11: The Parliament can make any law for whole or any part of India for implementing international treaties
(a) with the consent of all the States
(b) with the consent of the majority of States
(c) with the consent of the States concerned
(d) without the consent of any State
12: A boy carved his initials on the-bark of a tree at a height of 2.5 m above the ground when the tree was 5 m tall. In 10 years the tree attained a height of 15 m. The initials carved by the boy 10 years ago will now be found:
(a) At 2.5 m above the ground
(b) At 7.5 m above the ground
(c) At 12.5 m above the ground
(d) At 15.0 m above the ground
13: Which one of the following colloidal systems is represented by fog?
(a) Liquid in gas
(b) Gas in liquid
(c) Solid in gas
(d) Liquid in liquid
14: Which among the following has the largest perimeter?
(a) A square with an area of 25 sq cm
(b) An equilateral triangle with side 5 cm
(c) A circle with diameter 4 cm
(d) A rectangle with area 84 sq cm and one side 12 cm
15: The deficiency of Vitamin D causes:
(a) Rickets
(b) Night blindness
(c) Pellagra
(d) Scurvy