Biological Classification — DPP 15

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
In club fungi, which stage is usually prolonged:
  1. A Stage between dikaryotisation and karyogamy
  2. B Stage between karyogamy and meiosis
  3. C Stage between meiosis and formation of spores
  4. D Stage between formation of basidia and basidiocarp
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Correct answer: A

2
Which statement is correct among the following?
  1. A Cell wall is present in Mycoplasma.
  2. B Spores in slime moulds have true cell wall.
  3. C Bacteria have cell wall made up of cellulose.
  4. D Fungi do not have cell wall.
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Correct answer: B

3
The thalloid body of a slime mould (Myxomycetes) is known as: (kingdom Protista)
  1. A Fruiting body
  2. B Mycelium
  3. C Protonema
  4. D Plasmodium
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Correct answer: D

4
Fungal hyphae penetrate hard cell walls of their hosts with the help of:-
  1. A Enzymes
  2. B Hormones
  3. C Sharp tips
  4. D Sugar Exudates
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Correct answer: A

5
Match the type of protozoans given in column-I with their examples given in column-II and choose the correct option.
Biological Classification – NEET-1537
  1. A A – I, B – III, C – IV, D – II
  2. B A – III, B – I, C – II, D – IV
  3. C A – III, B – I, C – IV, D – II
  4. D A - III, B - IV, C - I, D - II
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Correct answer: C

6
Plasmid are :-
  1. A Virus
  2. B New types of micro organism
  3. C Extra chromosomal genetic material of bacteria
  4. D Essential bacterial genetic materials
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Correct answer: C

7
A fungus completing its life cycle on a single host is known as:-
  1. A Dikaryotic
  2. B Autoecious
  3. C Heterocious
  4. D Heterothallic
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Correct answer: B

8
Assertion (A) : Viruses can have either DNA or RNA.
Reason (R) : Viriods have low molecule weight RNA.
  1. A Both (A) and (R) are true and (R) is correct explanation of (A).
  2. B Both (A) and (R) are true but (R) is not correct explanation of (A).
  3. C (A) is true but (R) is false.
  4. D Both (A) and (R) are false.
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Correct answer: B

9
Red tides in warm coastal water develop due to super abundance of :-
  1. A Dinoflagellates
  2. B Euglenoid forms
  3. C Diatoms
  4. D Desmids
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Correct answer: A

10
Which of the following statements which are not relevant to Archaebacteria?
(A) They live in some of the most harsh habitats.
(B) They are present in the gut of several ruminant animals.
(C) They are characterised by the presence of rigid cellulosic cell wall.
(D) They include Mycoplasma.
(E) They are also referred to as blue green algae.
  1. A A, B, C
  2. B A, C, E
  3. C C, D, E
  4. D A, C, D
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Correct answer: C

11
Which of the following is not a feature of Bentham and Hookers classification?
  1. A It was based on actual observations
  2. B It was a natural classification
  3. C It was based on floral features
  4. D It was a phylogenetic classification
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Correct answer: D

12
Which group of organisms belongs to class sporozoa?
  1. A Plasmodium & Monocystis
  2. B Entamoeba & Paramoecium
  3. C Euglena & Trypanosoma
  4. D Plasmodium & Vorticella
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Correct answer: A

13
Which bacteria are utilized in Gobar gas plant?
  1. A Methanogens
  2. B Nitrifying bacteria
  3. C Ammonifying bacteria
  4. D Denitrifying bacteria
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Correct answer: A

14
Heterocysts as specialized cells to fix atmospheric nitrogen are produced by:
  1. A Rhodospirillum and Nostoc
  2. B Anabaena and Azolla
  3. C Nostoc and Anabaena
  4. D Rhodopseudomonas and Oscillatoria
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Correct answer: C

15
In the five kingdom classification of whittaker, there is :-
  1. A No mention of viruses.
  2. B Mention of lichens.
  3. C No mention of viroids.
  4. D No mention of viruses, viroids and lichens.
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Correct answer: D

16
Which statement is incorrect regarding fungi :
  1. A Stored food is glycogen and oil
  2. B Fungi are haploid in nature
  3. C Higher Fungi are more advanced than lower fungi in complexity of sex organs.
  4. D Haplontic life cycle and zygotic meiosis occurs in most of the fungi
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Correct answer: C

17
Nutritionally, protists are -
  1. A Photoautotrophs
  2. B Heterotrophs
  3. C Mixotrophs
  4. D Photoautotrophs, heterotrophs or autotrophs
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Correct answer: D

18
Single-celled eukaryotes are included in :-
  1. A Monera
  2. B Protista
  3. C Fungi
  4. D Archaea
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Correct answer: B

19
Which of the following statement(s) is/are correct about class basidiomycetes ?
(i) They are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.
(ii) They grow in soil, on logs and tree stumps and in living plant bodies as parasites, e.g., rusts and smuts.
(iii) The mycelium is branched and septate.
(iv) Some common members are Agaricus, Ustilago and Puccinia.
  1. A Only (i)
  2. B Both (ii) and (iii)
  3. C (ii), (iii) and (iv)
  4. D All of these
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Correct answer: C

20
Which one of the following bacteria has found extensive use in genetic engineering work in plants:-
  1. A Clostridium septicum
  2. B Xanthomonas citri
  3. C Bacillus coagulens
  4. D Agrobacterium tumefaciens
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Correct answer: D

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