FREE BECE Science Objective Questions and Answers

The very hard greenish-black coating around the edges of your teeth is known as

plaque

cavity

gum disease

caries

Correct! Wrong!

The technique of limiting the number of seedlings per stand to improve development is known as

thinning out.

pricking out.

filling in.

earthing up.

Correct! Wrong!

Which of the following electrical components is not built from semiconductors?

LED

Transistor

Diode

Capacitor

Correct! Wrong!

Which of the following bodily forms allows fluid to travel most easily?

Triangular

Streamline

Rectangular

Spherical

Correct! Wrong!

One advantage of technology for industrialization is

environmental pollution.

provision of equipment.

increase in production costs.

reduction in skillful labour.

Correct! Wrong!

The element utilized in the production of electronic components is

silicon.

neon.

sodium.

fluorine.

Correct! Wrong!

When a ray of light goes from a dense medium to a denser medium, it

is perpendicular to the incident ray.

is parallel to the incident ray.

bends towards the normal.

bends away from the usual.

Correct! Wrong!

Which of the following factors has the biggest impact on vegetable crop yield?

Presence of pest

Availability of labour

Nearness to market

Source of water

Correct! Wrong!

Which of the following mixtures may best be separated using a separating funnel?

Water and vegetable oil

Sulphur and water

Water and sodium chloride

Vegetable oil and kerosene

Correct! Wrong!

The planet that shines the brightest is

Venus

Uranus

Saturn

Earth

Correct! Wrong!

The following changes are caused by soil erosion, except

plants are losing essential nutrients.

building support systems are weakening.

weakening support of plants.

growth in bushfires.

Correct! Wrong!