Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology > Microbes > Flashcards

Microbes Flashcards

1
Q

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

A

Cauliflower mosaic virus. dsDNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the shape of adenovirus

A

Polyhedral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Genetic material of pox virus

A

Dna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Genetic material of hepatitis b

A

Dna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Genetic material of adenovirus

A

Dna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Adenovirus causes ___ infection

A

Respiratory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Phycomycetes with Cellulosic cell wall called

A

Oomycetes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Phycomycetes with chitinous cell wall called

A

Zygomycetes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Asexual spores of Phycomycetes (3)

A

Zoospore
Aplanospore
Sporangiospore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sexual spores of Phycomycetes (2)

A

Oospore

Zygospore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Asexual reproduction of ascomycetes is through

A

Conidiospore

Budding in yeast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Sexual reproduction of Ascomycetes is through

A

Ascospore formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Primary mycelium of Basidiomycetes is

A

Haploid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Secondary mycelium of Basidiomycetes is

A

Dikaryotic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

n+n fertilisation is seen in

A

Basidiomycetes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Sexual spore of basidiomycetes

A

Basidiospore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

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

A

Two. Doliporous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How many spores does septa of deutereomycetes have.

A

One

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Asexual spore of deuteromycetes

A

Conidiospore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

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

A

dsDNA
T2
T4
Lambdaphages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Chrysanthimum stunt disease caused by

A

Viroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Genetic material of viroid

A

ssRNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Prions are ___ particles

A

Glycoprotein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Prion can act as catalyst to convert __ to __

A

Normal protein to prion state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Accumulation of __ causes neural degeneration

A

Prions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Kuru disease caused by

A

Prions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Scrapie disease of sheep caused by

A

Prions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What causes coagulation or curdling of milk proteins

A

Acids produced by fermentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Give three eg for lactic acid bacteria (LAB)

A

Streptococcus thermophilus
Lactobacillus bulgaricus
Streptococcus lactis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Acids produced by LAB can fully/partially digest the milk proteins

A

Partially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Yogurt is formed by exposing thickened milk to which two bacteria

A

Streptococcus thermophilus

Lactobacillus bulgaricus

33
Q

Streptococcus thermophilus
Lactobacillus bulgaricus
Both of them ferment ___ present in milk into ___

A

Lactose to lctic acid

34
Q

Which bacteria contributes aromatics responsible for imparting flavour to the yogurt

A

Lactobacillus bulgaricus

35
Q

In cheese making, coagulation is affected by the addition of protease __ or by the action of ___( especially __ and __

A

Rennin
LAB
Streptococcus lactis and S.cremoris

36
Q

Coagulation allows the separation of

A

Semi solid curd from the liquid whey

37
Q

Blue cheese is

A

Roquefort cheese

38
Q

King of cheese is

A

Roquefort cheese

39
Q

Roquefort cheese is made from

A

Sheep milk

40
Q

Camembert cheese ripened by

A

Penicilline camemberti

41
Q

Roquefort cheese ripened by

A

Penicilline roqueforti

42
Q

Cheddar cheese is ripened by using

A

Bacillus amyloliquifaciens

43
Q

Enzymes involved in cheese production are (4)

A

Lactase
Lipase
Rennin
Chymosin

44
Q

Bakers yeast and brewers yeast are different strains of same species of

A

Saccharomyces cerevisiae

45
Q

In bread making __ conditions are favoures

46
Q

Why is aerobic conditions favoured in bread making

A

So that dough is converted all the way to co2 rather than to alcohol

47
Q

Tge unfermented toddy is called

48
Q

Fish and soyabean fermented using

A

Lactobacillus

49
Q

Bamboo shoot tip fermented using

A

Streptococcus

50
Q

Enzymes involved in beverage production (3)

A

Maltase
Amylase
Zymase

51
Q

The term antibiotic coined by ___ after isolation of ___ from ___ done in the year__

A

Waksman
Streptomycin
Streptomysin griseus
1944

52
Q

Waksman got nobel prize in which year

53
Q

While working on which bacteria, alexander fleming discovered penicillium notatum

A

Staphylococcal bacteria

54
Q

Full potential of penicillium established by

A

Earnest chain and howard florey

55
Q

Flemming, chain, florey got nobel prize in which year

56
Q

What are flocs

A

Masses of bacteria associated with fungal filaments to form mesh like structures

57
Q

What is BOD

A

Amount of oxygen that would be consumed if all the organic matter in one litre of water were to be oxidised by bacteria

58
Q

As BOD decrease, organic matters in the sewage ____

59
Q

Greater the BOD, more is its __

A

Polluting potential

60
Q

Gases produced by the bacteria in anaerobic sludge digesters

A

Methane
H2S
Co2

61
Q

Gases that form the biogas

A

Methane
H2S
Co2

62
Q

Certain bacteria which grow anaerobically on cellulosic material, produce large amounts of

A

Methane

Co2 and h2

63
Q

The bacterium that is commonly found in tge anaerobic sludge during sewage treatemnet

A

Methanobacterium

64
Q

How much feet deep is the concrete tank used in biogas plant

65
Q

Technology of biogas production was developed in india due to the efforts of __ and __

A

IARI and KVIC

66
Q

Full form of KVIC

A

Khadi and village industries commission

67
Q

___ species are free living fungi that are commonly seen in root ecosystems

A

Trichoderma

68
Q

Trichoderma species are ____ that are commonly seen in root ecosystems

A

Free living fungi

69
Q

Trichoderma species are free living fungi that are commonly seen in ___ ecosystems

70
Q

Majority of baculoviruses used as biocontrol agents are in the genus

A

Nucleopolyhedrovirus

71
Q

___ are excellent species-specific narrow spectrum insecticides

A

Nucleopolyhedrovirus

72
Q

Main sources of biofertilizers (3)

A

Bacteria
Fungi
Cyanobacteria

73
Q

Give one eg for a symbiotic bacteria used for biofeetiliser

74
Q

Give two eg for free living N fixing bacteria

A

Azospirillum

Azotobacter

75
Q

Many members of the genus ___ for mycorrhiza

76
Q

Fungal symbiont of mycorrhiza absorbs ___ from soil and passes it to plant

A

Phosphorous

77
Q

Plants having mycorrhizal association have three additional advantages. What are they

A

Resistance to root borne pathogens
Tolerance to salinity and drought
Overall increase in plant growth and dev.

78
Q

In paddy fields, ___ serves as an important biofertilizer

A

Cyanobacteria

Biology (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions