Biological Classification — DPP 9

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
A free living aerobic bacteria capable of fixing nitrogen is :-
  1. A Azotobactor
  2. B Rhizobium
  3. C Clostridium botulinum
  4. D Streptomyces
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Correct answer: A

2
Consider the following statements :-
I. All prokaryotic organisms were grouped together under kingdom-Monera.
II. The unicellular eukaryotic organisms were placed in kingdom-Protista.
III. Chlorella and Chlamydomonas, both have cell wall.
IV. Paramoecium and Amoeba lack cell walls.
V. Kingdom-Protista has brought together Chlamydomonas, Chlorella with Paramoecium and Amoeba.
Which of the statements given above are correct?
  1. A Only I, II, III and V
  2. B Only II, III, IV and V
  3. C Only I, II, III and IV
  4. D I, II, III, IV and V
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Correct answer: D

3
Which of the following statement is false?
  1. A Euglena shows mixotrophic nutrition.
  2. B Spores of slime moulds have true cell walls.
  3. C Prions cause Potato spindle tuber disease.
  4. D Mad cow disease is caused by Prions.
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Correct answer: C

4
Carolus Linnaeus classified plant kingdom on the basis of :-
  1. A Floral morphology
  2. B Overall morphology of plants
  3. C Type of sexual reproduction
  4. D Anatomical character
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Correct answer: A

5
Phycobiont is a :
  1. A algal, autotrophic component of mycorrhiza
  2. B fungal, heterotrophic component of lichen
  3. C fungal component of mycorrhiza
  4. D algal, autotrophic component of lichen
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Correct answer: D

6
Besides paddy fields, cyanobacteria are also found inside vegetative part of:
  1. A Psilotum
  2. B Pinus
  3. C Cycas
  4. D Equisetum
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Correct answer: C

7
Choose the incorrect statement regarding decomposer :-
  1. A They may be prokaryotes or eukaryotes.
  2. B They may be unicellular or multicellular
  3. C They convert inorganic into organic compounds
  4. D They play a great role in ecology
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Correct answer: C

8
The fungi are :-
  1. A Autotrophic
  2. B Holotrophic
  3. C Chemotrophic
  4. D Heterotrophic
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Correct answer: D

9
In which kingdom would you classify the archaebacteria and nitrogen-fixing organisms. If the five-kingdom system of classification is used ?
  1. A Monera
  2. B Plantae
  3. C Fungi
  4. D Protista
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Correct answer: A

10
The diatoms do not easily decay like most of the other Algae because:
  1. A They have water proof cells
  2. B Their walls are mucilagenous
  3. C They have highly siliceous wall
  4. D They are non-living
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Correct answer: C

11
Choose the correct statement -
  1. A Members of phycomycetes are facultative parasites on plants.
  2. B Fusion of protoplasm between two motile or non-motile gametes is called as plasmogamy.
  3. C Kingdom Plantae includes all eukaryotic chlorophyll containing organisms and non-chlorophyll organisms called plants.
  4. D Trichoderma belongs to basidiomycetes.
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Correct answer: B

12
Among the given statements which are correct?
(A) Fusion of two nuclei called plasmogamy.
(B) In phycomycetes, mycelium is aseptate and coenocytic.
(C) In Animals, mode of nutrition is holozoic.
(D) Mad cow disease is caused by TMV virus.
  1. A (A), (B), (C) and (D)
  2. B (B) and (C)
  3. C (C) and (D)
  4. D (A), (B) and (D)
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Correct answer: B

13
Prions are/have-
  1. A DNA as genetic material
  2. B RNA as genetic material
  3. C Non-infectious
  4. D Abnormal folded protein
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Correct answer: D

14
Match the following and choose the correct combination form the options given -
Biological Classification – NEET-1904
  1. A A - i, B - ii, C - iii, D - iv
  2. B A - ii, B - iii, C - iv, D - i
  3. C A - iv, B - iii, C - ii, D - i
  4. D A - iii, B - iv, C - ii, D - i
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Correct answer: C

15
Many fungi are $\_\_\_\_$ associating with photosynthetic organisms to form mycorrhizae or lichens -
  1. A Parasitic
  2. B Symbiotic
  3. C Photosynthetic
  4. D Saprobic
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Correct answer: B

16
Flagella of prokaryotic and eukaryotic cells differ in :-
  1. A Microtubular organization and function
  2. B Type of movement and placement in cell
  3. C Location in cell and mode of functioning
  4. D Microtubular organization and type of movement
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Correct answer: D

17
Which of the following are edible Ascomycetes delicacies?
  1. A Morels + Mushroom
  2. B Truffles + Toadstool
  3. C Morels + Truffles
  4. D Puffball + Mushroom
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Correct answer: C

18
A dikaryon is formed when
  1. A Meiosis is arrested
  2. B The two haploid nuclei do not fuse immediately
  3. C Cytoplasm does not fuse
  4. D None of the above
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Correct answer: B

19
All of the following diseases are caused by bacteria except :-
  1. A Flu
  2. B Cholera
  3. C Tetanus
  4. D Typhoid
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Correct answer: A

20
Naked cytoplasm, multinucleated and saprophytic are the characteristics of :
  1. A Monera
  2. B Protista
  3. C Fungi
  4. D Slime molds
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Correct answer: D

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