BECE Science Objective 1

Question 1

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

Accepted Answer

plaque

Answer

cavity

Answer

gum disease

Answer

caries

Question 2

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

Accepted Answer

thinning out.

Answer

pricking out.

Answer

filling in.

Answer

earthing up.

Question 3

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

Accepted Answer

Capacitor

Answer

LED

Answer

Transistor

Answer

Diode

Question 4

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

Accepted Answer

Streamline

Answer

Triangular

Answer

Rectangular

Answer

Spherical

Question 5

One advantage of technology for industrialization is

Accepted Answer

provision of equipment.

Answer

environmental pollution.

Answer

increase in production costs.

Answer

reduction in skillful labour.

Question 6

The element utilized in the production of electronic components is

Accepted Answer

silicon.

Answer

neon.

Answer

sodium.

Answer

fluorine.

Question 7

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

Accepted Answer

bends towards the normal.

Answer

is perpendicular to the incident ray.

Answer

is parallel to the incident ray.

Answer

bends away from the usual.

Question 8

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

Accepted Answer

Source of water

Answer

Presence of pest

Answer

Availability of labour

Answer

Nearness to market

Question 9

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

Accepted Answer

Sulphur and water

Answer

Water and vegetable oil

Answer

Water and sodium chloride

Answer

Vegetable oil and kerosene

Question 10

The planet that shines the brightest is

Accepted Answer

Venus

Answer

Uranus

Answer

Saturn

Answer

Earth