MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100

Name two substances the water lily always needs to make food.

Important Questions on Obtaining Food

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Exercise 1>Q 2
List two raw materials (reactants) that plants need for photosynthesis.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 2
Name the chemical reaction that plants use to make food.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 2

Mia tests a lily leaf to find out if it contains starch. These are the steps she uses. They are in the incorrect order. 

 A  B  C  D
Wash the leaf in water (to remove ethanol and soften it again) Add iodine solution to the leaf Remove chlorophyll using ethanol Soften the leaf by boiling water
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 2

Water lilies have large flat leaves covering the surface of the water.

Explain how this feature helps the plants survive.

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 2
Suggest why you find few plants growing underneath lilies.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 2
Explain how a water lily is different to a human in the way its gets nutrition.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 3
State why we need carbohydrates in our diet.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Workbook>Chapter 1 - Obtaining Food>Test-style questions>Q 3
Explain why an athlete needs to eat more carbohydrates.