UPSC IES - Biological Classification 1000+ MCQ [Solved] PDF Download
Thursday 9th of March 2023
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1. 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
2. Which of the following characteristic(s) is used by Whittaker for the classification of organisms ?
A. Mode of nutrition
B. Thallus organisation
C. Phylogenetic relationships
D. All of the above
Answer : D
A. Mode of nutrition
B. Thallus organisation
C. Phylogenetic relationships
D. All of the above
Answer : D
3. 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
4. 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
5. Bladderwort and Venus fly trap are examples of
A. insectivorous plants
B. parasitic plants
C. N2 rich plants
D. aquatic plants
Answer : A
A. insectivorous plants
B. parasitic plants
C. N2 rich plants
D. aquatic plants
Answer : A
6. The bacteria which oxidize various inorganic substances and use the released energy for their ATP production are called _______________.
A. Archaebacteria
B. Heterotrophic bacteria
C. Photosynthetic autotrophic bacteria
D. Chemosynthetic autotrophic bacteria
Answer : D
A. Archaebacteria
B. Heterotrophic bacteria
C. Photosynthetic autotrophic bacteria
D. Chemosynthetic autotrophic bacteria
Answer : D
7. 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
8. An X reproduces in such a great numbers that the water may appearred, producing a red tides and kills large marine animals like Z. X belongs to Y. Identify X, Y and Z.
A. X - Gonyaulax ; Y - Dinoflagellates; Z - Fishes
B. X - Paramecium ; Y - Protozoa ; Z - Crocodiles
C. X - Trypanosoma ; Y - Protozoa ; Z - Frogs
D. X - Plasmodium ; Y - Euglenoids ; Z - Oysters
Answer : A
A. X - Gonyaulax ; Y - Dinoflagellates; Z - Fishes
B. X - Paramecium ; Y - Protozoa ; Z - Crocodiles
C. X - Trypanosoma ; Y - Protozoa ; Z - Frogs
D. X - Plasmodium ; Y - Euglenoids ; Z - Oysters
Answer : A
9. 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
10. The given statements are some characters of a particular group of Kingdom protista.
(i) Most of them are fresh water organisms found in standing water.
(ii) They have a protein rich layer (called pellicle) which makes their body flexible.
(iii) They have two flagella, a short and a long one.
(iv) Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms.
Identify the correct group on the basis of these characters.
A. Protozoans
B. Chrysophytes
C. Slime moulds
D. Euglenoids
Answer : D
(i) Most of them are fresh water organisms found in standing water.
(ii) They have a protein rich layer (called pellicle) which makes their body flexible.
(iii) They have two flagella, a short and a long one.
(iv) Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms.
Identify the correct group on the basis of these characters.
A. Protozoans
B. Chrysophytes
C. Slime moulds
D. Euglenoids
Answer : D
11. 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
12. Which of the following is a parasitic fungi on the mustard plant ?
A. Albugo
B. Puccinia
C. Yeast
D. Ustilago
Answer : A
A. Albugo
B. Puccinia
C. Yeast
D. Ustilago
Answer : A
13. 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
14. 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
15. 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
16. 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
17. The genetic material of virus includes
A. only RNA.
B. only DNA.
C. RNA and DNA both
D. RNA or DNA i.e. one nucleic acid in a virus.
Answer : D
A. only RNA.
B. only DNA.
C. RNA and DNA both
D. RNA or DNA i.e. one nucleic acid in a virus.
Answer : D
18. The given figure shows the structure of filamentous blue green algae, Nostoc with a structure marked as X. Select the option which shows the correct identification of the X with its feature.
A. Spores - Reproduction
B. Heterocysts - Nitrogen fixation
C. Pellicle - Recycling of nutrition
D. Mucilaginous sheath - Photosynthesis
Answer : B
A. Spores - Reproduction
B. Heterocysts - Nitrogen fixation
C. Pellicle - Recycling of nutrition
D. Mucilaginous sheath - Photosynthesis
Answer : B
19. 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
20. A specimen of fungus is brought by a student for identification. Upon close examination, he discovered that its hyphae are completely septate and it has gills on the underside of the pileus. To which fungal group does it most likely belong ?
A. Basidiomycetes
B. Zygomycetes
C. Ascomycetes
D. Chytrids
Answer : A
A. Basidiomycetes
B. Zygomycetes
C. Ascomycetes
D. Chytrids
Answer : A
21. 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
Answer : 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
Answer : A
22. 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
23. Refer the given figure of bacteria cell and Nostoc and choose the option which shows correct label for the structure marked as A, B, C, D and E ?
