3636: The ductless and secretory glands in the human body are known as:

(a) Endocrine glands

(b) Exocrine glands

(c) Salivary glands

(d) None of the above
3637: Deserts such as the Sahara are generally found between 20° and 30° latitudes in the western parts of the continents. This is because these regions

(a) Have off-shore winds throughout the year

(b) Have warm off-shore currents

(c) Lie in the belt of the doldrums

(d) Are very hot throughout the year
3638: After Chauri Chaura incident in which 22 policemen were killed, the result was that:

(a) Gandhiji started his Dandi March

(b) Gandhiji called off the no tax campaign

(c) Gandhiji withdrew his movement of non-cooperation

(d) Gandhiji went to-talk with the Viceroy, Lord Irwin
3639: The people of Hong Kong have come mostly from

(a) Vietnam

(b) China

(c) Cambodia

(d) Thailand
3640: Diego Garcia is:

(a) An American military air base in the Indian Ocean

(b) U.K. Navy base in the Pacific Ocean

(c) An island in Antarctica

(d) None of the above