____ is anything that takes up space and has mass.

A: Gravity

B: Matter

C: Energy

D: Plasma

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Matter

A device which converts chemical energy into electrical energy is called _____?

A: generator

B: motor

C: moving-coil meter

D: battery

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battery

Bubo bubo is the scientific name of which of the following species?

A: Peacock

B: Hen

C: Eagle

D: Owl

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Owl

The type of glass used in making lenses and prism is______?

A: jena glass

B: Pyrex glass

C: Flintglass

D: Soft glass

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Flintglass

Most of the weather phenomena take place in which of the following layers of the atmosphere?

A: Ionosphere

B: Mesosphere

C: Stratosphere

D: Troposphere

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Troposphere

In which layer of atmosphere does commercial aircrafts usually fly?

A: Troposphere

B: Stratosphere

C: Mesosphere

D: Thermosphere

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Stratosphere

In general, the most destructive earthquake waves are the _____ ?

A: S waves

B: P waves

C: Surface waves

D: All of the above

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Surface waves

Anti Diuretic hormone is secreted by one of the following glands?

A: Pancreas

B: Pituitary

C: Thyroid

D: None

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Pituitary

The heaviest naturally-occurring element is____?

A: Platinum

B: Radium

C: Uranium

D: Cadmium

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Uranium

Which of the following is a substance?

A: Brass

B: Sea water

C: Tape water

D: Graphite

E: Sand

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Graphite

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