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PT365 Science class-9 Quiz (10-Feb-2024)
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Which was the first country to give 200 crore vaccines to its people?
1 point
USA
Russia
China
India
Clear selection
Genetic Engineering Appraisal Committee comes under which ministry?
1 point
Ministry of Science & Technology
Ministry of Climate Change
Minsitry of Biotechnology
Ministry of Agriculture
Clear selection
[Prelims 1997] Which one of the following is used as an anti-freeze for the automobile engines ?
1 point
Propyl alcohol
Ethanol
Methanol
Ethylene glycol
Clear selection
[Prelims 2013] Consider the following:
1. Agaricus
2. Nostoc
3. Spirogyra
Which of the above are used as bio-fertilizer?
1 point
1 and 2 only
2 only
2 and 3 only
3 only
Clear selection
What is a Binary blackhole?
1 point
Two blackholes pushing away each other
Two balckholes very close to each other
A blackhole which splits into two black holes
A blackhole which has two centres
Clear selection
What is Tidal disruption event?
1 point
Impact on tides when Earth comes in between Sun and Moon during lunar eclipse.
Impact on tides when Moon comes in between Sun and Earth during solar eclipse.
Star collapses into itself to form balck hole.
Star in pulled apart by a black hole.
Clear selection
[Prelims 2023] With reference to the Earth's atmosphere, which one of the following statements is correct?
1 point
The total amount of insolation received at the equator is roughly about 10 times of that received at the poles.
Infrared rays constitute roughly twothirds of insolation.
Infrared waves are largely absorbed by water vapour that is concentrated in the lower atmosphere.
Infrared waves are a part of visible spectrum of electromagnetic waves of solar radiation.
Clear selection
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