SSC CGL - Biological Classification 1000+ MCQ [Solved] PDF Download
Thursday 9th of March 2023
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1. Which of the following pigment is present in cyanobacteria?
A. Chlorophyll a
B. Chlorophyll b
C. Chlorophyll c
D. Chlorophyll d
Answer : A
A. Chlorophyll a
B. Chlorophyll b
C. Chlorophyll c
D. Chlorophyll d
Answer : A
2. A virus can be considered a living organism because it
A. responds to touch stimulus
B. respires
C. reproduces (inside the host)
D. can cause disease
Answer : C
A. responds to touch stimulus
B. respires
C. reproduces (inside the host)
D. can cause disease
Answer : C
3. Which of the following pairs comes under the group chrysophytes ?
A. Diatoms and Euglena
B. Euglena and Trypanosoma
C. Diatoms and Desmids
D. Gonyaulax and Desmids
Answer : C
A. Diatoms and Euglena
B. Euglena and Trypanosoma
C. Diatoms and Desmids
D. Gonyaulax and Desmids
Answer : C
4. Which of the following class of fungi is being described by the given statements ?
(i) They are found in aquatic habitats and on decaying wood in moist and damp places.
(ii) Mycelium is aseptate and coenocytic.
(iii) Asexual reproduction takes place by zoospores (motile) or by aplanospores (non-motile).
(iv) Some common examples are Mucor, Rhizopus and Albugo.
A. Ascomycetes
B. Phycomycetes
C. Basidiomycetes
D. Deuteromycetes
Answer : B
(i) They are found in aquatic habitats and on decaying wood in moist and damp places.
(ii) Mycelium is aseptate and coenocytic.
(iii) Asexual reproduction takes place by zoospores (motile) or by aplanospores (non-motile).
(iv) Some common examples are Mucor, Rhizopus and Albugo.
A. Ascomycetes
B. Phycomycetes
C. Basidiomycetes
D. Deuteromycetes
Answer : B
5. The symbiotic association of fungi and algae is called
A. lichen
B. mycorrhiza
C. rhizome
D. endomycorrhiza
Answer : A
A. lichen
B. mycorrhiza
C. rhizome
D. endomycorrhiza
Answer : A
6. Match the type of protozoans given in column-I with their examples given in column-II and choose the correct option.
A. A I; B III; C IV; D II
B. A III; B I; C II; D IV
C. A III; B I; C IV; D II
D. A III; B IV; C I; D II
Answer : C
| Column-I | Column-II |
|---|---|
| (Type of Protozoans) | (Examples) |
| A. Amoeboid protozoans | I. Paramecium |
| B. Ciliated protozoans | II. Plasmodium |
| C. Flagellated protozoans | III. Amoeba |
| D. Sporozoans | IV. Trypanosoma |
A. A I; B III; C IV; D II
B. A III; B I; C II; D IV
C. A III; B I; C IV; D II
D. A III; B IV; C I; D II
Answer : C
7. Read the given statements and answer the question.
(i) It includes unicellular as well as multicellular fungi.
(ii) In multicellular forms hyphae are branched and septate.
(iii) Conidiophore produces conidia (spores) exogenously in chain.
(iv) Sexual spores are ascospores produced endogenously in chain.
(v) Fruiting body is called ascocarp.
Identify the correct class of fungi which have all the given characteristics.
A. Phycomycetes
B. Sac fungi
C. Club fungi
D. Fungi imperfecti
Answer : B
(i) It includes unicellular as well as multicellular fungi.
(ii) In multicellular forms hyphae are branched and septate.
(iii) Conidiophore produces conidia (spores) exogenously in chain.
(iv) Sexual spores are ascospores produced endogenously in chain.
(v) Fruiting body is called ascocarp.
Identify the correct class of fungi which have all the given characteristics.
A. Phycomycetes
B. Sac fungi
C. Club fungi
D. Fungi imperfecti
Answer : B
8. Which of the following pair is not correctly matched ?
A. Anabaena Cyanobacteria
B. Amoeba Protozoa
C. Gonyaulax Dinoflagellates
D. Albugo Chrysophytes
Answer : D
A. Anabaena Cyanobacteria
B. Amoeba Protozoa
C. Gonyaulax Dinoflagellates
D. Albugo Chrysophytes
Answer : D
9. 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.
