Physical Geography (Railway)

Total Questions: 50

41. Where was the last Earth Summit held? [RRB NTPC CBT-1 Exam, 27.01.2021 (Shift-II)]

(1) Kyoto
(2) Rio de Janeiro
(3) Johannesburg
(4) Doha

Correct Answer: (2) Rio de Janeiro

Solution:The United Nations Conference on Environment and Development (UNCED), also known as the Earth Summit. was held in Rio de Janeiro, Brazil in June 1992.

42. Which of the following gases in the atmosphere is used up in three processes: combustion, respiration and in the formation of oxides of nitrogen? [RRB NTPC CBT-1 Exam, 03.02.2021 (Shift-I)]

(1) Carbon
(2) Oxygen
(3) Hydrogen
(4) Helium

Correct Answer: (2) Oxygen

Solution:Oxygen from the atmosphere is used up in three processes, namely combustion. respiration and in the formation of oxides.

• Photosynthesis is the only process by which oxygen is returned to the atmosphere.

43. The Kyoto Protocol is NOT applicable to which country ? [RRB NTPC CBT-1 Exam, 05.03.2021 (Shift-I)]

(1) Australia
(2) Indonesia
(3) Japan
(4) USA

Correct Answer: (4) USA

Solution:Kyoto Protocol was adopted in Kyoto, Japan on 11 December, 1997.

• It came into force on 16 February 2005.

• 84 countries are signatories of the Kyoto Protocol.

• 192 countries are parties of the Kyoto Protocol.

• Countries that are not parties of the Kyoto Protocol

➤ Canada

➤ Andorra

➤ The United States of America

➤ South Sudan

44. Which country held the world's first underwater cabinet meeting to highlight the issue of climate change? [RRB NTPC CBT-1 Exam, 05.03.2021 (Shift-II)]

(1) Maldives
(2) Thailand
(3) Haiti
(4) Malaysia

Correct Answer: (1) Maldives

Solution:Maldives held the world's first underwater cabinet meeting to raise awareness about the threat to the archipelago on account of global warming and stronger climate change resolutions before Copenhagen summit.

45. In which year was the Asiatic Cheetah declared extinct in India? [RRB NTPC CBT-1 Exam, 14.03.2021 (Shift-II)]

(1) 1947
(2) 1950
(3) 1952
(4) 1948

Correct Answer: (3) 1952

Solution:India's last spotted cheetah died in Chhattisgarh in 1947 and it was declared extinct in the country in 1952.

• It is expected to be reintroduced into the country in November 2021 at the Kuno National Park in Madhya Pradesh.

46. The time period between full moon to another full moon is: [RRB NTPC CBT-1 Exam. 14.03.2021 (Shift-II)]

(1) 29 days
(2) slightly longer than 29 days
(3) 30 days
(4) 28 days

Correct Answer: (2) slightly longer than 29 days

Solution:The time interval between a full moon and the next repetition of the same phase, a synodic month. averages about 29.53 days.

• Therefore, in those lunar calendars in which each month begins on the day of the new moon, the full moon falls on either the 14th or 15th day of the lunar month.

47. National Environmental Enginering Research Institute (NEERI) is located at: [RRB NTPC CBT-1 Exam, 15.03.2021 (Shift-I)]

(1) Indore
(2) Pune
(3) Nainital
(4) Nagpur

Correct Answer: (4) Nagpur

Solution:The National Environmental Engineering Research Institute was established in Nagpur in 1958.

• NEERI is a pioneer laboratory in the field of environmental science and engineering and part of Council of Scientific and Industrial Research (CSIR).

• It has five zonal laboratories at Cherinal, Delhi, Hyderabad, Kolkata and Mumbai.

48. Ozone layer thickness is measured in: [RRB NTPC CBT-1 Exam, 15.03.2021 (Shift-I)]

(1) Dobson unit
(2) Sievert unit
(3) decibels
(4) del unit

Correct Answer: (1) Dobson unit

Solution:The thickness of the ozone in the stratosphere is measured in Dobson units.

• One Dobson Unit is the number of molecules of ozone that would be required to create a layer of pure ozone 0.01 millimeters thick at a temperature of 0 degrees Celsius and a pressure of 1 atmosphere.

• Over the Earth's surface, the ozone layer's average thickness is about 300 Dobson Units.

49. The Ramsar Convention is for the: [RRB NTPC CBT-1 Exam, 15.03.2021 (Shift-I)]

(1) conservation of soil fertility
(2) conservation of wetlands
(3) conservation of tropical forests
(4) control of ozone layer depletion

Correct Answer: (2) conservation of wetlands

Solution:Conservation of wetlands

• The Ramsar Convention is an international treaty for the conservation and sustainable use of wetlands.

• It is also known as the Convention on Wetlands.

• It is named after the city of Ramsar in Iran, where the convention was signed in 1971.

50. Equatorial plane and Orbital plane are inclined to each other at which angle? [RRB NTPC CBT-1 Exam. 01.04.2021 (Shift-I)]

(1) 23.5°
(2) 66.5°
(3) 13.5°
(4) 67.5°

Correct Answer: (4) 67.5°

Solution:The earth's axis of rotation Is tilted 66.5 degrees with respect to its orbital plane around the sun and its axis of rotation is inclined 23.5 degrees from the perpendicular. with respect to this plane.

• The tilt of the earth affects the angle between the sun beam and the normal over a surface.

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