Question # 1

Antobodies that particip0ate in the defense mechanisms of our body are

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Hormones protein

Fats

Vitamins

Protein

The 19th century Russian chemist Dmitri mendeleyev arranged cards that described all known chemical elements into what?

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The periodic Table of the Elements

Four quantum states

Acid - base pairs

The word ' I hate borscht'

Which of the following is not a Unix or Linux variant?

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Debian

DOS

Both a & b

None of these

A mobile phone send s and receives massages through

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Sound waves

Micro waves

Ultraviolet waves

Radio waves

What anatomical structure connects the stomach and the mouth?

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Trachea

Spinal column

Hepatic duct

Esophangus

A certain amount double itself in 8 years at simple interest. At the same rate it will become 3 time din how many years?

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18 years

16 years

14 years

None of these

What is the incubation period for cholera?

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2 to 3 weeks

5 hours to a few days

A few hours to 5 days

4 to 21 days

Which gas is used for converting vegetable oils into saturated fats?

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H₂

O₂

SI2_a

SO₂

Which of these are part of your immune system?

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Red blood cells

Lymphocytes

Veins

None of these

Which is NOT a sedimentary rock?

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Conglomerate

Obsidian

Shale

Sandstone

Food is readily cooked in a pressure cooker because:

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Boiling occurs at high temperature

Boiling occurs at low temperature

pressure remains constant

The cooking material cannot come out

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