🏛️ MCQs: Science and Technology S001– Basic Science Concepts 🧠

🌿 Intro

Sharpen your scientific instincts with these foundational MCQs.
Click each question to reveal the correct answer and detailed explanation!

✅ Correct Answer: (C) Proton

📝 Explanation:
Protons are positively charged subatomic particles found in the nucleus of an atom.

✅ Correct Answer: (B) Nitrogen

📝 Explanation:
Nitrogen makes up about 78% of Earth’s atmosphere, followed by oxygen at 21%.

✅ Correct Answer: (D) Vitamin D

📝 Explanation:
The human body produces Vitamin D when the skin is exposed to ultraviolet B (UVB) rays from sunlight.

✅ Correct Answer: (C) Newton

📝 Explanation:
The SI unit of force is Newton, named after Sir Isaac Newton.

✅ Correct Answer: (B) Liver

📝 Explanation:
The liver processes and eliminates toxins from the bloodstream.

✅ Correct Answer: (C) Mars

📝 Explanation:
Mars appears red due to the presence of iron oxide (rust) on its surface.

✅ Correct Answer: (B) Au

📝 Explanation:
The chemical symbol for Gold is Au, derived from the Latin word ‘Aurum’.

✅ Correct Answer: (B) Outer Core

📝 Explanation:
The Earth’s outer core is liquid, composed mainly of molten iron and nickel.

✅ Correct Answer: (D) O Negative

📝 Explanation:
People with O negative blood type can donate to anyone, making them universal donors.

✅ Correct Answer: (B) Barometer

📝 Explanation:
A barometer is an instrument used to measure atmospheric pressure.

🎯 Closing Whisper:

🕊️ Science is the art of asking and answering questions.
Keep questioning, keep soaring!