A: Commercial fisheries have not developed in tropics.
R: The demand for marine food from low income population is low in the tropics
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false
(c) A is true but R is false
B.
(b) Both A and R are individually true but R is not the correct explanation of A.
A: Soils in some parts of Punjab, Haryana and Rajasthan are saline.
R: Evaporation exceeds precipitation
(a) Both A and R are individually true and R is the correct explanation of A.
(a) Both A and R are individually true and R is the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: Area along the Equator records the highest temperature throughout the year.
R: On the equator, days and nights are equal for the largest part of the year.
(a) Both A and R are individually true and R is the correct explanation ofA.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: Exploitation of equatorial rain forest of Amazon basin is not easy.
R: This region is very rich in several types of deadly animals and insects
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: Lightning thunder and heavy rain accompany volcanic activity.
R: Volcanoes throw water vapour and charged particles in the atmosphere.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: The life expectancy in European countries is very high.
R: European countries have low mortality rate.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: The monsoons arrive suddenly in India in June.
R: The monsoonal low pressure trough is well-developed over India.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false.
(c) A is true but R is false.
A: The Sea remains free from ice from British Columbia to Bering Sea.
R: Air moving off the comparatively warm waters of North Pacific Drift gives the coastal areas of British Columbia a warmer climate
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false
(c) A is true but R is false
A: The nomadic herders slaughter their animals for meat.
R: Animals form the chief source of food and livelihood for nomadic herders
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A.
(c) A is true but R is false
(c) A is true but R is false
A: India built dams and reservoirs to manage water resources.
R: India had enough experience in canals.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false.
(c) A is true but R is false.
