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Neet B > B > Flashcards

B Flashcards

1
Q

Most abundant micro organism

A

Bacteria

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2
Q

Most extensive metabolic diversity shown by

A

Group of bacteria

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3
Q

Archaebacteria cell wall compostion

A

Pseudopeptidoglycan

Complex polysaccharides and polypeptide

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4
Q

Archaebacteria feature for survival in harsh conditions

A

Cell wall structure

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5
Q

Bloom in polluted water body formed by

A

Eubacteria

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6
Q

Nostoc and anabena are

A

Free living nitrogen fixing by heterocyst

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7
Q

Chemosynthetic autotrophs use what for ATP production

A

Nitrate nitrite ammonia are oxidised

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8
Q

What plays great role in recycling of nutrients

A

Chemosynthetic autotrophs bacteria

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9
Q

What nutrients recycled by chemosynthetic autotrophs bacteria

A

N P Fe S

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10
Q

Most abundant bacteria

A

Heterotrophic bacteria

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11
Q

Heterotrophic bacteria are mostly

A

Decomposers

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12
Q

Bacterial disease

A

Cholera
,typhoid
,citrus canker,
tetanus

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13
Q

Smallest living cell is aerobic or anaerobic

A

Can survive without oxygen

Mycoplasma

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14
Q

Penicillin obtained from

A 
Penicillium notatum (old)
Penicillium crysogenum (new)
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15
Q

Members of protista are primarily ?
A. Aquatic
B. Terrestrial

A

Aquatic

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16
Q

Protist reproduce sexually by

A

Zygote formation

17
Q

Diatoms and desmids belong to

A

Chrysophytes

Desmids = golden algae

18
Q

Chrysophytes habitat

A

Both freshwater and marine

Neet B (1 decks)

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