Which is the hardest substance in the human body...?

PPSC Past Papers

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

Which is the hardest substance in the human body...?

(A) Tooth enamel

(B) Skull

(C) Knee cap

(D) Rib

✅ Correct Answer: Tooth enamel

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Source: This question is taken from the Everyday Science

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

Which of the following occurs when light passes through a substance unchanged...?

(A) Transmission

(B) Reflection

(C) Absorption

(D) Refraction

✅ Correct Answer: Transmission

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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 substance that causes undesirable change to the environment...?

(A) Climate Change

(B) Pollution

(C) Pollutant

(D) None

✅ Correct Answer: Pollutant

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Source: This question is taken from the Everyday Science

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

The most densest substance on the Earth is __________....?

(A) Platinum

(B) Copper

(C) Steel

(D) Osmium

✅ Correct Answer: Osmium

Comments

Source: This question is taken from the Everyday Science

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

Which of the following is the hardest substance...?

(A) Copper

(B) Diamond

(C) Iron

(D) Silicon

✅ Correct Answer: Diamond

Comments

Source: This question is taken from the Everyday Science

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

Chlorophyll is a green substance that is present in _____...?

(A) Mitochondria

(B) Nucleus

(C) Chloroplast

(D) Golgi Apparatus

✅ Correct Answer: Chloroplast

Comments

Source: This question is taken from the Everyday Science

Which is the hardest substance in the human body...? Mcqs

PPSC Past Papers