Physical Geography (Railway)

Total Questions: 50

21. Where is the Sargaso Sea located? [RRB RPF Constable Exam, 18.02.2019 Shift-II]

Correct Answer: (4) Atlantic Ocean
Solution:The Sargaso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary.

• The sea is bounded on the west by the Gulf Stream, on the north by the North Atlantic Current, on the east by the Canary Current, and on the south by the North Atlantic Equatorial Current.

22. Jet streams are found in which layer of the Earth atmosphere ? [RRB RPF Constable Exam, 18.02.2019 Shift-II]

Correct Answer: (4) Troposphere
Solution:Jet streams are caused by a combination of a planet's rotation on its axis and atmospheric heating (by solar radiation and, on some planets other than Earth, internal heat).

• Jet streams are fast flowing: narrow air currents found in the upper atmosphere or in Troposphere

23. Monsoon winds are of_________ nature. [RRB RPF Constable Exam, 19.02.2019 Shift-II]

Correct Answer: (1) Fluctuating
Solution:Monsoon wind are fluctuating in nature due to different atmospheric pressure. The winds encounters various atmospherie conditions on their way.

• The changes in pressure over the southern oceans also affect the monsoons when then cross over tropical seas. This makes them pulsating In nature and not steady.

24. Which of the following is not a natural environment? [RRB RPF Constable Exam, 19.02.2019 Shift-II]

Correct Answer: (4) Garden
Solution:The major components of environment are natural environment (consists of all objects created by nature). human environment (consists of human beings) and human-made environment (consists of objects created by human beings).

• Parks, buildings, roads and Industries are some examples of human-made environment.

25. Venus revolves around from______ to ________ of its axis. [RRB RPF Constable Exam, 17.01.2019 Shift-III]

Correct Answer: (3) East, West
Solution:All the planets orbit the Sun in a counter-clockwise direction and rotate on their axis counterclockwise (west to east), except for Venus and Uranus.

• Venus rotates clockwise (east to west) the Sun.

26. Which of the following star is closest to the Earth? [RRB RPF Constable Exam, 17.01.2019 Shift-III]

Correct Answer: (4) Proxima Centauri
Solution:Proxima Centauri, a part of a triple star system named Alpha Centauri, is the closest star to the Earth.

• It is about 4.25 light-years from the Earth.

27. Which of the followings is the least dense planet in the Solar System? [RRB RPF Constable Exam, 20.01.2019 Shift-III]

Correct Answer: (4) Saturn
Solution:The Saturn is a large gas planet with an atmosphere composed of hydrogen and helium.

• The Saturn has the lowest density of any planet in the solar system.

• Its density is so low that it would float if it was placed in water.

28. The cloud of dust and gas inside the galaxy is called: [RRB RPF Constable Exam, 02.02.2019 ShiftI-I]

Correct Answer: (3) Nebula
Solution:Stars form when regions of dust and gas in a galaxy are collapse due to gravity.

• A nebula is a giant cloud of dust and gas in space.

• The most familiar nebulas are the Orion Nebula, the Ring Nebula, and the Carina Nebula.

29. All the object that shine in the night sky are called [RRB RPF Constable Exam, 19.02.2019 Shift-II]

Correct Answer: (3) Astronomical objects
Solution:The Sun, the Moon and all those objects shining in the night sky are called Astronomical bodies.

• Some Astronomical bodies are very big and hot.

• They are made up of gases.

30. The down fold in a rock is knon as a/an: [RRB NTPC CBT-1 Exam, 30.12.2020 (Shift-I]

Correct Answer: (4) syncline
Solution:Folds typically occur in anticline syncline pairs. The hinge is the point of maximum curvature in a fold.

• An upward fold is called an anticline, while a downward fold is called a syncline.