science & tech MCQ section 4 MCQ Questions & Answers Detailed Explanation
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The following question based on science & tech topic of general awareness mcq
(a) Snow leopard
(b) All of the above
(c) Crowned solitary eagle
(d) Albatross
The correct answers to the above question in:
Answer: (b)
The Crowned Solitary Eagle (Buteogallus coronatus), is a large South American raptor. Albatrosses are large flying birds that spend most of their life on the sea found in the Southern Hemisphere: Antarctica, Australia, South Africa, and South America.
The snow leopard (Panthera uncia or Uncia uncia ) is native to the mountain ranges of Central Asia. All of the three have been added to the red data list of IUCN.
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Read more science and tech Based General Awareness Questions and Answers
Question : 1
Consider the following Statements :
- The Fast Breeder Test Reactor (FBTR) is at the heart of the Indira Gandhi Centre for Atomic Research (IGCAR) at kalpakkam, and it is a forerunner to the second stage of the country’s nuclear power programme.
- Fast Reactors use “Fast” (high energy) neutrons to sustain the fission process, in contrast to water colled reactors that use thermal (low energy) neutrons. Fast reactors are commonly known as breeders because they breed more fuel than they consume.
a) 1 only
b) 1 and 2 both
c) 2 only
d) None
Answer »Answer: (b)
Fast breeder reactors constitute the second stage of India’s three-stage nuclear energy programme. The Fast Breeder Test Reactor built at Indira Gandhi Centre for Atomic Research, Kalpakkam, is a forerunner to the second stage of the Indian nuclear power programme.
Question : 2
Which of the following statements are correct regarding INS Arihant?
- It is India’s first indigenously designed and built nuclear submarine.
- It will be powered by thorium fuel.
- It is capable to launch K-4 missiles, which have range upto 500 km.
a) 1 and 3 only
b) 2 and 3 only
c) 1 only
d) None of these
Answer »Answer: (c)
It will use uranium as fuel. K-4 missiles have range upto 3500 km.
Question : 3
Which one of the following refers to the first nuclear reactor of India ?
a) Urvashi
b) Kamini
c) Apsara
d) Rohini
Answer »Answer: (c)
Apsara became the first nuclear reactor of India in 1956. It was named by the then Prime Minister of India, Jawaharlal Nehru when he likened the blue Cerenkov radiation to the beauty of the Apsaras (Indra's court dancers). This first nuclear research reactor of India completed 50 years in August 2006.
Question : 4
The process in which nitrogen is released into the atmosphere is
a) Denitrification
b) Nitirification
c) Biological nitrogen Fixation
d) Ammonification
Answer »Answer: (c)
Nitrogen fixation is a process by which nitrogen (N2 ) in the atmosphere is converted into ammonia (NH3 ). Atmospheric nitrogen or molecular nitrogen (N2 ) is relatively inert: it does not easily react with other chemicals to form new compounds.
It is essential for all forms of life because nitrogen is required to biosynthesize basic building blocks of plants, animals and other life forms, e.g., nucleotides for DNA and RNA and amino acids for proteins.
Question : 5
Which of the following is not a feature of Graphene?
a) Weak
b) Flexible
c) Elastic
d) Lightweight
Answer »Answer: (a)
Graphene is a 2-dimensional single layer of carbon atoms. It is characterized by its flexibility, elasticity, lightweight, and strength.
Question : 6
Which of the following statements are correct?
- Prithvi-II is a Surface-to-Surface Missile
- It can carry a 500 kg nuclear warhead
- It has a range of 350 KM
- Akash is the naval variant of the Prithvi missile
a) 3 and 4 only
b) 1 and 4 only
c) 1, 2 and 3 only
d) All of these
Answer »Answer: (c)
Dhanush is the naval variant of the Prithvi missile.
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