A. Only (i)
B. Both (ii) and (iii)
C. (ii), (iii) and (iv)
D. All of these
Answer : C
(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.
A. Only (i)
B. Both (ii) and (iii)
C. (ii), (iii) and (iv)
D. All of these
Answer : C
10. Lichens indicate SO2 pollution because they
A. show association between algae and fungi.
B. grow faster than others.
C. are sensitive to SO2.
D. flourish in SO2 rich environment.
Answer : C
A. show association between algae and fungi.
B. grow faster than others.
C. are sensitive to SO2.
D. flourish in SO2 rich environment.
Answer : C
11. Which of the following is not a viral disease ?
A. AIDS and mumps
B. Small pox and herpes
C. Influenza
D. Cholera
Answer : D
A. AIDS and mumps
B. Small pox and herpes
C. Influenza
D. Cholera
Answer : D
12. Which of the following kingdom does not have nuclear membrane ?
A. Protista
B. Fungi
C. Monera
D. Plantae
Answer : C
A. Protista
B. Fungi
C. Monera
D. Plantae
Answer : C
13. Dikaryon formation is the characteristic feature of
A. ascomycetes and basidiomycetes.
B. phycomycetes and basidiomycetes.
C. ascomycetes and phycomycetes.
D. phycomycetes and zygomycetes.
Answer : A
A. ascomycetes and basidiomycetes.
B. phycomycetes and basidiomycetes.
C. ascomycetes and phycomycetes.
D. phycomycetes and zygomycetes.
Answer : A
14. Which of the following group of kingdom protista is being described by the statements given below ?
(i) This group includes diatoms and golden algae.
(ii) They are microscopic and float passively in water currents (plankton).
(iii) Most of them are photosynthetic.
(iv) They have deposits in their habitat; this accumulation over billion of years is referred to as diatomaceous earth.
A. Dinoflagellates
B. Chrysophytes
C. Euglenoids
D. Slime moulds
Answer : B
(i) This group includes diatoms and golden algae.
(ii) They are microscopic and float passively in water currents (plankton).
(iii) Most of them are photosynthetic.
(iv) They have deposits in their habitat; this accumulation over billion of years is referred to as diatomaceous earth.
A. Dinoflagellates
B. Chrysophytes
C. Euglenoids
D. Slime moulds
Answer : B
15. Match the terms given in column-I with their examples given in column-II and choose the correct option
A. A II, B III, C IV, D V, E I
B. A I, B II, C III, D V, E IV
C. A II, B V, C III, D I, E IV
D. A II, B III, C IV, D I, E V
Answer : D
| Column-I | Column-II |
|---|---|
| (Terms) | (Examples) |
| A. Ascus | I. Spirulina |
| B. Basidium | II. Penicillium |
| C. Protista | III. Agaricus |
| D. Cyanobacteria | IV. Euglena |
| E. Animalia | V. Sponges |
A. A II, B III, C IV, D V, E I
B. A I, B II, C III, D V, E IV
C. A II, B V, C III, D I, E IV
D. A II, B III, C IV, D I, E V
Answer : D
16. Identify the following figures A, B and C.
A. A – Euglena, B – Paramecium, C – Agaricus
B. A – Euglena, B – Planaria, C – Agaricus
C. A – Planaria, B – Paramecium, C – Agaricus
D. A – Euglena, B – Paramecium, C – Aspergillus
Answr : A
A. A – Euglena, B – Paramecium, C – Agaricus
B. A – Euglena, B – Planaria, C – Agaricus
C. A – Planaria, B – Paramecium, C – Agaricus
D. A – Euglena, B – Paramecium, C – Aspergillus
Answr : A
17. Which of the following statement is not correct for methanogens?
A. They are archaebacteria.
B. They live in marshy areas.
C. Methane is their preferred carbon source.
D. They are present in guts of several ruminant animals (cow, buffaloes) and produce biogas (CH4) from the dung of these animals.
Answer : C
A. They are archaebacteria.
B. They live in marshy areas.
C. Methane is their preferred carbon source.
D. They are present in guts of several ruminant animals (cow, buffaloes) and produce biogas (CH4) from the dung of these animals.
