set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on nuclear physics and conductivity topic of general science mcq
(a) Plutonium
(b) Thorium
(c) Enriched Uranium
(d) Tungsten
The correct answers to the above question in:
Answer: (a)
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Read more nuclear physics conductivity Based General Science Questions and Answers
Question : 1
In the modern day’s nuclear medicine plays a vital role in Medical Science, it is exactly
a) They are radio isotopes
b) They are infusion of herbs
c) They are drugs
d) They are chlorofluorocarbons
Answer »Answer: (a)
Question : 2
Radioactive substance emits
a) Gamma rays
b) Beta rays
c) Alpha rays
d) All of these
Answer »Answer: (d)
Question : 3
To meet its rapidly growing energy demand some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context, what advantage does thorium hold over uranium?
- Thorium is far more abundant in nature than uranium.
- On the basis of per unit mass of mined mineral, thorium can generate more energy compared to natural uranium.
- Thorium produces less harmful waste compared to uranium.
a) 1 and 3
b) 2 and 3
c) Only 1
d) 1, 2 and 3
Answer »Answer: (d)
Question : 4
Which one of the following is not correct?
a) ‘Dry ice’ is nothing but solid carbon dioxide
b) The breaking apart of the nucleus of an atom is called fusion
c) Theory of evolution was propounded by Charles Darwin
d) Telephone was invented by Graham Bell
Answer »Answer: (b)
Question : 5
Which one of the following is not radioactive?
a) Tritium
b) Francium
c) Astatine
d) Zirconium
Answer »Answer: (d)
Question : 6
The conductivity of a semiconductor at zero degree Kelvin is
a) $10^{-1}$ ohm
b) $10^{-5}$ ohm
c) $10^{5}$ ohm
d) Zero
Answer »Answer: (d)
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