201. The oldest rock system of the world is:

The Archaean Rock system
The Zircons Rock system
The Primitive Rock system
None of these

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is:" class="read-more button" href="https://exam.pscnotes.com/mcq/the-oldest-rock-system-of-the-world-is/#more-48371">Detailed SolutionThe oldest rock system of the world is:

202. The ionosphere includes

mesosphere
thermosphere
thermosphere and exosphere
thermosphere, exosphere and mesosphere

Detailed SolutionThe

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ionosphere includes

203. The panama canal links

Canada with Greenland
North America with South America
Siberia with Greenland
None of the above

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canal links" class="read-more button" href="https://exam.pscnotes.com/mcq/the-panama-canal-links/#more-48284">Detailed SolutionThe panama canal links

204. Which of the following is tropical grassland?

Taiga
Savannah
Pampas
Prairies

Detailed Solution

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class="screen-reader-text">Which of the following is tropical grassland?

205. The traditional lands of the nomads of Central Asia are

Mongolia and Tibet
Sinkiang and Turkistan
Kirghiz steppe
All of the above

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Asia are" class="read-more button" href="https://exam.pscnotes.com/mcq/the-traditional-lands-of-the-nomads-of-central-asia-are/#more-48192">Detailed SolutionThe traditional lands of the nomads of Central Asia are

206. The greatest variety of animal and plant species is found in

temperate grasslands
tropical moist forests
tundra regions
in hot deserts

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48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube in" class="read-more button" href="https://exam.pscnotes.com/mcq/the-greatest-variety-of-animal-and-plant-species-is-found-in/#more-48153">Detailed SolutionThe greatest variety of animal and plant species is found in

207. The monetary currency of Greece is called (prior to Jan 1, 2002).

guilder
drachma
yen
dinar

Detailed SolutionThe

monetary currency of Greece is called (prior to Jan 1, 2002).

208. The sediment deposited at the base of the glacier is called

till
moraine
glacial sand
None of the above

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called" class="read-more button" href="https://exam.pscnotes.com/mcq/the-sediment-deposited-at-the-base-of-the-glacier-is-called/#more-48118">Detailed SolutionThe sediment deposited at the base of the glacier is called

209. The planets with no natural satellites (reported so far) are

Mercury and Venus
Earth and Pluto
Mars and Neptune
Jupiter and Saturn

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button" href="https://exam.pscnotes.com/mcq/the-planets-with-no-natural-satellites-reported-so-far-are/#more-48098">Detailed SolutionThe planets with no natural satellites (reported so far) are

210. The ozone layer at high altitude contains

atomic oxygen (O) and ordinary oxygen (O2)
only ozone (O3)
mixture of atomic oxygen (O), ordinary oxygen (O2) and Ozone (O3)
only ordinary oxygen (O2)

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layer at high altitude contains" class="read-more button" href="https://exam.pscnotes.com/mcq/the-ozone-layer-at-high-altitude-contains/#more-47939">Detailed SolutionThe ozone layer at high altitude contains


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