Preview (10 questions)
1 Question
30 secunde în urmă
Q.

What is the SI unit of electric current?


Volt

Ampere

Ohm

Watt

2 Question
30 secunde în urmă
Q.

Which law explains the relationship between current, voltage, and resistance?


Newton’s Law

Boyle’s Law

Ohm’s Law

Faraday’s Law

3 Question
30 secunde în urmă
Q.

What is the chemical formula of glucose?


C₂H₆O

C₆H₁₂O₆

CH₄

H₂SO₄

4 Question
30 secunde în urmă
Q.

Which part of the cell is known as the “powerhouse”?


Nucleus

Ribosome

Mitochondria

Golgi apparatus

5 Question
30 secunde în urmă
Q.

What is the speed of light in vacuum?


3 × 10⁶ m/s

3 × 10⁸ m/s

3 × 10¹⁰ m/s

3 × 10⁴ m/s

6 Question
30 secunde în urmă
Q.

Which gas is most abundant in Earth’s atmosphere?


Oxygen

Carbon dioxide

Nitrogen

Hydrogen

7 Question
30 secunde în urmă
Q.

What is the pH value of a neutral substance?


0

14

7

10

8 Question
30 secunde în urmă
Q.

Which organelle is responsible for protein synthesis?


Lysosome

Ribosome

Vacuole

Chloroplast

9 Question
30 secunde în urmă
Q.

Which planet is known as the Red Planet?


Venus

Mars

Jupiter

Saturn

10 Question
30 secunde în urmă
Q.

What type of reaction absorbs heat?


Exothermic

Endothermic

Neutralization

Combustion

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