General Science Quiz 49 (20 MCQs)

Quiz Instructions

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1. The air is said to be saturated when the number of molecules leaving the liquid state is the same as the molecule condensing

Correct Answer: A) True.

2. The only element which has completed its duplet

Correct Answer: D) Helium.

3. Those at greatest risk of food-borne illness include.....

Correct Answer: D) All of the above.

4. A cloud of gas and dust left behind after an explosive supernova.

Correct Answer: A) Nebula.

5. What are the polymers of proteins?

Correct Answer: C) Polypeptides.

6. The trees in rainforests create a:

Correct Answer: B) Canopy.

7. A cylindrical coil of wire, used to produce a magnetic field when an electrical current passes through the wire

Correct Answer: D) Solenoid.

8. Light rays that pass through a..... are spread apart.

Correct Answer: A) Concave lens.

9. Which is not a chemical element needed to build sugars?

Correct Answer: C) Nitrogen.

10. Typical people have how many baby teeth as kids?

Correct Answer: A) 20.

11. ..... is used in fire extinguisher

Correct Answer: A) Carbon dioxide.

12. The periodic table designed by..... was incomplete

Correct Answer: A) Dimitri Mendelev.

13. The ratio of the ages of A and B at present is 3:1. Four years earlier the ratio was 4:1. The present age of A is

Correct Answer: C) 36.

14. Which of the following is unicellular?

Correct Answer: A) Bacteria.

15. Since natural gas is formed from dead plants, it's a renewable resource.

Correct Answer: B) False.

16. NaCl How many total atoms?

Correct Answer: C) 2.

17. As for salts, the wrong statement means,

Correct Answer: D) A salivary is caused by both the elements of the Lo.

18. Who painted the Mona Lisa?

Correct Answer: C) Leonardo da Vinci.

19. As we go deeper into the ocean layers, the pressure decreases.

Correct Answer: B) False.

20. A lever is designed to:

Correct Answer: A) Reduce the amount of force required to do work.