Which type of resources is iron-ore?
(A) Renewable
(B) Flow
(C) Biotic
(D) Non-renewable

40 In which place is land degradation excess due to land mining?
(A) Punjab
(B) Haryana
(C) Uttar Pradesh
(D) Jharkhand 41 Which factor cannot be classified, as one of the factors of soil formation?
(A) Parent rock
(B) Running water
(C) Humus
(D) Industrialisation 43 What caused land degradation in Punjab?
(A) Intensive cultivation
(B) Over irrigation
(C) Deforestation
(D) Overgrazing 44 Where is terrace cultivation practiced?
(A) Punjab
(B) Haryana
(C) Plains of Uttar Pradesh
(D) Uttaranchal