Answer : C
18. Fungi show asexual reproduction by all of the following kinds of spores except
A. conidia
B. oospores
C. sporangiospores
D. zoospores
Answer : B
A. conidia
B. oospores
C. sporangiospores
D. zoospores
Answer : B
19. Match the class of fungi given in column-I with their common name given in column-II and select the correct option.
A. A II, B I, C IV, D III
B. A II, B IV, C I, D III
C. A IV, B I, C II, D III
D. A IV, B III, C II, D I
Answer : A
| Column-I | Column-II |
|---|---|
| (Class of fungi) | (Common name) |
| A. Phycomycetes | I. Sac fungi |
| B. Ascomycetes | II. Algal fungi |
| C. Basidiomycetes | III. Fungi imperfecti |
| D. Deuteromycetes | IV. Club fungi |
A. A II, B I, C IV, D III
B. A II, B IV, C I, D III
C. A IV, B I, C II, D III
D. A IV, B III, C II, D I
Answer : A
20. Which of the following is the correct sequence of three steps in the sexual cycle of fungi?
A. Mitosis -> Meiosis -> Fertilization
B. Plasmogamy -> Karyogamy -> Meiosis
C. Mitosis -> Plasmogamy -> Karyogamy
D. Karyogamy -> Plasmogamy -> Meiosis
Answer : B
A. Mitosis -> Meiosis -> Fertilization
B. Plasmogamy -> Karyogamy -> Meiosis
C. Mitosis -> Plasmogamy -> Karyogamy
D. Karyogamy -> Plasmogamy -> Meiosis
Answer : B
21. Which of the following statement(s) is/are correct about ascomycetes ?
(i) Neurospora, which is used in biochemical and genetic work is a member of this class.
(ii) They are mostly multicellular, e.g., Yeast, or rarely unicellular, e.g., Penicillium.
(iii) They are saprophytic, decomposers, parasitic or coprophilous.
(iv) Some examples are Aspergillus, Claviceps and Neurospora.
A. Both (i) and (ii)
B. Only (ii)
C. (i), (iii) and (iv)
D. All of these
Answer : C
(i) Neurospora, which is used in biochemical and genetic work is a member of this class.
(ii) They are mostly multicellular, e.g., Yeast, or rarely unicellular, e.g., Penicillium.
(iii) They are saprophytic, decomposers, parasitic or coprophilous.
(iv) Some examples are Aspergillus, Claviceps and Neurospora.
A. Both (i) and (ii)
B. Only (ii)
C. (i), (iii) and (iv)
D. All of these
Answer : C
22. Which group of fungi is commonly known as imperfect fungi ?
A. Phycomycetes
B. Ascomycetes
C. Basidiomycetes
D. Deuteromycetes
Answer : D
A. Phycomycetes
B. Ascomycetes
C. Basidiomycetes
D. Deuteromycetes
Answer : D
23. How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosomes, Porphyra, Wolffia
A. Four
B. Five
C. Six
D. Three
Answer : C
A. Four
B. Five
C. Six
D. Three
Answer : C
24. Ustilago causes plant diseases (called smuts) because
A. they parasitize on cereals.
B. they lack mycelium.
C. they develop sooty masses of spores.
D. their affected parts becomes completely black.
Answer : D
A. they parasitize on cereals.
B. they lack mycelium.
C. they develop sooty masses of spores.
D. their affected parts becomes completely black.
Answer : D
25. Identify the basis of classification of fungi into phycomycetes, ascomycetes, basidiomycetes and deuteromycetes.
i. Fruiting bodies
ii. Nature of habitat
iii. Morphology of mycelium
iv. Mode of spore formation
A. i & ii only
B. ii & iii only
C. i, ii, & iv only
D. All of these
Answer : C
i. Fruiting bodies
ii. Nature of habitat
iii. Morphology of mycelium
iv. Mode of spore formation
A. i & ii only
B. ii & iii only
C. i, ii, & iv only
D. All of these
Answer : C
26. Which of the following is smallest living cell and can live without oxygen ?
A. Mycoplasma
B. Mycorrhiza
C. Euglena
D. Trypanosoma
Answer : A
A. Mycoplasma
B. Mycorrhiza
C. Euglena
D. Trypanosoma
Answer : A
27. Read the following statements and answer the question given below
(i) They are saprophytic protists.
(ii) Under suitable conditions, they form an aggregation (called plasmodium) which may grow and spread over several feet.
