21. The two planets having no satellites are:
Earth and Jupiter
Mercury and Venus
Mercury and Saturn
Venus and Mars
22. Which one of the following salts contributes maximum to the salinity of sea water?
Calcium sulphate
Magnesium chloride
Magnesium sulphate
Sodium chloride
23. Which one of the following currents does not contribute to form a complete circle of currents in the South Atlantic Ocean?
Benguela
Brazil
Canaries
West wind drift
24. Which one of the following longitudes along with the Prime Meridian forms a great circle on the globe?
0°
90° E
90° W
180°
25. Captain of a ship moving westward records the local time of 10:00 hrs Monday at 90° W. If the speed of the ship is the same as the speed of the rotation of the earth, which of the following local time and day would be found by the captain at International date line?
04:00 Monday
10:00 Monday
10:00 Tuesday
16:00 Tuesday
26. Consider the following statements and select the correct answer from the codes given below: 1. The northern end of the earth’s axis is called North Pole. 2. 45° parallel is half of the length of the equator. 3. There is parallelism of the earth’s axis. 4. The earth’s speed of revolution is faster in aphelion position. Codes:
1 and 2
2 and 3
3 and 4
1 and 3
27. Which one of the following may have alien life because of a very conducive environment of life?
Jupiter
Mars
Europa – the Jupiter’s Moon
Moon – the Earth’s Moon
28. The length of its day and tilt of its axis are almost identical to those of the Earth. This is true of:
Uranus
Neptune
Saturn
Mars
29. The Milky Way is classified as:
Spiral Galaxy
Electrical Galaxy
Irregular Galaxy
Round Galaxy
30. The substances present at the centre of the sun are in:
solid, liquid and gaseous states
liquid state only
gaseous state only
both liquid and gaseous states
31. Which one of the following statements is not true for laterite soils?
They are the soils of the humid tropical regions.
They are highly leached soils.
Their fertility is low.
They are rich in lime.
32. When it is noon at IST meridian, what would be the local time at 120° East longitude?
09.30
14.30
17.30
20.00
33. Which of the following planets takes the least time to orbit the Sun?
Pluto
Mercury
Earth
Saturn
34. Which one of the following is the correct sequence of the climatic regions while going from Zaire to the Netherlands? 1. Equatorial climate 2. Mediterranean climate 3. Hot desert climate 4. West European climate
1, 3, 2, 4
1, 4, 2, 3
2, 3, 4, 1
3, 2, 1, 4
35. Which of the following statements is not true?
Presence of water vapour is highly variable in the lower atmosphere.
The zone of maximum temperature is located along the equator.
Frigid zones are located in both the hemispheres between the polar circles and the poles.
Jet streams are high-altitude winds affecting the surface weather conditions.
36. Which one of the following is not correctly matched?
Isobar-atmospheric pressure
Isohyet-rainfall
Isohaline-snowfall
Isobath-depth
37. What is/are the date(s) on which days and nights are equal in both the hemispheres?
June 21
December 22
March 21 and September 23
June 21 and December 22
38. The Tropic of Cancer does not pass through
Egypt
India
Iran
Myanmar
39. When the moon size is half of the full moon, the angle between the Sun, the Earth and the Moon is
45º
90º
180º
270º
40. Consider the following statements and give the answer with the help of codes given below: Assertion (A): Only one side of the moon’s surface is visible from the earth. Reason (R): The period of rotation of the moon on its axis is equal to the period of its revolution around the earth. Code:
Both A and R are correct and R is the correct explanation of A.
Both A and R are correct, but R is not the correct explanation of A.
A is correct, but R is wrong.
A is wrong, but R is correct.
12 Total Test
360 Total Question
Scientifically designed for PCS
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IAS PCS SCC and others
75 Total Test
2250 Total Question
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IAS PCS SCC and others
69 Total Test
2070 Total Question
Scientifically designed for PCS
A must have for Civil services aspirant
Timer for time management
