Biological Classification — DPP 6

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 statements about Euglena is true?
  1. A Euglenoids are flagellates.
  2. B Euglena placed in continuous darkness lose their photosynthetic activity and die.
  3. C The pigments of Euglena are quite different from those of green plants.
  4. D Euglena is a marine protists.
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Correct answer: A

2
Thermococcus, Methanococcus and Methanobacterium exemplify :-
  1. A Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
  2. B Bacteria that contain a cytoskeleton and ribosomes
  3. C Archaebacteria that contain protein homologous to eukaryotic core histones
  4. D Archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled.
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Correct answer: C

3
In Phycomycetes sexual reproduction occurs by:
  1. A Isogamy or anisogamy only
  2. B Isogamy or oogamy only
  3. C Isogamy, anisogamy or oogamy
  4. D Anisogamy or oogamy only
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Correct answer: C

4
Which of the following statement is correct?
  1. A Albugo belongs to group Basideomycetes.
  2. B Aspergillus belongs to group Ascomycetes.
  3. C Mushroom belongs to group Plantae.
  4. D Trichoderma belongs to group Euglenoids.
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Correct answer: B

5
Which of the following causes wheat rust disease?
  1. A A red alga
  2. B A green alga
  3. C A fungus
  4. D Mycoplasma
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Correct answer: C

6
Antibiotics are mostly obtained from :-
  1. A Bacteria
  2. B Viruses
  3. C Fungi
  4. D Angiosperm
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Correct answer: A

7
The fungal component in lichens is known as-
  1. A Phycobiont
  2. B Mycobiont
  3. C Fungobiont
  4. D Fucobiont
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Correct answer: B

8
In bacteria, plasmid is :-
  1. A Extra chromosomal material
  2. B Main DNA
  3. C Non functional DNA
  4. D Repetitive gene
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Correct answer: A

9
Penicillium fungi belong to class :-
  1. A Zygomycetes
  2. B Oomycetes
  3. C Deuteromycetes
  4. D Ascomycetes
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Correct answer: D

10
Which fungus is extensively used in biochemical studies?
  1. A Neurospora
  2. B Penicillium
  3. C Albugo
  4. D Yeast
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Correct answer: A

11
Select true statement :-
  1. A Viruses are obligate parasites
  2. B In Lichens, algal component is called phycobiont
  3. C In Lichens, Fungal component is called mycobiont
  4. D All the above
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Correct answer: D

12
Match the column A with column B and find out the correct as shown? Column-A a. Pollution indicator b. Mycobiont component c. Potato spindle tuber disease d. Obligate parasite Column-B p. Fungal q. Viroid r. Lichen s. Virus
  1. A $a - r , b - p , c - s , d - q$
  2. B $a - r , b - s , c - p , d - q$
  3. C $a - s , b - r , c - p , d - q$
  4. D $a - r , b - p , c - q , d - s$
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Correct answer: D

13
Which group of fungi is commonly known as imperfect fungi?
  1. A Phycomycetes
  2. B Ascomycetes
  3. C Basidiomycetes
  4. D Deuteromycetes
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Correct answer: D

14
Protist used for the construction of sound proof rooms, is :-
  1. A Dinoflagellate
  2. B Diatoms
  3. C Euglenoids
  4. D Zooflagellates
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Correct answer: B

15
Study the five statements (A-D) given below and select the correct statements: -
(A) The cyanobacteria are unicellular, colonial or filamentous algae.
(B) Euglenoids are photosynthetic in the presence of sunlight when deprived of sunlight they behave like heterotrophs.
(C) In phycomycetes mycelium is aseptate and coenocytic.
(D) Protista are primarily aquatic organisms which make link with plants, animals and fungi.
  1. A A, B & C
  2. B C, D & A
  3. C A & B only
  4. D All statements are correct
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Correct answer: D

16
Halophile are $\_\_\_\_$ .
  1. A Those can live at low pH
  2. B Those can live at high salt concentration
  3. C Those can live at high pressure
  4. D Those can live at high light intensity
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Correct answer: B

17
With respect to fungal sexual cycle, what is the correct sequence ?
  1. A Karyogamy, plasmogamy & meiosis
  2. B Meiosis, plasmogamy & karyogamy
  3. C Plasmogamy, karyogamy & meiosis
  4. D Meiosis, karyogamy & plasmogamy
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Correct answer: C

18
Mycelium of members of phycomycetes is:-
  1. A Septate and coenocytic
  2. B Aseptate and coenocytic
  3. C Septate and multicellular
  4. D Septate and unicellular
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Correct answer: B

19
Match the following -
Biological Classification – NEET-1912
  1. A A - i, B - ii, C - iii, D - iv
  2. B A - ii, B - i, C - iii, D - iv
  3. C A - ii, B - iii, C - i, D - iv
  4. D A - iv, B - iii, C - i, D - ii
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Correct answer: B

20
The following features belong to class
(A) Asexual reproduction by zoospores or aplanospores.
(B) Fusion of gametes may be isogamous, anisogamous or oogamous.
(C) Mycelium is aseptate and coenocytic.
(D) Spores are endogenously produced in sporangium.
  1. A Ascomycetes
  2. B Deuteromycetes
  3. C Phycomycetes
  4. D Basidiomycetes
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Correct answer: C

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