Biological Classification — DPP 10

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
Cyanobacteria are $\_\_\_\_$ .
  1. A Chemosynthetic
  2. B Oxygenic photosynthetic
  3. C Anaerobic
  4. D Facultative anaerobic
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Correct answer: B

2
The process by which a bacterium acquires new genes by taking up parts of a naked DNA molecule from its surroundings is called :
  1. A Transformation
  2. B Conjugation
  3. C Transduction
  4. D Binary fission
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Correct answer: A

3
Where does meiosis occur in mushroom?
  1. A Basidiospore
  2. B Basidium
  3. C Basidiocarp
  4. D Ascus mother cell
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Correct answer: B

4
Identify the structure of following:
Biological Classification – NEET-1723 Biological Classification – NEET-1723
  1. A A - Dinoflagellates, B - Euglenoids, C - Rhizopus, D - T.M.V
  2. B A - Chrysophytes, B - Slime moulds, C - Mucor, D - T.M.V
  3. C A - Dinoflagellates, B - Slime moulds, C - Agaricus, D - Bacteriophage
  4. D A - T.M.V, B - Euglenodis, C - Agaricus, D - Mucor
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Correct answer: C

5
Choose the correct statement -
  1. A Trichoderma belong to Basidiomycetes.
  2. B Puccinia belong to Ascomycetes.
  3. C Albugo belongs to Basidiomycetes.
  4. D Mucor belongs to Phycomycetes.
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Correct answer: D

6
Match column I (Kingdom) with column II (Class) and select the correct options
  1. A A–IV, B–III, C–II, D–I
  2. B A–I, B–II, C–III, D–IV
  3. C A–III, B–IV, C–II, D–I
  4. D A–IV, B–II, C–III, D–I
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Correct answer: D

7
Which lichen is used for making litmus paper?
  1. A Roccella
  2. B Cetraria
  3. C Cladonia
  4. D Usnea
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Correct answer: A

8
Which one of the following statements about viruses is true?
  1. A Viruses are the most primitive life forms.
  2. B All viruses have DNA, single or doublestranded.
  3. C Prions are true viruses.
  4. D Viruses have a nucleic acid based genome enclosed in a protein coat.
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Correct answer: D

9
Which of the following secretes toxins during storage conditions of crop plants ?
  1. A Aspergillus
  2. B Penicillium
  3. C Fusarium
  4. D Colletotrichum
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Correct answer: A

10
The mycelium is aseptate and coenocytic in:-
  1. A Phycomycetes
  2. B Basidiomycetes
  3. C Deuteromycetes
  4. D Ascomycetes
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Correct answer: A

11
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Cyanobacteria that are referred to as blue green algae are not "algae" anymore.
Reason (R) : All unicellular prokaryotes are placed in kingdom Monera and algae are placed in kingdom Plantae
In the light of the above statements, choose the most appropriate answer from the options given below :
  1. A Both (A) & (R) are correct but (R) is not the correct explanation of (A).
  2. B (A) is correct but (R) is not correct.
  3. C (A) is not correct but (R) is correct.
  4. D Both (A) & (R) are correct and (R) is the correct explanation of (A).
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Correct answer: D

12
Identify the following in sequence :-
Biological Classification – NEET-1890
  1. A Mucor, Trypanosoma
  2. B Mucor, Aspergillus
  3. C Agaricus, Puccinia
  4. D Albugo, Euglena
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Correct answer: B

13
Assertion : Majority of Euglenoids are fresh water organisms.
Reason : All unicellular eukaryotes placed under Protista.
  1. A Both assertion and reason are true and reason is the correct explanation of assertion.
  2. B Both assertion and reason are true and reason is not the correct explanation of assertion.
  3. C Assertion is true but reason is false.
  4. D Both assertion and reason are false.
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Correct answer: B

14
Stored food material of fungi :-
  1. A Cellulose
  2. B Starch
  3. C Glycogen and starch
  4. D Glycogen and oil
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Correct answer: D

15
How many kingdoms have decomposers in Whittaker's classification?
  1. A 3
  2. B 4
  3. C 1
  4. D 2
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Correct answer: A

16
Which of the given organism(s) belong to kingdom protista according to five kingdom system? (A) Virus (B) Euglena (C) Viroids (D) Lichen
  1. A A and B
  2. B C and D
  3. C Only B
  4. D A and C
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Correct answer: C

17
How many statements are correct among the following :-
(i) Plasmodium is formed in life cycle of Slime moulds.
(ii) Large number of Deuteromycetes are decomposers of litter.
(iii) Dikaryon stage is found in life cycle of Rhizopus.
(iv) Bacteriophage have ss-RNA.
  1. A Two only
  2. B Three only
  3. C All four
  4. D One only
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Correct answer: A

18
Yeast grows more quickly in :-
  1. A Salt water
  2. B Sugar solution
  3. C Double distilled water
  4. D Marine water
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Correct answer: B

19
Paramecium :-
  1. A It is a ciliated protozoan.
  2. B Shows water current maintained by cilia which helps the food to be steered into gullet.
  3. C Has a cavity (gullet) that open to the outside of the cell surface.
  4. D All
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Correct answer: D

20
Difference between Virus and Viroid is
  1. A Absence of protein coat in viroid but present in virus
  2. B Presence of low molecular weight RNA in virus but absent in viroid
  3. C Both (A) and (B)
  4. D None of the above
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Correct answer: A

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