Question # 1

The greatest number which divides the number 105,1001m 2436 is:

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3

7

11

21

One of the chemical messengers produced by endocrine glands are called:

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Hormones

Enzymes

Human

Plants

Heightened emotion is caused by the

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Pituitary glands

Thyroid glands

Adrenal glands

Salivary glands

Which metal i non toxic in nature

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Chromium

Gold

Cadmium

Cobalt

A starts form a place at 7 a.m with a speed of 10km per hour. B starts form the same place at 9a.m with a speed of 15 km per hour. When will B meet A?

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1 pm

3 pm

2 pm

None of these

Which metal is the fifth most abundant element in the earth's crust and is an essential constituent of leaves, shells, bone and teeth

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Iodine

Calcium

Phosphorous

Zinc

A train covers 727.50 km distance in 15 hours. how much distance train covers in one hours:

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38.5

68.5

48.5

78.5

Ozone layer protects earth form-

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Meteriorites

Cosmic and other radiations

Harmful gases

Space Debris

Which metal is silvery-with in colour, and is easily polished to a high shine, It is hard malleable and ductile , and is a reasonable conductor of both heat and electricity, It is used extensively in the production of stainless steel and other corrosion resistant alloys,

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iron

brass

nickel

silver

Light energy is stored in the forms of due to the activity of chloroplast:

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Mechanical energy

Electrical energy

Chemical energy

None of the above

A trains of 150 meters long is running with a sped of 30 km/hr.When will pass a standing man?

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18 sec

45 sec

12 sec

5 sec

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