Find the odd one out.

Questions

5 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

Uranium, Sulphur, Thorium, Plutonium.

Answer

Sulphur (All others are elements which are used in the production of atomic energy.)

Question 21 Mark

Volcanic eruption, Earthquake, Atomic explosion, Forest fires.

Answer

Atomic explosion (All others are natural causes of air pollution.)

Question 31 Mark

Irritation of eyes, respiratory tract, excess mucus, mental weakness
Answer:

Answer

Mental weakness (All other are effects of sulphur dioxide.)

Question 41 Mark

Poisoning, asthma, Silicosis, respiratory diseases.

Answer

Silicosis (All others are effects of methane.)

Question 51 Mark

Industrialization, Population explosion, Mining, Vehicular transport, Dust storms.

Answer

Dust storms (All others are man-made causes environmental degradation.)

Science Find the odd one out.