Standard Science Primary 6 Energy

Siti placed a water plant in a beaker of water and provided it with light. She observed bubbles being produced. What was she testing for?

A Rate of photosynthesis
B Rate of transpiration
C Amount of water absorbed
D Amount of starch stored
Show Worked Solution

Worked Solution

Step 1: Photosynthesis produces oxygen as a byproduct. Step [2-9]: In an underwater plant, oxygen is released as bubbles. Step [2-9]: The number of bubbles per minute measures the rate of photosynthesis.

Correct answer: Rate of photosynthesis

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free