Prepare effectively for Assam government competitive exams like APSC, ADRE, TET, B.Ed , and various other recruitment tests with the Top 50 Basic Science MCQs. This comprehensive collection covers Assam’s history all updated and curated to boost your exam success
1. Father of the Green Revolution in India is:
Answer: a) M.S. Swaminathan
Explanation: M.S. Swaminathan was instrumental in introducing high-yielding
crop varieties in India during the 1960s.
2. Which vitamin is known as ascorbic acid?
Answer: b) Vitamin C
Explanation: Vitamin C, or ascorbic acid, is essential for tissue repair and
immune function.
3. Which metal is used in making filaments of electric bulbs?
Answer: b) Tungsten
Explanation: Tungsten has a high melting point, making it ideal for use as a
filament in bulbs.
4. Which is the smallest particle of an element that retains its properties?
Answer: a) Atom
Explanation: The atom is the basic unit of matter that retains the
properties of an element.
5. The first man-made satellite launched by India was:
Answer: b) Aryabhata
Explanation: Aryabhata, India’s first satellite, was launched in 1975 with
Soviet assistance.
6. Which organ purifies blood in the human body?
Answer: b) Kidney
Explanation: Kidneys filter waste products from the blood and maintain fluid
balance.
7. Which gas is filled in balloons for safety instead of hydrogen?
Answer: b) Helium
Explanation: Helium is inert and non-flammable, making it safer than
hydrogen for balloons.
8. In which layer of Earth’s atmosphere does weather occur?
Answer: b) Troposphere
Explanation: Weather phenomena occur in the troposphere, the lowest layer of
the atmosphere.
9. Which acid is found in vinegar?
Answer: a) Acetic acid
Explanation: Vinegar contains acetic acid, giving it its sour taste and
smell.
10. Who proposed the theory of evolution by natural selection?
Answer: b) Darwin
Explanation: Charles Darwin proposed the theory of evolution by natural
selection in his work 'On the Origin of Species' (1859).
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