216: Which one of the following is also known as Top Slip ?

(a) Simlipal National Park

(b) Periyar Wildlife Sanctuary

(c) Manjira Wildlife Sanctuary

(d) Indira Gandhi Wildlife Sanctuary and National Park
217: Protective action against harmful household insects and pests can be taken by the use of

(a) Infrasonic waves

(b) Microwaves

(c) Ultrasonic waves

(d) Low frequency radio waves
218: When iron rusts, the weight:

(a) Increases

(b) Decreases

(c) Remains the same

(d) First increases then decreases
219: Foot-and-Mouth disease in animals, a current epidemic in some parts of the world, is caused by

(a) Bacterium
(b) Fungus
(c) Protozoan
(d) Virus
220: Assertion (A):
During the Neap Tides, the high tide is lower and the low tide is higher than usual.

Reason (R):
The Neap Tide, unlike the Spring Tide, occurs on the New Moon instead of on the Full Moon.

(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 a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true