UPSC PRELIMINARY MOCK TEST 243

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UPSC PRELIMINARY MOCK TEST 243

Question 71 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements is/are correct about a biosphere reserve?

1.A biosphere reserve focuses on protection of a single species rather than the entire ecosystem.
2. Gujarat has no biosphere reserve.

Select the correct answer using the code given below.

A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
Question 71 Explanation: 

Biosphere reserve focuses on conservation of whole biome rather than a species. Great Rann of Kutch biosphere is located in Gujurat. "

Question 72 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
27] Consider the following statements, regarding the newly discovered exoplanet system, 1] Unlike in the case of our solar system, the planets have apparently formed far away from its star and gradually migrated towards it. 2] Since the initial discovery of three planets was made using the Chile-based Transiting Planets and Planetesimals Small Telescope, the exoplanet system is called TRAPPIST-1. Which of the above statements is/are correct?
A
1 Only
B
2 Only
C
Both 1 and 2
D
Neither 1 nor 2
Question 72 Explanation: 
Both the statements are correct.

Unlike in the case of our solar system, the planets have apparently formed far away from the star and gradually migrated towards it. They share a similar formation history with the Galilean moons, which migrated towards Jupiter after formation. Another major difference in comparison with the solar system is the tight packing of the seven planets around the star. Since the initial discovery of three planets was made using the Chile-based Transiting Planets and Planetesimals Small Telescope, the exoplanet system is called TRAPPIST-1.

Question 73 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Treaty of Salbai is between Maratha Empire and which of the following Governor General?
A
Lord Cornwallis
B
Lord Hastings
C
Lord Bentick
D
Lord Eisenhover
Question 73 Explanation: 
Treaty of Salbai (1782): End of the First Phase of the Struggle Warren Hastings, the Governor-General in Bengal, rejected the Treaty of Wadgaon and sent a large force of soldiers under Colonel Goddard who captured Ahmedabad in February 1779 and Bassein in December 1780. Another Bengal detachment led by Captain Popham captured Gwalior in August 1780. In February 1781 the English, under General Camac, finally defeated Sindhia at Sipri. Sindhia proposed a new treaty between the Peshwa and the English, and the Treaty of Salbai was signed in May 1782; it was ratified by Hastings in June 1782 and by Phadnavis in February 1783 "
Question 74 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
'2020 CD3' was in news recently. What is it?
A
It is an asteroid orbiting around the Sun.
B
It is an asteroid orbiting around the Earth.
C
It is a new type of coronavirus, discovered in China
D
None of the above
Question 74 Explanation: 
2020 CD3, also known by its internal designation C26FED2, is a tiny near-Earth asteroid and temporary satellite of Earth.

Source: https://indianexpress.com/article/explained/express-explained-what-is-mini-moon-6290115/

Question 75 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is/are tributaries of the River Ganga?
  1. Gomti
  2. Yamuna
  3. Alaknanda
  4. Amaravati
A
1 and 3 only
B
2 and 4 only
C
1, 2 and 3 only
D
1, 2, 3 and 4
Question 75 Explanation: 
1, 2 and 3 only. Amaravati is a tributary of the River Kaveri.
There are 75 questions to complete.