Psle 2012 Science Questions And Answers May 2026

The life cycle of a mosquito: Egg → Larva → Pupa → Adult.

(a) Stores water. (b) Reduces water loss (less surface area for transpiration) and protects from herbivores. psle 2012 science questions and answers

A mango seed is planted in a pot with soil. It is watered regularly but kept in a dark cupboard. After 2 weeks, the seed sprouts but has yellow leaves. The life cycle of a mosquito: Egg →

(a) Small intestine. (b) Absorbs water and minerals; stores undigested waste. psle 2012 science questions and answers

(a) What is this rapid growth of algae called? (b) Explain how this affects fish in the river.

(a) Name this phenomenon. (b) What causes it?

(a) Why are the leaves yellow? (b) What does the seedling use for energy before it produces green leaves?