Quantity that can be measured is called_______

(a)

Physical quantity

(b)

unit

(c)

Measurement

(d)

motion

Gita rides with her father’s bike to her uncle’s house which is 40 km away from her home. She takes 40 minutes to reach there.
Statement 1: She travels at a speed of 1 km/minute.
Statement 2: She travels at a speed of 1 km/hour.

(a)

Statement 1 alone is correct.

(b)

Statement 2 alone is correct.

(c)

Both statements are correct.

(d)

Neither statement 1 nor statement 2 is correct.

Lighter impurities like dust when mixed with rice or pulses can be removed by __________

(a)

filtration

(b)

sedimentation

(c)

decantation

(d)

winnowing

The habitat of water hyacinth is

(a)

Aquatic

(b)

Terrestrial

(c)

Desert

(d)

Mountain

Which animal has the special organs of breathing called gills?

(a)

Earthworm

(b)

Fox

(c)

Fish

(d)

frog

Bacteria are very small _________ microorganism.

(a)

Prokaryotic

(b)

Eukaryotic

(c)

Protozoa

(d)

Acellular

Pick out the odd one.
a. Calculator
b. Abacus
c. Flash card
d. Laptop

(a)

Calculator

(b)

Abacus

(c)

Flash card

(d)

Laptop

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

Choose the symbol for battery

(a)

(b)

(c)

(d)

_____________

Out of the following an example of a desirable change is

(a)

rusting

(b)

change of seasons

(c)

earthquake

(d)

flooding