Question # 1

Cytochromes contain a pigment

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Magnesium

Sulphur

Phosphorus

Iron

Highly condensed portion of chromatin is called

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Euchromatin

Heterochromatin

Chromatin

All of above

Branch of biology which deals with structure of organisms the cells and their organelles at molecular level is

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Biotechnology

Microbiology

Molecular biology

Biochemistry

Gene of interest is joined with sticky ends with the help of enzyme

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DNA helicase

DNA polymerase

DNA ligase

RNA polymerase

Littoral zone is

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Beyond the shore

Near the shore

Mid the shore

Bottom zone

Use of water in Domestic : Industrial

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10% : 90%

20% : 80%

30% : 70%

50% : 50%

During the evolutionary history organisms in the kingdom Protista has evolved diversity in their

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Size and structure

Locomotion

Interaction with other organisms

All of above

In a nucleotide nitrogen base is attached to carbon no-----of pentose sugar

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1

2

3

4

The eukaryotic kingdom arose from

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Prokaryotes

Protists

Both a and B

None

The fungal associations with roots of higher plants help______uptake by the plants

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Water

Minerals

Both a & b

None

Different alleles of a gene that are both expressed in a heterozygous condition are called

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Co dominance

Incomplete dominance

Over dominane

Complete dominance

If non-protein part is loosely attached with the substrate then it is called

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Co-enzyme

Prosthetic group

Activator

Chlorophyll contains a very important compound

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Iron

Phosphorus

Magnesium

Sulphur

All the insectivores plants are true

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Heterotrophic

Autotrophs

Parasitic

Saprophytic

The catalytic activity of enzymes restricted to a small protein of the structure known as

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