Timed Challenge - Answer & Submit | GK Mania

1 What is proof by induction used for?

A) Proving a statement is true

B) Proving by example only

C) Approximating solutions

D) Disproving a hypothesis

2 What is carbon neutral?

A) No flying

B) Zero net CO₂

C) No driving

D) No energy use

3 What element is in every organic compound?

A) Oxygen

B) Hydrogen

C) Carbon

D) Nitrogen

4 What is PCR in molecular biology?

A) A type of cell

B) Polymerase Chain

C) A chemical element

D) A microscope setting

5 What did Edison help invent?

A) Telephone

B) Radio

C) Television

D) Light bulb

6 What is the oxidation state of oxygen in water?

A) -1

B) +2

C) +1

D) -2

7 What element is number 1 on the periodic table?

A) Lithium

B) Hydrogen

C) Carbon

D) Helium

8 What is vulcanization?

A) Freezing water

B) Evaporating salt

C) Melting metal

D) process of

9 What do you add to water to make salt water?

A) Salt

B) Vinegar

C) Oil

D) Sugar

10 What gas is in fizzy drinks?

A) Oxygen

B) Hydrogen

C) Nitrogen

D) Carbon

Quiz

1 What is proof by induction used for?

2 What is carbon neutral?

3 What element is in every organic compound?

4 What is PCR in molecular biology?

5 What did Edison help invent?

6 What is the oxidation state of oxygen in water?

7 What element is number 1 on the periodic table?

8 What is vulcanization?

9 What do you add to water to make salt water?

10 What gas is in fizzy drinks?

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Quiz

1 What is proof by induction used for?

2 What is carbon neutral?

3 What element is in every organic compound?

4 What is PCR in molecular biology?

5 What did Edison help invent?

6 What is the oxidation state of oxygen in water?

7 What element is number 1 on the periodic table?

8 What is vulcanization?

9 What do you add to water to make salt water?

10 What gas is in fizzy drinks?

Navigator

Quiz Results