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51
Which of the following pairs is not correctly matched?
Discuss
Answer & Solution
Answer: Option D
Solution:
The Equator is the line of 0° latitude. Each parallel measures one degree north or south of the Equator, with 90° north of the Equator and 90° south of the Equator. The latitude of the North Pole is 90° N, and the latitude of the South Pole is 90° S.
52
Isobar lines show
Discuss
Answer & Solution
Answer: Option A
Solution:
A line drawn on a weather map connecting points of equal pressure is called an isobar. Isobars are generated from mean sea level pressure reports and are given in millibars.
53
Evidence suggests that life on Earth has existed for about ________.
Discuss
Answer & Solution
Answer: Option D
Solution:
Evidence suggests that life on Earth has existed for about 3.5 billion years. The earliest known fossils on Earth date from 3.5 billion years ago and there is evidence that biological activity took place even earlier - just at the end of the period of late heavy bombardment.
54
Which of the statements given are correct?
1. Coriolis effect is zero at the Equator.
2. Coriolis effect is more towards the Poles.
3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes.
4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
Discuss
Answer & Solution
Answer: Option C
Solution:
The statements that are correct are Coriolis effect is zero at the Equator, Coriolis effects are related to the decreasing rotational velocity with increasing latitudes and Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
55
If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
Discuss
Answer & Solution
Answer: Option B
Solution:
If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be 35°. The time difference between each longitude (each degree) is 4 minutes. So if it is 12 noon at Greenwich (0°), it would be 12:04 pm at 1° meridian and so on.
56
The network of the series of vertical and horizontal lines is known as
Discuss
Answer & Solution
Answer: Option D
Solution:
The network of the series of vertical and horizontal lines is known as Geographical Coordinates System. There are 2 co-ordinate values for a point latitude and longitude. A geographic coordinate system (GCS) uses a three-dimensional spherical surface to define locations on the earth. A GCS is often incorrectly called a datum, but a datum is only one part of a GCS. A GCS includes an angular unit of measure, a prime meridian, and a datum (based on a spheroid).
57
At the summer solstice, which one of the following latitudes will have the longest night?
Discuss
Answer & Solution
Answer: Option D
Solution:
At the summer solstice, which one of the following latitudes will have the longest night 60°S. The summer solstice, also known as midsummer, occurs when one of the Earth's poles has its maximum tilt toward the Sun.
58
The most abundant metal in the Earth's Crust is
Discuss
Answer & Solution
Answer: Option C
Solution:
Aluminum is the third most abundant element in Earth's crust. Aluminum does not exist as a lone element, and it is found as a compound. Abundant compounds of Aluminum include aluminum oxide, aluminum hydroxide, and potassium aluminum sulfate.
59
Tides are complied and they vary from place to place because of ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Tides are complied and they vary from place to place because of The movement of Moon in relation to Earth, Uneven distribution of water over the globe and Irregularities in the configuration of oceans.
60
Which of the followings are related with "Lithosphere"?
Discuss
Answer & Solution
Answer: Option C
Solution:
The word lithosphere is made up of two words i.e. litho and sphere. 'Litho', means crust (rock) solid. Thus the term 'Lithosphere' signifies Earth crust. Earth's lithosphere includes the crust and the uppermost mantle, which constitute the hard and rigid outer layer of the Earth.