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NEET • BIOLOGY • BIOLOGICAL CLASSIFICATION
Biological classification practice · Easy
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31
Easy
31 of 70
Understanding
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Categorise the given statements as true and false
I. Kingdom - Monera have eukaryotic organisation
II. is a eukaryote
III. Organised nucleus is present in eukaryotes
IV. is a prokaryote
I. Kingdom - Monera have eukaryotic organisation
II. is a eukaryote
III. Organised nucleus is present in eukaryotes
IV. is a prokaryote
View answer and explanation
Correct option: C
F, F, T, F
Option C (F, F, T, F) is correct because Monera and E. coli are prokaryotic, eukaryotes have an organized nucleus, and Paramecium is eukaryotic.
32
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Remembering
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In Amoeba, which controls the cytoplasmic osmality?
View answer and explanation
Correct option: D
Contractile vacuole
The correct answer is D (Contractile vacuole) because it regulates water balance and osmoregulation in Amoeba by expelling excess water.
33
Easy
33 of 70
Remembering
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Which of the following is an edible fungi?
View answer and explanation
Correct option: C
Agaricus
Option C is correct because Agaricus (mushrooms) are a commonly consumed edible fungi.
34
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Understanding
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Select the incorrect statement for slime moulds
View answer and explanation
Correct option: C
Their spores lack true cell wall
Option C (Their spores lack true cell wall) is correct because slime mold spores possess true cell walls for protection and dispersal.
35
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Understanding
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You might find methanogens
View answer and explanation
Correct option: C
Both (a) and (b)
Option C (Both (a) and (b)) is correct because methanogens are found in anaerobic environments such as cow's stomachs and marshy areas.
36
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Deuteromycetes is commonly known as imperfect fungi because
View answer and explanation
Correct option: C
Only the asexual or vegetative phases of these fungi are known
Option C (Only the asexual or vegetative phases of these fungi are known) is correct because Deuteromycetes lack a known sexual reproductive stage.
37
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Remembering
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Kingdom-Monera consists of
View answer and explanation
Correct option: C
Bacteria
Option C (Bacteria) is correct because Kingdom Monera consists of prokaryotic organisms, primarily bacteria.
38
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Understanding
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Pick the correct statement?
View answer and explanation
Correct option: D
All of these
Option D (All of these) is correct because all the statements about tissue grade, cell walls, and heterotrophic nutrition are accurate.
39
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Understanding
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Viruses are no more ‘alive’ than isolated chromosomes because
View answer and explanation
Correct option: B
Both require the environment of a cell to replicate
Option B (Both require the environment of a cell to replicate) is correct because viruses and isolated chromosomes both need a cellular environment to replicate their genetic material.
40
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Remembering
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African sleeping sickness is caused by
View answer and explanation
Correct option: A
Trypanosoma
Option A (Trypanosoma) is correct because African sleeping sickness is caused by the protozoan parasite Trypanosoma brucei, transmitted by the tsetse fly.
41
Easy
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Remembering
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Which of the following is a free living nitrogen fixing bacterium present in the soil?
View answer and explanation
Correct option: C
Azotobacter
Azotobacter is a free-living nitrogen-fixing bacterium present in the soil.
42
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Understanding
+4 | -1
Read the given statements and select the correct option.
Statement A: Monerans are most primitive organisms
Statement B: Monerans include only Bacteria
Statement A: Monerans are most primitive organisms
Statement B: Monerans include only Bacteria
View answer and explanation
Correct option: C
Both statements are correct
Option C (Both statements are correct) is correct because Monerans are indeed the most primitive organisms and exclusively include Bacteria.
43
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A single cell performing all physiological activities is observed in?
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Correct option: D
All of these
Option D (All of these) is correct because Monera, Protista, and Yeast (a fungus) can all perform all physiological activities within a single cell.
44
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Understanding
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Which of the following statements regarding Kingdom Plantae is correct?
View answer and explanation
Correct option: D
All of these
Option D (All of these) is correct because Kingdom Plantae includes all eukaryotic chlorophyll-containing organisms, some members are partially heterotrophic, and their cell wall is made of cellulose.
45
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45 of 70
Remembering
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Fungi are classified on the basis of
View answer and explanation
Correct option: A
Sexual reproduction
Option A (Sexual reproduction) is the correct answer because fungi are primarily classified based on the type of sexual spores they produce and the structures involved in sexual reproduction.
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46
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Halophiles differ from eubacteria in
View answer and explanation
Correct option: D
More than one option is correct
Option D (More than one option is correct) is correct because Halophiles differ from eubacteria in having different cell wall and cell membrane structures and they survive in extreme conditions.
