Preview (10 questions)
1 Question
πριν 30 δευτερόλεπτα
Q.

Which part of the human body contains no blood vessels?


Brain

Cornea

Liver

Skin

2 Question
πριν 30 δευτερόλεπτα
Q.

 What animal can survive in space for a short time without protection?


Ant

Cockroach

Tardigrade

Beetle

3 Question
πριν 30 δευτερόλεπτα
Q.

Which metal is liquid at room temperature?


Mercury

Iron

Copper

Silver

4 Question
πριν 30 δευτερόλεπτα
Q.

What planet rains diamonds according to scientists?


Mars

Saturn

Venus

Mercury

5 Question
πριν 30 δευτερόλεπτα
Q.

How many bones do sharks have in their bodies?


50

100

0

206

6 Question
πριν 30 δευτερόλεπτα
Q.

Which organ can regenerate itself?


Heart

Liver

Brain

Lung

7 Question
πριν 30 δευτερόλεπτα
Q.

Which animal has three hearts?


Octopus

Whale

Shark

Dolphin

8 Question
πριν 30 δευτερόλεπτα
Q.

Which gas makes up most of Earth's atmosphere?


Oxygen

Nitrogen

Carbon Dioxide

Hydrogen

9 Question
πριν 30 δευτερόλεπτα
Q.

What color is the Sun actually?


Yellow

Orange

White

Red

10 Question
πριν 30 δευτερόλεπτα
Q.

What is the strongest muscle in the human body (by force)?


Heart

Jaw

Arm

Thigh

Cache-Control: no-cache, private Content-Type: application/json Date: Thu, 30 Apr 2026 08:32:13 GMT