SCIENCE TEST 1

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SCIENCE TEST 1

The content of water is greater than fats, the plasma is more than proteins, proteins are more than fats and fats less than plasma. Which constitutes the major Part of the human body ?

1 point

Fats

Water

Plasma

Proteins

Clear selection

What is the function of a fuse wire ?

1 point

To prevent an unduly high electric currentfrom passing through a circuit

To increase the current supply

To decrease the current supply

To stabilise the voltage

Clear selection

Who among the following anticipated Newton bydeclaring that all things gravitate to the earth?

1 point

Aryabhatta

Varahamihira

Buddhagupta

Brahmagupta

Clear selection

When water is heated from 0ºC to l0ºC. Its volume:

1 point

increases

decreases

does not change

first decreases and then increases

Clear selection

Which one of the following pairs of materials servesas electrodes in chargeable batteries commonly usedin devices such as torchlights, electric shaver etc.?

1 point

Nickel and cadmium

Zinc and carbon

Lead peroxide and lead

Iron and cadmium

Clear selection

Assertion (A) : In the periodic table of chemicalelements, electron affinity is always found to increasefrom top to bottom in a groupReason (R) : In a group, the atomic radii generallyincrease from top to bottom.

1 point

Both A and R are individually true and R is the correct explanation of A .

Both A and R are individually true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

Clear selection

Which one of the following is used as an explosive?

1 point

Phosphorus trichloride

Mercuric oxide

Graphite

Nitroglycerine

Clear selection

Which organelle in the cell, other than nucleuscontains DNA?

1 point

Centriole

Golgi apparatus

Lysosome

Mitochondrion

Clear selection

Of the four landmarks in medical history given below,which one was the first to take place ?

1 point

Organ transplant

Bypass surgery

Test tube baby

Plastic surgery

Clear selection

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