3221: Fertility of soil can be improved by:
(a) Removing dead earthworms
(b) Adding dead earthworms
(c) Adding living earthworms
(d) Removing living earthworms and adding dead earthworms
3222: In India, which one of the following States has the largest inland saline wetland?
(a) Rajasthan
(b) Madhya Pradesh
(c) Gujarat
(d) Haryana
3223: Consider the geographical details given in the following figure :
The point marked by A in the figure indicates a country in
(a) North America
(b) South America
(c) Europe
(d) Asia
3224: Different seasons are formed because:
(a) Sun is moving around the earth
(b) Of revolution of the earth around the sun on its orbit
(c) Of rotation of the earth around its axis
(d) All of the above
3225: Amnesty International is
(a) an agency of the United Nations to help refugees of civil wars
(b) a global Human Rights Movement
(c) a non-governmental organization to help people voluntary very poor people
(d) an inter-governmental agency to cater to medical emergencies in war-ravaged regions