BIOLOGY CH18 Organization of Tissues — Science STD 9 — Question

Weight has both magnitude and direction.

Carbon has the tendency to lose its four electrons with that of other atoms to complete its octet.

State whether true or false. If false, correct the statement.

Kilometre is one of the SI units of measurement.

• True

• False

If the buoyant force is less, the object will float.

All the allotropic forms of carbon are solids.

Excessive pulling of bones causes a sprain.

The pole of a freely suspended magnet which points towards the north is called the south pole and what points towards south is celled north pole.

State whether true or false. If false, correct the statement.

The foundations of high-rise buildings are kept wide so that they may exert more pressure on the ground.

• True

• False

Earthworm come out of their burrow during summer season.

Acceleration is a scalar.