Question # 1

The percentage by weight of RNA in a bacteria cell is.

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0.25%

2%

3%

6%

Metals is ions are related to.

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Co enzymes

Vitamins

Co factors

Substrate

Respiratory pigment present in muscles is called ______

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Myoglobin

Globin

Haemoglobin

Haemocyanin

The bio element which account for 99% of the total mass in the human's body are .

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Four

Three

Six

Eight

Amino acids are linked to each other by

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Ester bond

Glyosidic bond

Peptide bond

Hydrophobic bond

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

Yeasts are unicellular

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Protozoans

Algae

Fungi

Bacteria

Most elaborate and efficient respiratory system is present in.

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Man

Fish

Bird

Fing

the light falling on leaf surface is absorbed about.

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1%

25%

50%

100%

The dew drops on the tip of the grass leaves involves the phenomenon.

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Imbibition

Bleeding

Guttation

Transpiration pull

Phylogeny describes a species

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morphological similarities with other species

Evolutionary history

Reproductive compatibilities with other species

Geographical distribution

Arginase splits the arginine to form ure and the percusor.

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Omithine

Creatinine

ammonia

Citruline

In Sindh, the desert ecosystem is called.

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Thar

Sahara

Gobi

thal

Nuclear membrane disorganizes at the beginning of

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Prophase 1

Metaphase 1

Anaphase 1

Telophase 1

Which of the following is common in all neurons?

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A cell body which contains a nucleus

A thick myelin sheath

Presence of nodes of Ranvier

Presence of Schwann cells

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