(iii) During unfavourable conditions, the plasmodium differentiates and forms fruiting bodies bearing spores at their tips.
Which of the following class of protists is being described by the above statements ?
A. Euglenoids
B. Dinoflagellates
C. Slime moulds
D. Protozoans
Answer : C
(i) They are saprophytic protists.
(ii) Under suitable conditions, they form an aggregation (called plasmodium) which may grow and spread over several feet.
(iii) During unfavourable conditions, the plasmodium differentiates and forms fruiting bodies bearing spores at their tips.
Which of the following class of protists is being described by the above statements ?
A. Euglenoids
B. Dinoflagellates
C. Slime moulds
D. Protozoans
Answer : C
28. In some viruses, RNA is present instead of DNA indicating that
A. their nucleic acid must combine with host DNA before replication.
B. they cannot replicate.
C. there is no hereditary information.
D. RNA can transfer heredity material.
Answer : D
A. their nucleic acid must combine with host DNA before replication.
B. they cannot replicate.
C. there is no hereditary information.
D. RNA can transfer heredity material.
Answer : D
29. Yeast is not included in protozoans but in fungi because
A. it has no chlorophyll.
B. some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
C. it has eukaryotic organization.
D. cell wall is made up of cellulose and reserve food material is starch.
Answer : B
A. it has no chlorophyll.
B. some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
C. it has eukaryotic organization.
D. cell wall is made up of cellulose and reserve food material is starch.
Answer : B
30. Choose the correct statements (i v) regarding mycoplasma
(i) Mycoplasma has no cell wall.
(ii) Mycoplasma is the smallest living organism.
(iii) Mycoplasma cannot survive without O2.
(iv) Mycoplasma are pathogenic in animals and plants.
(v) A sort of sexual reproduction occurs in bacterium by adopting a primitive DNA transfer from one bacterium to the other.
A. Only (iii)
B. (i), (iii) and (v)
C. (i), (ii), (iv), and (v)
D. All of the above
Answer : C
(i) Mycoplasma has no cell wall.
(ii) Mycoplasma is the smallest living organism.
(iii) Mycoplasma cannot survive without O2.
(iv) Mycoplasma are pathogenic in animals and plants.
(v) A sort of sexual reproduction occurs in bacterium by adopting a primitive DNA transfer from one bacterium to the other.
