Top 150+ Solved The Earth MCQ Questions Answer
Q. The heavier silicates named 'Sima’ or silica + magnesium are most abundant in the:
a. crust
b. core
c. mantle
d. ocean floors
Q. Insolation heats up the land masses more quickly than the water bodies because:
a. water is liquid
b. landmasses are solid
c. water needs more energy to get warm
d. rocks are bad conductors of heat
Q. The earth's annual circuit round the sun covers a distance of:
a. 1,096 million kms
b. 1,036 million kms
c. 966 million kms
d. 896 million kms
Q. It is six months long day in the northern polar region and six months long night in the southern polar region because: [Railways 1993]
a. earth is revolving around the sun
b. earth is inclined towards its orbital plane
c. earth is rotating
d. none of these
Q. The surface of Earth that lies between the Tropic of Cancer and the Tropic of Capricorn is called:
a. North Temperate Zone
b. Frigid Zone
c. South Temperate Zone
d. Torrid Zone
Q. Which of the following are true regarding equinoxes? [CDS 1993] 1. They occur on March 21 st and September 23rd 2. They depict equal days and equal. nights on March 21 st and September 23rd on all places of the earth 3. All places on the earth have equal temperature during equinoxes
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 3 only
d. 1, 2 and 3
Q. Choose the incorrect statement; [IFS 1993]
a. All meridians are of the same length
b. The axis of the earth is inclined at an angle of to the horizontal
c. The Sun's rays are vertical at all places on the days of the equinoxes
d. The summer solstice for the Southern Hemisphere is in December
Q. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to:
a. clouds
b. water-bodies
c. snow and ice covered areas of the earth
d. all the above reflect nearly the same amount
Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as:
a. earth radiation
b. wave balance of earth
c. heat balance of earth
d. radiation exchange
Q. The latitude of a place expresses its angular position relative to the plane of
a. axis of the Earth
b. equator
c. North pole
d. South pole
Q. At 12 noon of December 21, you observe that you cast no shadow as you stand in brightsunlight. So you must be, somewhere near:
a. the Arctic Circle
b. the Tropic of Cancer
c. the Tropic of Capricorn
d. the South Pole
Q. The Gutenberg discontinuity is between:
a. the crust and the mantle
b. the upper and lower mantles
c. the outer core and the lower mantle
d. the inner and outer cores
Q. If the earth's axis had not been inclined: 1. temperature distribution would have been uniform 2. days and nights would not have occurred 3. seasons would not· have occurred 4. poles would not have continuous day
a. I, III and IV
b. II and IV
c. III and IV
d. II, III and IV