Question # 1

The mass of an atom is almost due to the.

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Electron

Proton

Nucleus

Neutrons

The concentration of water in plasma is.

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55%

45%

92%

95%

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

Aerobic respiation takes place in.

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Mitochondria

Chloroplast

Nucleus

Blood vessels

Which of the following is used to kill germs.

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Acetic acid

Brine

Sanitizrsr

Soda

The negetively charged particle arod nucleus are called.

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Electron

Proton

Atom

Neutron

Chemical bond between N2 Molecule is

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Ionic

Single covalent

Double covalent

Triple vocalent

The lowest pointof a wave is................

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Crest

Amplitude

Peak

Trough

--------- is the inflammation of liver.

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Tuberculosis

Typhoid

COVID-19

Hepatitis

Bacteria move with the help of.

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DNA

Legs

Arm

Flagella

Growth of microorganisms canbe controlled by

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Dehydration

Drying

Adding preservative

a,b,c all

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