Question # 1

80% of food of sponges consists of.

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Detrital organic matter

algae

Phytoplankton

Zooplankton

The part of flower which develops into fruit is

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Flower

Seed

Ovule wall

Ovary

________ is the largest group of fungi.

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Basidiomycota

Ascomycota

Zygomycota

Deuteromycota

The mRNA of the total cell RNA is about.

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3 - 4 %

1 - 2%

2 - 4%

3 - 5 %

Which structure of bacteria help in DNA replication.

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Plasmid

Mesosomas

cyst

Nucleoid

A rasping tongue like radula having horny teeth is present in.

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sponges

Molluscs

Coelonterates

Annelids

Magnesium is an important nutrient ion in green plant as it is an essential component of

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Cell sap

Protean

chlorophyll

Glucose

The optimum pH of enzyme pepsin is

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2

6.8

7

9

A plant requires potassium for

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Synthesizing proteins

Synthesizing chlorophyll

opening and closing of stomata

None of these

Example of soil dwelling carnivorous fungus is

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Arthrobotrys

Pleuretus

Armillaria

Pencillum

A liter of H2O contains ml of oxygen.

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10

20

30

40

Which one is microaerophilic bacterium

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Campy lobacter

Spirochet

Mycoplasma

Vibrio comma

Optimum pH for sucrase is

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2.00

4.50

5.50

7.60

Closely related classes are grouped in to.

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Division

Order

Family

Kingdom

_________ is an anaerobic bacterium.

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E Coli

Pseudomonas

Spirochete

Campylobacteria

Pili are made up of special protein called.

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Pillin

Flagellin

Tubullin

Myosin

An activated enzyme made of polypeptide chain and a co-factor is

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Substrate

Co-enzyme

Apoenzyme

Holoenzyme

Haem portion of hemoglobin is same to porphyrin ring with a difference of.

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Carbon atom

Hydrogen atom

Iron atom

Oxygen atom

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