The height of a tree can be measured by

(a)

Metre scale

(b)

plastic ruler

(c)

Metre rod

(d)

measuring tape

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 important function of stomata is __________.

(a)

Conduction

(b)

Transpiration

(c)

Photosynthesis

(d)

Absorption

Choose the set that represents only biotic components of a habitat.

(a)

Tiger, Deer, Grass, Soil

(b)

Rocks, Soil, Plants, Air

(c)

Sand, Turtle, Crab, Rocks

(d)

Aquatic plant, Fish, Frog, Insects

We should include fruits and vegetables in our diet, because _______.

(a)

They are the best source of Carbohydrates

(b)

They are the best source of Proteins

(c)

They are rich in minerals and Vitamins

(d)

They have high water content

Who is the computer’s first programmer?

(a)

Lady Wellington

(b)

Augusta ado Lovelace

(c)

Mary Curie

(d)

Mary Comb

An iron ball at 50°C is dropped in a mug containing water at 50^o C. The heat will

(a)

flow from iron ball to water

(b)

not flow from iron ball to water or from water to iron ball

(c)

flow from water to iron ball

(d)

increase the temperature of both

Drying of wet clothes in air is an example of

(a)

Chemical change

(b)

Undesirable change

(c)

irreversible change

(d)

physical 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

Most organelles in an eukaryotic cell is found in the

(a)

Cell wall

(b)

cytoplasm

(c)

nucleus

(d)

Vacuole