Biological Classification — DPP 11

20 NEET questions from Biological Classification, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Which of the following combination is correct?
Biological Classification – NEET-1601
  1. A I - B, II - A, III - D, IV - C
  2. B I - C, II - D, III - A, IV - D
  3. C I - A, II - B, III - C, IV - D
  4. D I - D, II - B, III - A, IV - C
Show answer

Correct answer: A

2
The figures represent stages in the sexual reproduction in Rhizopus. If gametangia are fused, then what is the fate of cells ?
Biological Classification – NEET-1718
  1. A They will develop into a zoospore
  2. B They will develop into a prothallus
  3. C They will develop into a Parthenos pore.
  4. D They will develop into a zygospore
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Correct answer: D

3
Sequence of which of the following is used to know the phylogeny :-
  1. A m-RNA
  2. B r-RNA
  3. C t-RNA
  4. D DNA
Show answer

Correct answer: B

4
In fungi when the hyphae are continuous and branched tubes and filled with multinucleated cytoplasm, these are called:-
  1. A Unicellular hyphae
  2. B Coenocytic hyphae
  3. C Multicellular hyphae
  4. D Both (A) and (C)
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Correct answer: B

5
Slime moulds :-
  1. A Are parasites.
  2. B Do not produce spores.
  3. C Do not produce fruiting bodies.
  4. D Saprophytic protists.
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Correct answer: D

6
In oogamy, fertilization involves:
  1. A A large motile female gamete and a small non-motile male gamete
  2. B A small non-motile female gamete and a large motile male gamete
  3. C A large non-motile female gamete and a small motile male gamete
  4. D A large motile female gamete and a large non-motile male gamete.
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Correct answer: C

7
Taxonomists feel difficulty in classification of :-
  1. A Procaryotes
  2. B Unicellular eucaryotes
  3. C Plants
  4. D Animals
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Correct answer: B

8
The slimy mass of protoplasm with nuclei forms the body of slime moulds is called as :-
  1. A Plasmodium
  2. B Myxamoeba
  3. C Sporocytes
  4. D Periplasmodium
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Correct answer: A

9
All protozoans are -
  1. A Saprophytes only.
  2. B Parasites only.
  3. C Predators only.
  4. D Heterotrophs (parasite/predators) only.
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Correct answer: D

10
Which of the following is not the activity of blue green algae?
  1. A It gives fertility to sterile alkaline soil.
  2. B Responsible for water bloom.
  3. C It is never used as green manure.
  4. D Secrete toxin which inhibits growth of mosquito larva in water.
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Correct answer: C

11
The Cyanobacteria of great nutritional value being marketed today is :-
  1. A Salvinia
  2. B Spirogyra
  3. C Spirulina
  4. D Stigonema
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Correct answer: C

12
Bracket fungi belong to class :-
  1. A Ascomycetes
  2. B Basideomycetes
  3. C Phycomycetes
  4. D Deuteromycetes BBC641
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Correct answer: B

13
In fungi lump of hyphae is referred to as :-
  1. A Thallus
  2. B Haustorium
  3. C Mycelium
  4. D Archegonia
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Correct answer: C

14
Archaebacteria which degrade the cellulose in rumen (gut) of cattles is a/an :-
  1. A Actinomycetes
  2. B Eubacterium
  3. C Methanogen
  4. D Halophile
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Correct answer: C

15
Dead remains of diatoms at sea bed are called :-
  1. A Keiselgurh
  2. B Peat
  3. C Coral reefs
  4. D Sporopollenin
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Correct answer: A

16
Assertion: Boundaries of kingdom protista are not well defined.
Reason: Kingdom protista includes all single celled eukaryotes.
  1. A Both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
  2. B Both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
  3. C Assertion is True but the Reason is False.
  4. D Both Assertion & Reason are False.
Show answer & explanation

Correct answer: B

Chlorobium, Euglena, Nostoc, Anabaena.
17
Citrus canker is a $\_\_\_\_$ disease.
  1. A Bacterial
  2. B Viral
  3. C Fungal
  4. D Mycoplasmal
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Correct answer: A

18
Which set of diseases is caused by members of basidiomycetes ?
  1. A Rust and smut
  2. B Ergot and smut
  3. C Ergot and rust
  4. D Citrus canker and rust
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Correct answer: A

19
Find the incorrect statement about fungi -
  1. A They show a great diversity in morphology and habitats.
  2. B Fungi are cosmopolitan and occur in air, water, soil and as parasites too.
  3. C Dikaryophase occur in Ascomycetes and Basidiomycetes.
  4. D Rhizopus belongs to group basidiomycetes.
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Correct answer: D

20
Insects are preserved in insect boxes. They are kept in :-
  1. A Botanical gardens
  2. B Herbarium
  3. C Biological museum
  4. D Zoological parks
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Correct answer: C

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