Question # 1

The control center of a cell is what?

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Cytoplasm

Mitochondria

Nucleus

DNA

A piece of metal feels hotter than a piece of wood in summer because

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Metal expands more than wood

Our body is cooler than metal but warmer than wood

Metal is better conductor of heat than wood

Metal gets hotter than wood

The metal, which is a constituent of vitamin B12, is

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Cobalt

Iron

Zinc

magnesium

What was the name of the school that Aristotle established in a grove sacred to Apollo

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Academy

Alcemium

Gymnasium

Lyceum

The capacity of hared disk depends upon the

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High-speed motor

Movement of read

Number of disk platters stacked

None of these

Which of the following are required for the formation of bones and teeth?

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Sodium and Calcium

Iron and Calcium

Calcium and phosphorus

An investment pays 8% simple interest per year. If the investment earns 84 interest in the first year, then how much money was originally invested?

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1050

1010

1025

1000

Which of the following allotropes of carbon is used for cutting and drilling?

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Diamond

Graphite

Activate carbon

Carbon black

Which metal is extensively used with other metals to produce alloys, particularly in die-casting, its is used to ''galvanize'' metals to prevent corrosion?

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Copper

Chromium

Lead

Zinc

Which instrument is used to measure the continuous recording of atmospheric pressure?

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Chronometer

Algesimeter

Audiometer

Barograph

What system our brains is in?

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Respiratory system

Circulatory system

Nervous system

Digestive system

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