Olympiad Test: Our Environment - 1 - Class 6 MCQ

Which of the following statements are true about acid rain?
(i) Acid rain has harmful effects on the living beings.
(ii) Acid rain mainly comprises of H₂SO₄ and HNO₃.
(iii) Acid rain causes damage to the ozone layer.
(iv) Acid rain causes damage to buildings and monuments.

Four identical wet towels were hung out on clothesline to dry under different conditions.

Arrange them in order, beginning with the towel that would take the shortest time to dry. 

Refer to the given flow chart and identify X, Y and Z.

Select the option that correctly fills the blank in the given statement.
The method in which the earthworms are added to the pit to accelerate the process o f decom position is called________ .

Refer to the given diagrammatic representation of water cycle and identify P, Q, R and S.

Study the given flow chart.

Which of the following letters represents nitrogen gas?

Read the following statements and select the option that correctly identifies true (T) and false (F) ones.
(i) Fog is formed when the water vapour condenses into tiny droplets of water in the air.
(ii) The atmospheric pressure is measured with the help of anemometer.
(iii) Places near the sea are expected to be less humid than the places that are far away.
(iv) The condition of lack of food in a region for a long period of time is called famine.