Question # 1

The % of protein in case of chromosomes is

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100%

80%

60%

20%

Terrestrial ecosystem is divided into main types

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Forest

Tropical rain forest

Temperate deciduous forest

Coniferous alpine and boreal forests

The part of earth inhabited by living organisms and non-living components is called

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Ecosystem

Biosphere

Habitat

Niche

Enzymes involved in the synthesis of protein are integral part of

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Mitochondria

Ribosomes

EPR

Nucleus

Which of the following method of reproduction is asexual

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Parthenogenesis

Budding

Vegetative propagation

All of above

Chemically 2ndary cell wall composed of

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Inorganic salts

Silica

Waxes

All of above

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

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Inactive site

Active site

Reactant site

Inhibitor site

Organisms which are very similar and have a tendency of inbreeding are called

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Species

Gene pool

Community

Niche

The direct or indirect source for food shelter, clothing,fuel for humans is

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Water

Land

Air

Environment

Every 200 nucleotide the DNA duplex is coiled around a core of eight histones proteins forming a complex known as

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Nucleoside

Nucleosome

Ecdysone

Globulin

Which of the following about fungi is true

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Fungi included in plants

Fungi included in animals

Fungi characters are same to all organisms

Fungi placed in a separate kingdom

Chromosomes are thread like structure that appear inside the______at the time of cell division

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Cytoplasm

Nucleus

Mitochondria

None

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

A net work of very fine threads of chromosomes can be visualized & this network is called

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DNA network

Chromatin

Nucleosome

Nucleoside

Which of the following method of asexual reproduction found in plants

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Multiple fission

Binary fission

Both A and B

Parthenocarpy and grafting

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