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The following question based on science & tech topic of general awareness mcq
(a) Weak
(b) Flexible
(c) Elastic
(d) Lightweight
The correct answers to the above question in:
Answer: (a)
Graphene is a 2-dimensional single layer of carbon atoms. It is characterized by its flexibility, elasticity, lightweight, and strength.
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Read more science and tech Based General Awareness Questions and Answers
Question : 1
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 : 2
Which of the following falls in the category of endangered species under the Red data list of IUCN?
a) Snow leopard
b) All of the above
c) Crowned solitary eagle
d) Albatross
Answer »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.
Question : 3
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 : 4
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.
Question : 5
The Vikram Sarabhai Space Centre is located at
a) Trivandrum
b) Bangalore
c) Trombay
d) Sriharikota
Answer »Answer: (a)
The Vikram Sarabhai Space Centre is a major space research centre of the Indian Space Research Organisation (ISRO), focusing on rocket and space vehicles for India’s satellite programme. It is located in Thiruvananthapuram, in the Indian state of Kerala.
The centre had its beginnings as the Thumba Equatorial Rocket Launching Station (TERLS) in 1962. It was renamed in honour of Dr Vikram Sarabhai, the father of the Indian space program. The Vikram Sarabhai Space Center is one of the main Research & Development establishments within ISRO.
VSSC is an entirely indigenous facility working on the development of sounding rockets; Rohini and Menaka launchers; ASLV, PSLV GSLV and the GSLV Mk III.
Question : 6
Which of the following nuclear power plants (planned or active) are correctly matched with the state where they are located?
- Kakrapar Gujarat
- Gorakhpur Rajasthan
- Mithivirdi Maharashtra
a) 1 only
b) 1 and 2 only
c) 2 only
d) 1 and 3 only
Answer »Answer: (a)
Gorakhpur nuclear power plant has been proposed to be constructed at Fatehabad (Haryana), but has met with continuous protest from the farmers. Recently, Ministry of Environment, Forests & Climate Change has given coastal regulatory zone approval to Mithivirdi Nuclear Power Plant, Bhavnagar (Gujarat).
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