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Microbes Flashcards

1
Q

In most plant infecting virus, RNA is the genetic material. Give exception

A

Cauliflower mosaic virus. dsDNA

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2
Q

What is the shape of adenovirus

A

Polyhedral

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3
Q

Genetic material of pox virus

A

Dna

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4
Q

Genetic material of hepatitis b

A

Dna

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5
Q

Genetic material of adenovirus

A

Dna

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6
Q

Adenovirus causes ___ infection

A

Respiratory

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7
Q

Most animal infecting virus have dna. Give exception

A 
ssRNA:-
HIV 
Influenza virus
Polio virus
Rabbis virus
Retrovirus

dsRNA:-
Reo virus
Wound tumor virus

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8
Q

Phycomycetes with Cellulosic cell wall called

A

Oomycetes

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9
Q

Phycomycetes with chitinous cell wall called

A

Zygomycetes

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10
Q

Asexual spores of Phycomycetes (3)

A

Zoospore
Aplanospore
Sporangiospore

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11
Q

Sexual spores of Phycomycetes (2)

A

Oospore

Zygospore

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12
Q

Asexual reproduction of ascomycetes is through

A

Conidiospore

Budding in yeast

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13
Q

Sexual reproduction of Ascomycetes is through

A

Ascospore formation

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14
Q

Primary mycelium of Basidiomycetes is

A

Haploid

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15
Q

Secondary mycelium of Basidiomycetes is

A

Dikaryotic

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16
Q

n+n fertilisation is seen in

A

Basidiomycetes

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17
Q

Sexual spore of basidiomycetes

A

Basidiospore

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18
Q

How many spores does septa of basidiomycetes have. There are therefore called

A

Two. Doliporous

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19
Q

How many spores does septa of deutereomycetes have.

A

One

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20
Q

Asexual spore of deuteromycetes

A

Conidiospore

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21
Q

In bacteria infecting virus, what is the hereditary material. Give eg for such virus

A

dsDNA
T2
T4
Lambdaphages

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22
Q

Chrysanthimum stunt disease caused by

A

Viroids

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23
Q

Genetic material of viroid

A

ssRNA

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24
Q

Prions are ___ particles

A

Glycoprotein

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25
Prion can act as catalyst to convert __ to __
Normal protein to prion state
26
Accumulation of __ causes neural degeneration
Prions
27
Kuru disease caused by
Prions
28
Scrapie disease of sheep caused by
Prions
29
What causes coagulation or curdling of milk proteins
Acids produced by fermentation
30
Give three eg for lactic acid bacteria (LAB)
Streptococcus thermophilus Lactobacillus bulgaricus Streptococcus lactis
31
Acids produced by LAB can fully/partially digest the milk proteins
Partially
32
Yogurt is formed by exposing thickened milk to which two bacteria
Streptococcus thermophilus | Lactobacillus bulgaricus
33
Streptococcus thermophilus Lactobacillus bulgaricus Both of them ferment ___ present in milk into ___
Lactose to lctic acid
34
Which bacteria contributes aromatics responsible for imparting flavour to the yogurt
Lactobacillus bulgaricus
35
In cheese making, coagulation is affected by the addition of protease __ or by the action of ___( especially __ and __
Rennin LAB Streptococcus lactis and S.cremoris
36
Coagulation allows the separation of
Semi solid curd from the liquid whey
37
Blue cheese is
Roquefort cheese
38
King of cheese is
Roquefort cheese
39
Roquefort cheese is made from
Sheep milk
40
Camembert cheese ripened by
Penicilline camemberti
41
Roquefort cheese ripened by
Penicilline roqueforti
42
Cheddar cheese is ripened by using
Bacillus amyloliquifaciens
43
Enzymes involved in cheese production are (4)
Lactase Lipase Rennin Chymosin
44
Bakers yeast and brewers yeast are different strains of same species of
Saccharomyces cerevisiae
45
In bread making __ conditions are favoures
Aerobic
46
Why is aerobic conditions favoured in bread making
So that dough is converted all the way to co2 rather than to alcohol
47
Tge unfermented toddy is called
Neera
48
Fish and soyabean fermented using
Lactobacillus
49
Bamboo shoot tip fermented using
Streptococcus
50
Enzymes involved in beverage production (3)
Maltase Amylase Zymase
51
The term antibiotic coined by ___ after isolation of ___ from ___ done in the year__
Waksman Streptomycin Streptomysin griseus 1944
52
Waksman got nobel prize in which year
1952
53
While working on which bacteria, alexander fleming discovered penicillium notatum
Staphylococcal bacteria
54
Full potential of penicillium established by
Earnest chain and howard florey
55
Flemming, chain, florey got nobel prize in which year
1945
56
What are flocs
Masses of bacteria associated with fungal filaments to form mesh like structures
57
What is BOD
Amount of oxygen that would be consumed if all the organic matter in one litre of water were to be oxidised by bacteria
58
As BOD decrease, organic matters in the sewage ____
Decreases
59
Greater the BOD, more is its __
Polluting potential
60
Gases produced by the bacteria in anaerobic sludge digesters
Methane H2S Co2
61
Gases that form the biogas
Methane H2S Co2
62
Certain bacteria which grow anaerobically on cellulosic material, produce large amounts of
Methane | Co2 and h2
63
The bacterium that is commonly found in tge anaerobic sludge during sewage treatemnet
Methanobacterium
64
How much feet deep is the concrete tank used in biogas plant
10-15
65
Technology of biogas production was developed in india due to the efforts of __ and __
IARI and KVIC
66
Full form of KVIC
Khadi and village industries commission
67
___ species are free living fungi that are commonly seen in root ecosystems
Trichoderma
68
Trichoderma species are ____ that are commonly seen in root ecosystems
Free living fungi
69
Trichoderma species are free living fungi that are commonly seen in ___ ecosystems
Root
70
Majority of baculoviruses used as biocontrol agents are in the genus
Nucleopolyhedrovirus
71
___ are excellent species-specific narrow spectrum insecticides
Nucleopolyhedrovirus
72
Main sources of biofertilizers (3)
Bacteria Fungi Cyanobacteria
73
Give one eg for a symbiotic bacteria used for biofeetiliser
Rhizobium
74
Give two eg for free living N fixing bacteria
Azospirillum | Azotobacter
75
Many members of the genus ___ for mycorrhiza
Glomus
76
Fungal symbiont of mycorrhiza absorbs ___ from soil and passes it to plant
Phosphorous
77
Plants having mycorrhizal association have three additional advantages. What are they
Resistance to root borne pathogens Tolerance to salinity and drought Overall increase in plant growth and dev.
78
In paddy fields, ___ serves as an important biofertilizer
Cyanobacteria

Biology (5 decks)

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