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Biology MCQ Question - Kingdom Fungi
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1. Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage:
Phage when gets incorporated with the bacterial chromosome is called prophage.
The bacterium continues to live and reproduce normally
Lysogenic bacteria may get infected by the related phage.
The cycle may convert into lytic type resulting from environmental exposure.
2. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called:
Lysis
Lysogeny
Induction
Adsorption
3. In the lytic cycle of bacteriophage the host DNA is:
Replicated
Turn off by the protein coat.
Digested into its nucleotides
Turned on by the removal of the protein coat
4. In the Lysogenic cycle the DNA of the bacteriophage:
Joins the bacterial chromosomes.
Attaches to the inner surface of the host membrane
Is immediately degraded when enters the host.
Goes directly to host ribosomes for translation
5. Temperate phage may exist as :
Prophage
Capsid
Viron
Retrovirus
6. Tobacco mosaic virus is :
Spherical
Rod Shaped
Tadpole like
Hexagonal
7. Which of the following is an RNA virus:
Influenza virus
Herpes virus
HBV
Pox virus
8. Which of the following disease results in Paralysis due to viral attack on C.N.S:
Measles
Herpes simplex
Hepatitis
Polio
9. An enzyme which can convert single stranded RNA into double stranded viral DNA is called:
DNAase
RNAase
DNA polymrase
Reverse Transcriptase
10. Which of the following virus has special affiliations with the tumor production:
Hepatitis virus
Retrovirus
Polio virus
Pox virus
11. Which of the following is the smallest known virus:
Hepatitis virus
Retrovirus
Polio virus
Pox virus
12. Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
Polio
Hepatitis
AIDS
HIV
13. Which of the following statement about AIDS is incorrect:
is a host specific disease
An infected mother cannot pass the virus to her baby.
Results in enlargement of lymph nodes
Can be prevented.
14. Mode of transmission of hepatitis A is :
Serum
Faeco-oral
Sexual contact
All of these
15. Which one of the following specially result in chronic liver disease leading to hepatic failure:
HAV
HBV
HCV
HEV
16. For which of the following no preventive vaccine is available
HAV
HBV
HCV
HEV
17. How many species of fungi are known till now
10000
100000
10000000
1000
18. Which of the following group represent pathological fungi?
Mushrooms morels and truffles
Rusts smuts and molds
Penicillium
All of these
19. Which one of the following is different from all the rest regarding the number of cells inits body?
Rusts
Mushrooms
Molds
Yeasts
20. Fungi which get their food directly from dead organic matter are called?
Parasitic fungi
Predators
Mutualists
Decomposers
21. Root like structure in saprotrophic fungi are called
Rhizodis
Haustoria
Hyphae
Constricting rings
22. Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called
Parasitic fungi
Obligate parasitic fungi
Facultative parasitic fungi
All of these
23. Oyster mushroom is an example of predator fungi which attack on
Pin warms
Tape worms
Round worms
Platehelminthes
24. Lichen is a symbiotic mutualistic association of fungi with
Autotrophs
Roots of vascular plants
Green algae and cyanobacterium
Leguminous plants
25. Foliose lichen are
Stem like
Branching
Leaf like
Crust like
26. An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:
Mycorrizael association
Endomycorrhizae
Ectomycorrhizae
Lichen
27. The Kingdom of recyclers is known as kingdom
Algae
Bacteria
Fungi
Embryophata
28. According to two kingdom classification fungi were placed in kingdom
Plantae
Animalia
Protista
Fungi
29. Ecological role of fungi as decomposers is only paralleled by
Cyanobacteria
Blue green algae
Bacteria
Virus
30. Coenocytic hyphae are also known as
Septate
Perforated hyphae
Aseptate
Uninucleate hyphae
31. Unicellular fungi which is non-hyphal is
Mushroom
Yeast
Penicillium
Mold
32. Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called
Mildew
Constricting ring
Haustoria
All of these
33. Constricting ring around nematode is formed by
Arthrobotrys
Pleurotus ostreatus
Mildews
All of these
34. Type of lichen which tightly attaches to rocks is
Parmelia
Fruticose
Foliose
Crustose
35. Mycorrhizae are found in about ______ vascular plants
90%
95%
98%
96%
36. Fungi can tolerate pH from
3?7
2?6
2?9
3?6
37. Spores in sporangia are produced by process.
Sexual
Asexual
Both of these
None of these
38. Which of the following statement is incorrect about asexual reproduction by spores in fungi?
Spores are haploid structures
They are dispersed via wind water and insects
On falling to a suitable place they germinate
These are produced through fruiting bodies like ascocarps and basidiocarps.
39. Simple breaking of mycelium resulting in formation of a new mycelium from each broken segments is called
Sporing
Conidiation
Budding
Fragmentation
40. By which of the following mechanism unicellular yeast reproduce?
Sporing
Conidiation
Budding
Fragmentation
41. In which of the following example of fungi dikaryotic hyphae exist for long period?
Deuteromycota
Basidiomycota
Zygomycota
All of these
42. Which of the following is called black bread mold?
Pilobolus
Penicillium
Neurospora
Rhizopus
43. At which stage in the life cycle of Rhizopus meiosis takes place?
Formation of sporangiophore via germination of zygospore.
Formation of spores in sporangia
Fusion of two hyphae
Formation of Zygote by fusion of gametangia.
44. Which one of the following is the largest group of fungi?
Zygomycota
Ascomycota
Basidiomycota
Deuteromycota
45. How many species of ascomycota occur in lichen symbiotic association?
30%
40%
50%
60%
46. All such fungi in which sexual phase has not been observed are present in
Zygomycota
Ascomycota
Basidiomycota
Deuteromycota
47. Mode of nutrition in penecillium is
Saprotrophs
Parasitic
Predators
Mutualistics
48. Penicillium reproduce via
Spores
Conidia
Budding
Fragmentation
49. How many species of mushrooms are edible?
100
200
3000
4000
50. Death cap/death angel (Amanita) and Jack O Latern mushroom are examples of
Edible mushrooms
Poisonous mushrooms
Both of these
Both of these
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