universe & solar system section 1 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT indian geography mcq - 13 EXERCISES

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The following question based on Universe, solar system and Astronomy topic of indian geography mcq

Questions : Which of the following pairs of planets is without satellites?

(a) Earth and Jupiter

(b) Mercury and Venus

(c) Mercury and Mars

(d) Venus and Mars

The correct answers to the above question in:

Answer: (b)

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Question : 1

The distance between two consecutive longitudes (91°E and 92° E) at the Poles is

a) 25 km

b) 111 km

c) 18 km

d) 0 km

Answer: (d)

The distance between two consecutive longitudes at the poles is 0 KM. A degree of longitude is widest at the equator at 69.172 miles (111.321) and gradually shrinks to zero at the poles.

Question : 2

According to the Geo-scientists, the shape of the earth is:

  1. round
  2. spherical
  3. close to that of a sphere
  4. an oblate ellipsoid
Select the correct answer using the code given below:

a) 1 and 2 only

b) 3 and 4 only

c) 1, 2 and 3

d) 2, 3 and 4

Answer: (b)

The simplest model for the shape of the entire Earth is a sphere. The Earth’s radius is the distance from Earth’s center to its surface, about 6,371 kilometers (3,959 mi).

Earth is only approximately spherical, so no single value serves as its natural radius. Since the Earth is flattened at the poles and bulges at the equator, geodesy represents the shape of the earth with an oblate spheroid.

The oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis.

Question : 3

The number of staellites of the planet is Mercury is

a) 2

b) 16

c) 1

d) 0

Answer: (d)

The nearness of Mercury to the massive gravity influence of the Sun is the likely reason that no natural satellites are present, although it is possible that one or more may have existed in the past.

Question : 4

The chronometer is used for

a) Keeping correct time

b) Measuring earthquakes

c) Measuring rock-density

d) Measuring distance

Answer: (a)

Question : 5

Consider the following statements.

  1. The axis of the Earth’s magnetic field is inclined at 23 and half degree to the geographic axis of the Earth.
  2. The Earth’s magnetic pole in the Northern hemisphere is located on a peninsular in Northern Canada.
  3. Earth’s magnetic equator passes through Thumba in South India.
Which of the statements given above is/are correct?

a) Only 2

b) Only 3

c) 2 and 3

d) 1, 2 and 3

Answer: (b)

Question : 6

The approximate diameter of Earth is

a) 3400 km

b) 12800 km

c) 6400 km

d) 4200 km

Answer: (b)

The approximately diameter of Earth is 12800 km. The rotation of the planet has slightly flattened it out, so it has a larger diameter at the equator than at the poles.

The equatorial diameter of Earth is 12,756 km, its polar diameter is 12,713 km, and its average diameter, which is referred to in common usage, is 12,742 km or 7,926 miles.

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