Standard Science Primary 5 Systems

Siti observed a cross-section of a plant stem and noted the functions of Tube X and Tube Y. Which of the following correctly identifies the substances transported by Tube X and Tube Y?

A Tube X transports water; Tube Y transports food.
B Tube X transports water; Tube Y transports air.
C Tube X transports food; Tube Y transports water.
D Tube X transports air; Tube Y transports water.
Show Worked Solution

Worked Solution

Step 1: Tube X transports substances from roots to leaves (upwards only). This is the water-carrying tube. Step 2: Tube Y transports substances from leaves to all parts of the plant. This is the food-carrying tube. Step 3: Match the functions to the tubes.

Correct answer: Tube X transports water; Tube Y transports food.

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

Start Free Trial — 7 Days Free