3691: Which animal has the heaviest heart ?
(a) Horse
(b) Cow
(c) Sheep
(d) Dog
3692: Scratching eases itching because
(a) it removes the outer dust in the skin
(b) it kills the germs
(c) it stimulates certain nerves which direct the brain to increase the production of antihistaminic chemicals
(d) it suppresses the production of enzymes which cause itching
3693: Which one of the following groups of plants was domesticated in the New World and introduced into the 'Old World'?
(a) Tobacco, cocoa and rubber
(b) Tobacco, cotton and rubber
(c) Cotton, coffee and sugarcane
(d) Rubber, coffee and wheat
3694: Consider the following statements:
1. The Headquarters of the International Organization for Standardization are located in Rome.
2. ISO 9000 related to the quality management system and standards.
3. ISO 14000 related to environmental management system standards.
Which of the following statements given above is/are correct?
(a) 2 and 3
(b) Only 3
(c) 1, 2 and 3
(d) None
3695: Who among the following was never the Lok Sabha Speaker?
(a) K. V. K. Sundaram
(b) G. S. Dhillon
(c) Baliram Bhagat
(d) Hukum Singh