A. A – Cell wall, B – Cell membrane, C – Heterocyst, D – DNA, E – Mucilagenous sheath
B. A – Cell wall, B – Cell membrane, C – DNA, D – Heterocyst, E – Mucilagenous sheath
C. A – Mucilagenous sheath, B – Cell membrane, C – DNA, D – Heterocyst, E – Cell wall
D. A – Cell membrane, B – Cell wall, C – DNA, D – Heterocyst, E – Mucilagenous sheath
Answer : B
A. A – Cell wall, B – Cell membrane, C – Heterocyst, D – DNA, E – Mucilagenous sheath
B. A – Cell wall, B – Cell membrane, C – DNA, D – Heterocyst, E – Mucilagenous sheath
C. A – Mucilagenous sheath, B – Cell membrane, C – DNA, D – Heterocyst, E – Cell wall
D. A – Cell membrane, B – Cell wall, C – DNA, D – Heterocyst, E – Mucilagenous sheath
Answer : B
24. 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
25. Which of the following pair is correctly matched ?
A. Fungi Saprophytic parasitic mode of nutrition.
B. Monera Nuclear membrane is present.
C. Plantae Cell wall is made up of cellulose.
D. Animalia Cell wall is absent.
Answer : B
A. Fungi Saprophytic parasitic mode of nutrition.
B. Monera Nuclear membrane is present.
C. Plantae Cell wall is made up of cellulose.
D. Animalia Cell wall is absent.
Answer : B
26. Protozons are not included in kingdom animalia because they are
A. mostly asymmetrical.
B. unicellular eukaryotes.
C. heterotrophic in nature.
D. multicellular prokaryotes.
Answer : B
A. mostly asymmetrical.
B. unicellular eukaryotes.
C. heterotrophic in nature.
D. multicellular prokaryotes.
Answer : B
27. Which one of the following is a characteristic feature of chrysophytes?
A. They are parasitic forms which cause diseases in animals.
B. They have a protein rich layer called pellicle.
C. They have indestructible wall layer deposited with silica.
D. They are commonly called dinoflagellates.
Answer : C
A. They are parasitic forms which cause diseases in animals.
B. They have a protein rich layer called pellicle.
C. They have indestructible wall layer deposited with silica.
D. They are commonly called dinoflagellates.
Answer : C
28. 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
29. Which scientist classify plants into trees, shrubs and herbs & animals into two groups having red blood cells and without red blood cells?
A. Aristotle
B. R. H. Whittaker
C. D. J. Ivanowsky
D. W. M. Stanley
Answer : A
A. Aristotle
B. R. H. Whittaker
C. D. J. Ivanowsky
D. W. M. Stanley
Answer : A
30. Which statement is not correct for viruses ?
A. Viruses are obligate parasites.
B. Viruses can multiply only when they are inside the living cells.
C. Viruses cannot pass through bacterial filters.
D. Viruses are made up of protein and DNA or RNA (never both DNA and RNA).
Answer : C
A. Viruses are obligate parasites.
B. Viruses can multiply only when they are inside the living cells.
C. Viruses cannot pass through bacterial filters.
D. Viruses are made up of protein and DNA or RNA (never both DNA and RNA).
Answer : C
31. 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
32. Which one single organism or the pair of organisms is correctly assigned to its taxonomic group?
A. Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
B. Lichen is a composite organism formed from the symbiotic association of an alga and a protozoan.
C. Yeast used in making bread and beer is a fungus.
D. Nostoc and Anabaena are examples of protista.
Answer : C
A. Paramecium and Plasmodium belong to the same kingdom as that of Penicillium.
B. Lichen is a composite organism formed from the symbiotic association of an alga and a protozoan.
C. Yeast used in making bread and beer is a fungus.
D. Nostoc and Anabaena are examples of protista.
Answer : C
33. Assume that two normal hyphal cells of different fungal mating types unite. After a period of time, the cell between these cells will dissolve producing a
A. mycelium
B. fruiting body
C. zygote
D. dikaryotic cell, which is also heterokaryotic
Answer : D
A. mycelium
B. fruiting body
C. zygote
D. dikaryotic cell, which is also heterokaryotic
Answer : D
34. Bacteria and yeast are similar in all the following features except that
A. both are unicellular.
B. both are prokaryotes.
C. both are capable of causing fermentation.
D. both produce spores.
Answer : B
A. both are unicellular.
B. both are prokaryotes.
C. both are capable of causing fermentation.
D. both produce spores.
Answer : B
35. 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
36. Chemosynthetic autotrophic bacteria are named so because
A. they oxidize various inorganic substances such as nitrates, nitrites and ammonia and use the released energy for their ATP production.
B. they oxidize various organic substances and use the released energy for their ATP production.
C. both (a) and (b)
D. none of these
Answer : A
A. they oxidize various inorganic substances such as nitrates, nitrites and ammonia and use the released energy for their ATP production.
B. they oxidize various organic substances and use the released energy for their ATP production.
C. both (a) and (b)
D. none of these
Answer : A
37. 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
38. 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
39. 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
40. 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
41. 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
42. Mycorrhizae are useful for plants because they
A. fix atmospheric nitrogen.
B. enhance absorption of nutrients from the soil.
C. kill insects and pathogen.
D. provide resistance against abiotic stresses.
Answer : B
A. fix atmospheric nitrogen.
B. enhance absorption of nutrients from the soil.
C. kill insects and pathogen.
D. provide resistance against abiotic stresses.
Answer : B
43. 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
44. 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
45. 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
46. Which class of fungi lacks sex organs but the process of plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes?
A. Sac fungi
B. Bracket fungi
C. Imperfect fungi
D. Phycomycetes
Answer : B
A. Sac fungi
B. Bracket fungi
C. Imperfect fungi
D. Phycomycetes
Answer : B
47. 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
48. 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
49. Which of the following is/are example(s) of deuteromycetes?
A. Alternaria
B. Colletotricum
C. Trichoderma
D. All of these
Answer : D
A. Alternaria
B. Colletotricum
C. Trichoderma
D. All of these
Answer : D
50. 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
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