Elevate your general science knowledge with this set of multiple-choice questions (MCQs) designed for competitive exams. Strengthen your foundation in general science and boost your confidence for success in competitive examinations with this comprehensive set of general science MCQs for competitive exams.
General Science MCQ
1. What is the chemical symbol for gold?
a. Au
b. Ag
c. Fe
d. Cu
Answer: a. Au
2. Which gas is most abundant in Earth’s atmosphere?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Hydrogen
Answer: b. Nitrogen
3. What is the powerhouse of the cell?
a. Nucleus
b. Mitochondria
c. Ribosome
d. Endoplasmic reticulum
Answer: b. Mitochondria
4. Which planet is known as the “Red Planet”?
a. Venus
b. Mars
c. Jupiter
d. Saturn
Answer: b. Mars
5. What is the unit of electric current?
a. Volt
b. Watt
c. Ampere
d. Ohm
Answer: c. Ampere
6. What is the chemical symbol for the element oxygen?
a. O
b. Ox
c. Om
d. Oz
Answer: a. O
7. What is the speed of light in a vacuum?
a. 300,000 km/s
b. 150,000 km/s
c. 500,000 km/s
d. 1,000,000 km/s
Answer: a. 300,000 km/s
8. What is the largest organ in the human body?
a. Liver
b. Heart
c. Skin
d. Kidney
Answer: c. Skin
9. Which of the following compound is mainly used in hand sanitizer?
a. Alcohol
b. Acetic acid
c. Acetic acid
d. None of the above
Answer: a. Alcohol
10. What is the chemical symbol for sodium?
a. So
b. Na
c. Sn
d. Mg
Answer: b. Na