If the level of atmospheric pollution increases:

A: The length of the day will decreases

B: The length of the day will increases

C: The length of the day will remain same

D: None of these

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The length of the day will increases

The scientific study of measurement is known as _____?

A: Metrology

B: Entomology

C: Ichthyology

D: Ecology

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Metrology

On passing through food stuff, X-ray can kill the______?

A: Virus

B: Fungus

C: Bacteria 

D: insects

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Bacteria

In which part of the eye lies the pigment that decides the colour of the eyes of a person___?

A: Iris

B: Retina

C: Cornea

D: Pupal

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Iris

The sky appears blue because the earth’s atmosphere _____?

A: Reflects blue light

B: Scatters blue light

C: Transmits blue light

D: Has actual blue cover

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Scatters blue light

_____ are called the powerhouses of the cell?

A: Vesicles

B: Mitochondria

C: Lungs

D: Liver

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Mitochondria

In Eye donation, which part of the eye used?

A: Iris

B: Retina

C: Cornea

D: Optic nerve

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Cornea

Galvanised Iron sheets have a coating of_______

A: Silver

B: Tin

C: Zinc

D:  Chromium

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Zinc

What is the chemical formula for Sodium carbonate __ ?

A:  CNa2O3

B: Na3CO2

C: Na2CO3

D: Na3CO3

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Na2CO3

What are Columns in Periodic table called?

A: Group

B: Period

C: Verticals

D: Perpendiculars

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Group

1 80 81 82 83 84 126