Conversion of 7 m into cm gives_______

(a)

70 cm

(b)

700 cm

(c)

7 cm

(d)

7000 cm

Filtration method is effective in separating ___________ mixture

(a)

solid-solid

(b)

solid-liquid

(c)

liquid-liquid

(d)

liquid-gas

Lizards breathe through their

(a)

Skin

(b)

Gills

(c)

Lungs

(d)

Trachea

Calcium is an example for

(a)

carbohydrate

(b)

fat

(c)

Protein

(d)

minerals

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

(a)

Calculator

(b)

Abacus

(c)

Flash card

(d)

Laptop

Electricity is produced in

(a)

transformer

(b)

power station

(c)

electric wire

(d)

television

Air pollution leading to Acid rain is a

(a)

reversible change

(b)

fast change

(c)

natural change

(d)

human made change

Under the microscope Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is

(a)

a plant cell

(b)

an animal cell

(c)

a nerve cell

(d)

a bacteria cell

Which one of the following is an input device?

(a)

Speaker

(b)

Keyboard

(c)

Monitor

(d)

Printer

About 30% of the fresh water is found in?

(a)

glaciers

(b)

ground water

(c)

other sources of water

(d)

0.3%