Some truths are better left unknown… but not in this quiz. thumbnail
Some truths are better left unknown… but not in this quiz. thumbnail

Some truths are better left unknown… but not in this quiz.

9th - 12th grades
Played 20 times
Private thumbnail
Private
Preview (10 questions)
1 Question
30 seconds
Q.

What percentage of the ocean remains unexplored by humans?


50%

70%

95%

30%

2 Question
30 seconds
Q.

What is the most common cause of death worldwide?


Cancer

Heart disease

Accidents

Infections

3 Question
30 seconds
Q.

How long does the brain remain active after death (approx)?


2 seconds

10 seconds

1 minute

5 minutes

4 Question
30 seconds
Q.

Which country has one of the highest suicide rates (recent trend)?


Japan

South Korea

India

Russia

5 Question
30 seconds
Q.

Which animal kills the most humans each year?


Shark

Snake

Mosquito

Lion

6 Question
30 seconds
Q.

What percentage of the human brain do we actually use?


10%

25%

50%

100%

7 Question
30 seconds
Q.

How long can a human survive without sleep (record)?


3 days

7 days

11 days

20 days

8 Question
30 seconds
Q.

How long can a person survive without water in extreme conditions?


1 day

3 days

7 days

2 weeks

9 Question
30 seconds
Q.

What is the “last sense” most people retain before death?


Sight

Touch

Hearing

Smell

10 Question
30 seconds
Q.

What percentage of people lie daily, even about small things?


10%

30%

60%

90%

Cache-Control: no-cache, private Content-Type: application/json Date: Sun, 11 Oct 2026 05:00:18 GMT