Ozone layer exist above the earth about ______...?

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💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Ozone layer exist above the earth about ______...?

(A) 35km

(B) 25km

(C) 40km

(D) 30km

✅ Correct Answer: 30km

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide

(B) Chlorofluorocarbons

(C) Nitrogen oxides

(D) Methane

✅ Correct Answer: Chlorofluorocarbons

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red

(B) Ultraviolet

(C) X-rays

(D) Gamma rays

✅ Correct Answer: Ultraviolet

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves

(B) infrared

(C) X-rays

(D) ultraviolet

✅ Correct Answer: ultraviolet

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Water is a ______...?

(A) Polar solvent

(B) Non-polar solvent

(C) Amphiphatic solvent

(D) Non-polar charged solvent

✅ Correct Answer: Polar solvent

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The nearest Star to the planet earth is ________ ...?

(A) Regel

(B) Canopus

(C) Sun

(D) Betelgeuse

✅ Correct Answer: Sun

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years

(B) 3.2 light years

(C) 2.4 light years

(D) 1.5 light years

✅ Correct Answer: 4.2 light years

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Ozone layer is part of ______...?

(A) Mesosphere

(B) Stratosphere

(C) Thermosphere

(D) Troposphere

✅ Correct Answer: Troposphere

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

A communication satellite completes its one revolution around the Earth in ______ hours....?

(A) 6

(B) 12

(C) 18

(D) 24

✅ Correct Answer: 24

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Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

The ozone layer is at height of________kilometers from the surface of the Earth...?

(A) 10 to 20

(B) 20 to 30

(C) 30 to 40

(D) 40 to 50

✅ Correct Answer: 20 to 30

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Ozone layer exist above the earth about ______...? Mcqs

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