The sun shines vertically on the Equator:
- (A) Twice a year
- (B) Once a year
- (C) Five months
- (D) Throughout the year
- (A) Twice a year
The distance of the Equator from either of the poles is:
- (A) 10002 km
- (B) 20002 km
- (C) 30002 km
- (D) 40002 km
- (A) 10002 km
The center of cyclone is known as:
- (A) Apex
- (B) Eye
- (C) Vertex
- (D) Perihelion
- (B) Eye
Increase in carbon dioxide in atmosphere causes:
- (A) Fall in earth’s temperature
- (B) Rise in earth’s temperature
- (C) Maintain earth’s temperature
- (D) Increase in ultra-violet rays
- (B) Rise in earth’s temperature
The moon’s volume is about _______ that of earth.
- (A) 1/20th
- (B) 1/40th
- (C) 1/50th
- (D) 1/60th
- (C) 1/50th
The period of one revolution of sun around the center of galaxy is called:
- (A) Light year
- (B) Parsec
- (C) Cosmic year
- (D) Corona year
- (C) Cosmic year
The sun shines vertically on the Equator:
- (A) Throughout year
- (B) For six months
- (C) Twice a year
- (D) Once a year
- (C) Twice a year
Insolation received at a place on the surface of the earth depends on:
- (A) Its climate
- (B) Its meridian
- (C) Its latitude
- (D) Its longitude
- (A) Its climate
Longitude and Latitude both run _______ to each other.
- (A) Parallel
- (B) Equal
- (C) Perpendicular
- (D) Hyperbolic
- (C) Perpendicular
The mean distances on the perihelion and aphelion is:
- (A) 100.5 million km
- (B) 149.5 million km
- (C) 180.5 million km
- (D) 199.5 million km
- (B) 149.5 million km