Quantity that can be measured is called_______

(a)

Physical quantity

(b)

unit

(c)

Measurement

(d)

motion

200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be_________

(a)

400 ml

(b)

600 ml

(c)

200 ml

(d)

800 ml

The habitat of water hyacinth is

(a)

Aquatic

(b)

Terrestrial

(c)

Desert

(d)

Mountain

Which of the following cannot be called as a habitat?

(a)

A desert with camels

(b)

A pond with fish and snails

(c)

Cultivated land with grazing cattle

(d)

A jungle with wild animals

Bacteria are very small _________ microorganism.

(a)

Prokaryotic

(b)

Eukaryotic

(c)

Protozoa

(d)

Acellular

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

Electricity is produced in

(a)

transformer

(b)

power station

(c)

electric wire

(d)

television

Formation of curd from milk is

(a)

a reversible change

(b)

a fast change

(c)

an irreversible change

(d)

an undesirable change

Nitrogen is used in the food packaging industry because it ________________

(a)

provides colour to the food

(b)

provides oxygen to the food

(c)

adds proteins and minerals to the food

(d)

keeps the food fresh

Which one of the following is not an unicellular organism?

(a)

Yeast

(b)

Amoeba

(c)

Spirogyra

(d)

Bacteria