While measuring the length of an object using a ruler, the position of your eye should be

(a)

Left side of the point.

(b)

Vertically above the point where the measurement is to be taken.

(c)

Right side of the point

(d)

Any where according to one’s convenience.

The distance between one end and other end is called ___________.

(a)

mass

(b)

length

(c)

time

(d)

None

Which among the following is an oscillatory motion?

(a)

Rotation of the earth about its axis

(b)

Revolution of the moon about the earth

(c)

To and fro movement of a vibrating string

(d)

All of these.

People walking in a crowded street is example of_________motion

(a)

linear

(b)

circular

(c)

rotatory

(d)

zigzag

______ is not made of matter

(a)

gold ring

(b)

iron nail

(c)

light ray

(d)

oil drop

____________has definite shape and volume.

(a)

Solid

(b)

Liquid

(c)

Gas

(d)

None

The habitat of water hyacinth is

(a)

Aquatic

(b)

Terrestrial

(c)

Desert

(d)

Mountain

All animals need

(a)

Food and water only

(b)

Water only

(c)

Air, food and water

(d)

Food only

Bacteria are very small _________ microorganism.

(a)

Prokaryotic

(b)

Eukaryotic

(c)

Protozoa

(d)

Acellular

When was the first computer introduced?

(a)

1980

(b)

1947

(c)

1946

(d)

1985

One litre of water at 30^o C is mixed with one litre of water at 50^o C. The temperature of the mixture will be

(a)

80^o C

(b)

More than 50°C but less than 80^o C

(c)

20^o C

(d)

around 40^o C

__________ is a good conductor

(a)

silver

(b)

wood

(c)

rubber

(d)

plastic

Air pollution leading to Acid rain is a

(a)

reversible change

(b)

fast change

(c)

natural change

(d)

human made change

Which one of the following is not an unicellular organism?

(a)

Yeast

(b)

Amoeba

(c)

Spirogyra

(d)

Bacteria

Which one of the following is an input device?

(a)

Speaker

(b)

Keyboard

(c)

Monitor

(d)

Printer

Mariner’s compass is used to find the

(a)

speed

(b)

displacement

(c)

direction

(d)

motion

Using R.O. (Reverse Osmosis) plant at home eliminates lot of non-potable water. The best way to effectively use the expelled water of R.O. plant is________.

(a)

make the expelled water go and seep near the bore well

(b)

use it for watering plants

(c)

to drink the expelled water after boiling and cooling

(d)

to use for cooking as the water is full of many nutrients

Phenol is ______.

(a)

carbolic acid

(b)

acetic acid

(c)

benzoic acid

(d)

hydrochloric acid

It is an undesirable change that occurs in air and water.

(a)

Recycling

(b)

Reuse

(c)

Pollution

(d)

Reduce

Which of the following is correct?

(a)

Free and Open source

(b)

Free and Traditional software

(c)

Passive and Open source

(d)

Passive and Traditional source