BECE Science 2

Question 1

Which gas do plants absorb from the atmosphere during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Plants absorb carbon dioxide (CO₂) from the air and use it along with water and sunlight to produce glucose during photosynthesis.

Question 2

What is the chemical formula for water?

Accepted Answer

H₂O

Answer

Water is composed of two hydrogen atoms bonded to one oxygen atom, giving it the formula H₂O.

Question 3

Which part of the human body produces insulin?

Accepted Answer

Pancreas

Answer

The pancreas produces insulin, a hormone that regulates blood sugar (glucose) levels in the body.

Question 4

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Food stores chemical energy in the bonds of molecules like carbohydrates and fats, which is released during cellular respiration.

Question 5

Which planet is known as the Red Planet?

Accepted Answer

Mars

Answer

Mars appears red due to iron oxide (rust) on its surface, earning it the nickname the Red Planet.

(BECE) Basic Education Certificate Examination Practice Test