47
Easy
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Understanding
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Amoeboid protozoans
I. live in freshwater, sea water or moist soil
II. has pseudopodia for locomotion and capturing prey
III. have silica shells on their surface in marine forms
Which of the statements given above are correct?
I. live in freshwater, sea water or moist soil
II. has pseudopodia for locomotion and capturing prey
III. have silica shells on their surface in marine forms
Which of the statements given above are correct?
View answer and explanation
Correct option: D
I, II and III
Option D (I, II and III) is correct because all three statements accurately describe Amoeboid protozoans.
48
Easy
48 of 70
Remembering
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During unfavorable conditions, Amoeba reproduces through
View answer and explanation
Correct option: C
Multiple fission
The correct answer is C (Multiple fission) because Amoeba reproduces through multiple fission during unfavorable conditions to increase survival chances.
49
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Understanding
+4 | -1
Kingdom-Protista includes
View answer and explanation
Correct option: D
Both (2) and (3)
Option D (Both (2) and (3)) is correct because some protists show zygotic meiosis and others show gametic meiosis.
50
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Find out the pairs, which are correctly matched? I. Cyanobacteria –Biopesticides II. Mycorrhiza – Solubilization of phosphate III. Bacillus thuringiensis – cry protein IV. Single cell protein – Rhizobia
View answer and explanation
Correct option: B
II and III
Option B (II and III) is correct because Mycorrhiza aids in phosphate solubilization, and Bacillus thuringiensis produces cry protein.
51
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Understanding
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Fungi show asexual reproduction by all of the following kinds of spores except
View answer and explanation
Correct option: B
Oospore
Option B (Oospore) is correct because Oospores are a product of sexual reproduction, while the question asks for asexual spores.
52
Easy
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Analyzing
+4 | -1
Analyse the following statements and identify the correct options given below
I. Two kingdom system of classification did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organism and green algae and fungi.
II. The two kingdom classification used for a long time was found inadequate
I. Two kingdom system of classification did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organism and green algae and fungi.
II. The two kingdom classification used for a long time was found inadequate
View answer and explanation
Correct option: C
I and II are true
Option C (I and II are true) is correct because the two-kingdom system had limitations in distinguishing between different types of organisms and was eventually found inadequate.
53
Easy
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Remembering
+4 | -1
Membrane-bound organelles are absent in
View answer and explanation
Correct option: B
Streptococcus
Option B (Streptococcus) is correct because Streptococcus is a prokaryote, and prokaryotes lack membrane-bound organelles.
54
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Understanding
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Under unfavourable conditions bacteria reproduce through?
View answer and explanation
Correct option: C
Endospore Formation
Option C (Endospore Formation) is correct because bacteria form endospores to survive harsh conditions.
55
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Understanding
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Heterotrophic bacteria are dependent on other organism for
View answer and explanation
Correct option: B
Nutrition
Option B (Nutrition) is correct because heterotrophic bacteria rely on other organisms for their source of organic carbon and energy, which is related to nutrition.
56
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Understanding
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Which is correct?
View answer and explanation
Correct option: D
Some virus has RNA as genetic material
Option D (Some virus has RNA as genetic material) is correct because some viruses, like retroviruses, use RNA as their genetic material.
57
Easy
57 of 70
Remembering
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Dikaryophase of fungus occurs in
View answer and explanation
Correct option: A
Ascomycetes and Basidiomycetes
Option A (Ascomycetes and Basidiomycetes) is correct because dikaryophase is a characteristic feature of these two classes of fungi.
58
Easy
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Understanding
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Which of the following statements are false about viruses?
I. Viruses are facultative parasites
II. Viruses can multiply only when they are inside the living cells
III. Viruses cannot pass bacterial proof filters
IV. Viruses do not contains proteins DNA and RNA
Code
I. Viruses are facultative parasites
II. Viruses can multiply only when they are inside the living cells
III. Viruses cannot pass bacterial proof filters
IV. Viruses do not contains proteins DNA and RNA
Code
View answer and explanation
Correct option: C
I, III and IV
Option C (I, III and IV) is correct because viruses are not facultative parasites, can pass through bacterial proof filters, and contain proteins, DNA, or RNA.
59
Easy
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Understanding
+4 | -1
Identify the wrong combination
View answer and explanation
Correct option: D
Cuscuta – Autoroph
Option D (Cuscuta – Autoroph) is correct because Cuscuta is a parasite and not an autotroph.
60
Easy
60 of 70
Remembering
+4 | -1
Which of the following is a non-hyphal unicellular fungus?
View answer and explanation
Correct option: A
Yeast
Option A is correct because yeast is a unicellular fungus that does not form hyphae.
Revision notes and key takeaways
Review BIOLOGICAL CLASSIFICATION in your textbook or class notes, then use this set to check your understanding.
Showing 31-60 of 70 questions