General Science Quiz 108 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Hardness in water is caused by the presence of:

Correct Answer: C) Calcium chloride.

2. Polymers that are found in living organisms

Correct Answer: A) Naturally existing polymers.

3. Suggests a runaway movement that accounts for the main tectonic changes associated with the Flood

Correct Answer: B) Catastrophic plate tectonics.

4. Glow sticks produce light for a short amount of time. The light from the glow stick is produced by.....

Correct Answer: A) Chemical energy.

5. Computers and other electrical devices should be ..... If it is not used to save electricity.

Correct Answer: D) Turned off.

6. What is the process by which plants convert sunlight into energy called?

Correct Answer: A) Photosynthesis.

7. An object with a mass of 75 kg, the Earth's gravity 10 N/kg What is the weight?

Correct Answer: C) 750 n.

8. What does the nucleus do?

Correct Answer: A) Tells the cells what to do.

9. Which of these is the top layer of the ocean?

Correct Answer: A) Epipelagic.

10. What percent of the Earth's surface is covered by Oceans?

Correct Answer: C) 70%.

11. What predicts the outcome

Correct Answer: B) Punnet square.

12. The wavelenght of radio waves is very long as compared to which waves?

Correct Answer: B) Light.

13. Sound is able to travel faster in solids than in air because

Correct Answer: A) Solid molecules are closer together than air.

14. Goitre and anaemia diseases occur due to deficiency of.....

Correct Answer: D) Minerals.

15. I am something, I am made of rock and metal and I lie between mars and Jupiter. What am I?

Correct Answer: B) Asteroids.

16. Is the amount of grass an abiotic factor or biotic factor?

Correct Answer: B) Biotic.

17. Check all answers.How can water be purified?

Correct Answer: A) Using bleach and Boiling it.

18. ....., Saturn's largest moon, is larger than Mercury and has an atmosphere

Correct Answer: C) Titan.

19. Process by which certain bacteria convert nitrogen in the soil into nitrogen compounds

Correct Answer: A) Fixation.

20. Galvanized iron sheets have a coating of.....

Correct Answer: B) Zinc.