the one that agrees with the standard NCERT facts for this topic.

Question 22: Biological organisation starts with:
(a) Atomic level
(b) Submicroscopic molecular level
(c) Cellular level
(d) Organismic level
Show Answer & Explanation

Answer: (b) Submicroscopic molecular level

Explanation:
1. This option, Submicroscopic molecular level, is the one that agrees with the standard NCERT facts for this topic.

Question 23: Which one of the following statements about Mycoplasma is wrong?
(a) They cause disease in plants
(b) They are also called PPLO
(c) They are pleomorphic
(d) They are sensitive to penicillin
Show Answer & Explanation

Answer: (d) They are sensitive to penicillin

Explanation:
1. Mycoplasma is insensitive to penicillin.

Question 24: Which pair of the following belongs to Basidiomycetes?
(a) Morchella and Mushrooms
(b) Birds’ nest fungi and Puffballs
(c) Puffballs and Claviceps
(d) Peziza and Stink horns
Show Answer & Explanation

Answer: (b) Birds’ nest fungi and Puffballs

Explanation:
1. Basidiomycetes Ascomycetes Puffballs Claviceps Stink horns Peziza Mushrooms Morchella Birds nest fungi.

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Multiple Choice Questions (MCQs) for NEET Biology Biological Classification

About Biological Classification MCQs for NEET Biology

Review structured objective questions for NEET Biology Biological Classification. Built according to official NEET guidelines, these MCQ sets support daily revision and core concept reinforcement.

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FAQs

Where can I access latest NEET Biology Biological Classification MCQs Set 20?

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Are Assertion-Reasoning and Case-Study MCQs included in the Biology NEET material?

Yes, our NEET Biology Biological Classification MCQs Set 20 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NEET paper is now competency-based.

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By solving our NEET Biology Biological Classification MCQs Set 20, NEET students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.

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