A. Only (iii)
B. (i), (iii) and (v)
C. (i), (ii), (iv), and (v)
D. All of the above
Answer : C
31. Match the scientists given in column I with their discovery given in column II and choose the correct option.
A. A IV, B III, C II, D I
B. A III, B IV, C II, D I
C. A II, B III, C IV, D I
D. A I, B II, C III, D IV
Answer : A
| Column-I | Column-II |
|---|---|
| (Scientists) | (Discovery) |
| A. Ernst Mayr | I. Discovered Viroids |
| B. Whittaker | II. Gave the name virus |
| C. Pasteur | III. Proposed five kingdom classification |
| D. Diener | IV. Darwin of the 20th century |
A. A IV, B III, C II, D I
B. A III, B IV, C II, D I
C. A II, B III, C IV, D I
D. A I, B II, C III, D IV
Answer : A
32. Plasmogamy is the fusion of
A. two haploid cells including their nuclei.
B. two haploid cells without nuclear fusion.
C. sperm and egg.
D. sperm and two polar nuclei.
Answer : B
A. two haploid cells including their nuclei.
B. two haploid cells without nuclear fusion.
C. sperm and egg.
D. sperm and two polar nuclei.
Answer : B
33. Fungi are filamentous with the exception of X which is unicellular. Identify X.
A. Yeast
B. Algae
C. Bacteria
D. Lichen
Answer : A
A. Yeast
B. Algae
C. Bacteria
D. Lichen
Answer : A
34. Protists are
A. single-celled eukaryotes.
B. multicellular eukaryotes.
C. single-celled prokaryotes.
D. single-celled akaryote.
Answer : A
A. single-celled eukaryotes.
B. multicellular eukaryotes.
C. single-celled prokaryotes.
D. single-celled akaryote.
Answer : A
35. Which of the following statement is correct for dinoflagellates flagella ?
A. A single flagellum lies in the transverse groove between the cell plates.
B. A single flagellum lies in the longitudinal groove between the cell plates.
C. Two flagella, one lies longitudinally and the other transversely in a furrow between the wall plates.
D. Flagella are absent.
Answer : C
A. A single flagellum lies in the transverse groove between the cell plates.
B. A single flagellum lies in the longitudinal groove between the cell plates.
C. Two flagella, one lies longitudinally and the other transversely in a furrow between the wall plates.
D. Flagella are absent.
Answer : C
36. Match column I with column II and choose the correct option.
A. A-(i) B-(ii) C-(iii) D-(iv) E-(v)
B. A-(iii) B-(v) C-(ii) D-(iv) E-(i)
C. A-(iii) B-(i) C-(v) D-(ii) E-(iv)
D. A-(v) B-(iv) C-(iii) D-(i) E-(ii)
Answer : D
| Column I | Column II |
|---|---|
| A. Mycoplasma | (i) Nitrogen fixing cells |
| B. Decomposers | (ii) Blue green algae |
| C. Methanogens | (iii) Production of methane |
| D. Heterocysts | (iv) Most abundant heterotrophs |
| E. Cyanobacteria | (v) Pathogenic in plants and animals |
A. A-(i) B-(ii) C-(iii) D-(iv) E-(v)
B. A-(iii) B-(v) C-(ii) D-(iv) E-(i)
C. A-(iii) B-(i) C-(v) D-(ii) E-(iv)
D. A-(v) B-(iv) C-(iii) D-(i) E-(ii)
Answer : D
37. Which of the following is/are example(s) of deuteromycetes?
A. Alternaria
B. Colletotrichum
C. Trichoderma
D. All of these
Answer : D
A. Alternaria
B. Colletotrichum
C. Trichoderma
D. All of these
Answer : D
38. Which of the following statement is incorrect ?
A. TMV has a double-stranded RNA molecule.
B. Most plant viruses are RNA viruses.
C. The bacteriophage has a double-stranded DNA molecule.
D. Most animal viruses are DNA viruses.
Answer : A
A. TMV has a double-stranded RNA molecule.
B. Most plant viruses are RNA viruses.
C. The bacteriophage has a double-stranded DNA molecule.
D. Most animal viruses are DNA viruses.
Answer : A
39. Which of the following processes involved in the reproduction of protists ?
A. Binary fission and budding
B. Cell fusion and zygote formation
C. Spore formation and cyst formation
D. All of the above
Answer : D
A. Binary fission and budding
B. Cell fusion and zygote formation
C. Spore formation and cyst formation
D. All of the above
Answer : D
40. Bacteria are found to be primitive organisms because they
A. are small, microscopic which are not seen with naked eye.
B. cause serious diseases to human being, domesticated animals and crop plants.
C. produce endospores which are very resistant to adverse conditions.
D. possess incipient nucleus and show amitotic division.
Answer : D
A. are small, microscopic which are not seen with naked eye.
B. cause serious diseases to human being, domesticated animals and crop plants.
C. produce endospores which are very resistant to adverse conditions.
D. possess incipient nucleus and show amitotic division.
Answer : D
41. Select the correct match from the given option.
A. Occurrence of dikaryotic stage - ascomycetes and basidiomycetes.
B. Saprophytes - They are autotrophic and absorb soluble organic matter from dead substrates.
