UPSC PRELIMINARY MOCK TEST 257

 

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UPSC PRELIMINARY MOCK TEST 257

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Question 1
Which of the following are the favourable conditions for coral reef formations?
  1. Shallow continental shelf
  2. High sediments in the water
  3. Areas where fresh waters from rivers enter oceans
  4. Mean annual temperatures should be between 22 - 29 degree C.
Select the correct answer code:
A
1, 2
B
1, 3, 4
C
2, 3
D
1, 4
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Question 1 Explanation: 

High fresh water influx and sediments are unfavorable conditions for coral reef formations

Question 2
Consider the following statement with regard to Subarnarekha Port
  1. The port will be developed at Subarnarekha River's mouth at Chaumukh, Balasore district, Odisha.
  2. The proposed port will be developed by Tata Steel and Creative Port Development Pvt. Ltd.
Choose the correct option
A
1 Only
B
2 Only
C
Booth 1 and 2
D
Neither 1 nor 2
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Question 2 Explanation: 
Odisha Chief Minister has laid the foundation stone for the Subarnarekha Port. The port will be developed at Subarnarekha River's mouth at Chaumukh, Balasore district, Odisha. It will be developed as an all-weather, deep-draft seaport to host large and heavily loaded ships

The proposed port will be developed by Tata Steel and Creative Port Development Pvt. Ltd.

The benefits of the port are: a) help accelerate industrialisation in Odisha and boost its economic growth, b) will serve industries in Odisha, West Bengal, Jharkhand, Bihar, Uttar Pradesh and trans-border countries like Bangladesh, Nepal and others in South East Asia and c) generate employment opportunities.

Question 3
'Thymosin' hormone is responsible for:
A
Raising blood sugar level
B
Raising blood calcium level
C
Increasing the production of T lymphocytes
D
Decreasing blood RBC
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Question 3 Explanation: 
The thymus gland, located behind your sternum and between your lungs, is only active until puberty. After puberty, the thymus starts to slowly shrink and become replaced by fat.

Thymosin is the hormone of the thymus, and it stimulates the development of disease-fighting T cells.

The thymus gland will not function throughout a full lifetime, but it has a big responsibility when it's active-helping the body protect itself against autoimmunity, which occurs when the immune system turns against itself. Therefore, the thymus plays a vital role in the lymphatic system (your body's defense network) and endocrine system.

Before birth and throughout childhood, the thymus is instrumental in the production and maturation of T-lymphocytes or T cells, a specific type of white blood cell that protects the body from certain threats, including viruses and infections. The thymus produces and secretes thymosin, a hormone necessary for T cell development and production.

The thymus is special in that, unlike most organs, it is at its largest in children. Once you reach puberty, the thymus starts to slowly shrink and become replaced by fat. By age 75, the thymus is little more than fatty tissue. Fortunately, the thymus produces all of your T cells by the time you reach puberty.

Question 4
The Reserve Bank of India issues:
A
All the currency notes
B
All the currency notes except the one rupee note
C
Only notes of Rs. 10 and above
D
All the currency notes except the hundred rupee note
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Question 4 Explanation: 
Under Section 22 of the Reserve Bank of India Act, RBI has sole right to issue currency notes of various denominations except one rupee notes. The One Rupee note is issued by Ministry of Finance and it bears the signatures of Finance Secretary, while other notes bear the signature of Governor RBI.
Question 5
Hongyun project recently seen in news is related to
A
Provide broadband internet connectivity to users around the world, especially in the underserved regions.
B
China's first permanently-crewed space station.
C
China's mission to moon to explore the dark side of the Moon.
D
Development of digital economy by using Blockchain technology.
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Question 5 Explanation: 
Soulution: a)

China has launched its first communication satellite to provide broadband internet services

worldwide. The satellite is the first in the Hongyun project planned by China Aerospace Science and

Industry Corp (CASIC).

The Hongyun project, started in September 2016, aims to build a space-based communications network to provide broadband internet connectivity to users around the world, especially those in the underserved regions.

When the Hongyun project is complete, it will cover the whole world and offer round-the clock

communication services to users in polar regions, who now have difficulties accessing

telecommunication and internet services.

Source "

There are 5 questions to complete.

 

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