Which of the following is correct?

(a)

1L = 1cc

(b)

1L = 10 cc

(c)

1L = 100 cc

(d)

1L = 1000 cc

What is one way you might increase the stability of an object?

(a)

lower the centre of gravity

(b)

raise the centre of gravity

(c)

increase the height of the object

(d)

shorten the base of the object

The metals which is a liquid at room temperature is _______.

(a)

Chlorine

(b)

Sulphur

(c)

Mercury

(d)

Silver

Nucleons comprises of _______.

(a)

Protons and electrons

(b)

Neutrons and electrons

(c)

Protons and neutrons

(d)

Neutrons and Positron

Pollinators are _________.

(a)

Wind

(b)

Water

(c)

Insect

(d)

All the above

Tobacco chewing causes ________ .

(a)

Anamia

(b)

Periodontitis

(c)

Tuberculosis

(d)

Pneumonia

Which technology uses pixels to create pictures?

(a)

Vector

(b)

Raster

(c)

both

(d)

None

Mercury is often used in laboratory thermometers because it _______.

(a)

is a harmless liquid

(b)

is silvery in colour and is attractive in appearance

(c)

Expands uniformly

(d)

is a low cost liquid

Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?

(a)

2.5 mA

(b)

25 mA

(c)

250 mA

(d)

2500 mA

________is an example of a periodic change.

(a)

Earthquake

(b)

Formation of rainbow in sky

(c)

Occurrence of tides in seas

(d)

Showering of rain