EARTH MCQS SET 13

EARTH MCQS SET 13

 

1. On December 22, the sun:
1. is not visible at north pole
2. is only visible for a few minutes at the Antarctic Circle
3. rises south of east and sets south of west at the Tropic of Cancer
4. rises south of east and set south of west at the equator
(a) 1 and 3
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
Ans: (c)

2. What is the correct sequence of the following in the context of the age of the earth since its origin?
1. Cenozoic
2. Mesozoic
3. Palaeozoic
4. Protozoic
(a) 4, 3, 1, 2
(b) 3, 4, 2, 1
(c) 3, 4, 1, 2
(d) 4, 3, 2, 1
Ans: (d)
3. The latitude of a place expresses its angular position relative to the place of:
(a) axis of the earth
(b) equator
(c) north pole
(d) south pole
Ans: (b)
4. When would you record the maximum angle of incidence of the sun's rays at the north pole?
(a) March 21
(b) September 21
(c) When the sun's rays fall vertically on the Tropic of Cancer
(d) When the sun's rays fall vertically on the Tropic of Capricorn
Ans: (c)

5. One degree of longitude on the equator is equal to a distance of:
(a) 34.5 miles
(b) 50 miles
(c) 60 miles
(d) 69 miles
Ans: (b)

6. At the summer solstice, which one of the following latitudes will have the longest night?
(a) 45°N
(b) 45°S
(c) 60°N
(d) 60°S
Ans: (d)
7. The Tropic of Cancer passes through:
(a) India and Iran
(b) Iran and Pakistan
(c) India and Saudi Arabia
(d) Iran and Iraq
Ans: (c)

8. Which of these is the longest?
(a) 0° Meridian
(b) 180° E-W
(c) 90° E
(d) All are equal
Ans: (d)

9. Consider the following statements:
1. Earth is the fourth largest planet of the solar system
2. Earth's circumference is about 45000 km
3. Earth's polar diameter is about 43 km shorter than its equatorial diameter
4. Earth has a total surface area of 510 million sq.km
Which of these statements are correct?
(a) 1 and 2
(b) 1 and 4
(c) 2 and 3
(d) 3 and 4
Ans: (d)
10. The core of the Earth is made up of:
(a) mainly of iron in the liquid form
(b) mainly of nickel in the liquid form
(c) both iron and silica in the liquid form
(d) both iron and magnesium in the plastic state
Ans: (d)