P6 Science · Chapter 19brightbit.net/worksheets

PSLE Review — Life Sciences

Name: ______________________Class: ________Date: ____________Score: ____ / 5

1.
Which combination correctly matches a process with where it primarily occurs in a plant?
(a) Photosynthesis – roots(b) Transpiration – leaves(c) Water absorption – leaves(d) Sugar transport – xylem
2.
In a food chain: Grass → Rabbit → Fox. If the fox population decreases drastically, which is the MOST LIKELY immediate effect?
(a) Rabbit population decreases(b) Grass population immediately increases(c) Rabbit population increases, leading to more grass being eaten(d) Grass becomes the top predator
3.
Which statement about aerobic respiration and photosynthesis is TRUE?
(a) Both produce oxygen(b) Both use light energy(c) Photosynthesis stores energy in glucose; respiration releases energy from glucose(d) Both occur only in plant cells
4.
What do vaccines and recovering naturally from a disease have in common?
(a) Both kill all bacteria in the body(b) Both lead to the formation of memory cells that provide future immunity(c) Both require antibiotic treatment(d) Both temporarily damage the immune system
5.
Which statement about inherited vs acquired characteristics is CORRECT?
(a) Suntans can be inherited by children(b) Height is purely genetic with no environmental influence(c) Blood group is inherited; speaking a language is acquired(d) Acquired characteristics are always passed on to offspring

Answer key — P6 Science: PSLE Review — Life Sciences

For parents. Step-by-step explanations for every question are free on brightbit.net.

1.(b) Transpiration – leaves
2.(c) Rabbit population increases, leading to more grass being eaten
3.(c) Photosynthesis stores energy in glucose; respiration releases energy from glucose
4.(b) Both lead to the formation of memory cells that provide future immunity
5.(c) Blood group is inherited; speaking a language is acquired

Free worksheet from BrightBit · more free P1–P6 worksheets at brightbit.net/worksheets

Practise this chapter online with instant feedback

Hints, explanations, streaks and a parent dashboard. Free, no credit card.