C. Vegetative mean of reproduction in fungi - fragmentation, budding and sporangiophores.
D. Steps involved in asexual cycle of fungi - plasmogamy, karyogamy and meiosis in zygote resulting in haploid spores.
Answer : A
A. Occurrence of dikaryotic stage - ascomycetes and basidiomycetes.
B. Saprophytes - They are autotrophic and absorb soluble organic matter from dead substrates.
C. Vegetative mean of reproduction in fungi - fragmentation, budding and sporangiophores.
D. Steps involved in asexual cycle of fungi - plasmogamy, karyogamy and meiosis in zygote resulting in haploid spores.
Answer : A
42. The figure given below shows the structure of a bacteriophage. Identify its parts labelled as A, B, C and D.
A. A - Tail fibres B - Head C - Sheath D - Collar
B. A - Sheath B - Collar C - Head D - Tail fibres
C. A - Head B - Sheath C - Collar D - Tail fibres
D. A - Collar B - Tail fibres C - Head D - Sheath
Answer : C
A. A - Tail fibres B - Head C - Sheath D - Collar
B. A - Sheath B - Collar C - Head D - Tail fibres
C. A - Head B - Sheath C - Collar D - Tail fibres
D. A - Collar B - Tail fibres C - Head D - Sheath
Answer : C
43. Which of the following is an example of amoeboid protozoans ?
A. Trypanosoma
B. Paramecium
C. Gonyaulax
D. Entamoeba
Answer : D
A. Trypanosoma
B. Paramecium
C. Gonyaulax
D. Entamoeba
Answer : D
44. Which of the following statement is/ are correct for bacteria ?
A. They are the members of the kingdom monera.
B. They live in extreme habitats such as hot springs, deserts, snow and deep oceans.
C. They show the most extensive metabolic diversity.
D. All of the above
Answer : D
A. They are the members of the kingdom monera.
B. They live in extreme habitats such as hot springs, deserts, snow and deep oceans.
C. They show the most extensive metabolic diversity.
D. All of the above
Answer : D
45. Choose the correct names of the different bacteria given below according to their shapes.
A. A – Cocci, B – Bacilli, C – Spirilla, D – Vibrio
B. A – Bacilli, B – Cocci, C – Spirilla, D – Vibrio
C. A – Spirilla, B – Bacilli, C – Cocci, D – Vibrio
D. A – Spirilla, B – Vibrio, C – Cocci, D – Bacilli
Answer : A
A. A – Cocci, B – Bacilli, C – Spirilla, D – Vibrio
B. A – Bacilli, B – Cocci, C – Spirilla, D – Vibrio
C. A – Spirilla, B – Bacilli, C – Cocci, D – Vibrio
D. A – Spirilla, B – Vibrio, C – Cocci, D – Bacilli
Answer : A
46. Why food can be kept for a longer time in cold house than in normal conditions ? Because,
A. insect cannot enter.
B. bacterial multiplication stops.
C. bacterial multiplication is reduced.
D. there is plasmolysis at low temperature.
Answer : C
A. insect cannot enter.
B. bacterial multiplication stops.
C. bacterial multiplication is reduced.
D. there is plasmolysis at low temperature.
Answer : C
47. Match column-I (Characters/feature) with column-II (examples) and choose the correct option.
A. A III; B II; C I; D IV
B. A II; B III; C I; D IV
C. A II; B III; C IV; D I
D. A II; B IV; C III; D I
Answer : C
| Column-I | Column-II |
|---|---|
| (Characters/features) | (Examples) |
| A. Red dinoflagellates | I. Rhizopus |
| B. Unicellular fungi used to | II. Gonyaulax make bread and beer |
| C. Source of antibiotics | III. Yeast |
| D. Bread mould | IV. Penicillium |
A. A III; B II; C I; D IV
B. A II; B III; C I; D IV
C. A II; B III; C IV; D I
D. A II; B IV; C III; D I
Answer : C
48. Which of the following statement(s) is/are correct ?
(i) Reproduction in fungi can take place by vegetative means fragmentation, fission and budding.
(ii) Fusion of two nuclei is called plasmogamy.
(iii) Fusion of protoplasms between two motile or nonmotile gametes is called karyogamy.
(iv) Meiosis in zygote results in diploid spores.
A. Only (i)
B. Both (ii) and (iii)
C. (ii), (iii) and (iv)
D. All of these
Answer : A
(i) Reproduction in fungi can take place by vegetative means fragmentation, fission and budding.
(ii) Fusion of two nuclei is called plasmogamy.
(iii) Fusion of protoplasms between two motile or nonmotile gametes is called karyogamy.
(iv) Meiosis in zygote results in diploid spores.
A. Only (i)
B. Both (ii) and (iii)
C. (ii), (iii) and (iv)
D. All of these
Answer : A
49. Clamp connection is found in
A. basidiomycetes
B. ascomycetes
C. saccharomycetes
D. haplomycetes
Answer : A
A. basidiomycetes
B. ascomycetes
C. saccharomycetes
D. haplomycetes
Answer : A
50. Bacteria were regarded to be plants because
A. some of them are green in colour.
B. they are present every where.
C. some of them cannot move.
D. they have a rigid cell wall.
Answer : D
A. some of them are green in colour.
B. they are present every where.
C. some of them cannot move.
D. they have a rigid cell wall.
Answer : D
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