Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Obtaining Food, Exercise 1: Exercise 1

Author:Aidan Gill, Heidi Foxford & Dorothy Warren

Aidan Gill Science Solutions for Exercise - Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Obtaining Food, Exercise 1: Exercise 1

Attempt the practice questions on Chapter 1: Obtaining Food, Exercise 1: Exercise 1 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 8 : Workbook solutions are prepared by Experienced Embibe Experts.

Questions from Aidan Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Obtaining Food, Exercise 1: Exercise 1 with Hints & Solutions

MEDIUM
Lower Secondary Stage 8
IMPORTANT

Khadija is investigating photosynthesis in pondweed.

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Bubbles of gas are produced.

What gas is produced?

MEDIUM
Lower Secondary Stage 8
IMPORTANT

Khadija is investigating photosynthesis in pondweed.

Question Image

Bubbles of gas are produced.

How could Khadija test for the gas?

EASY
Lower Secondary Stage 8
IMPORTANT

From what is most of a plant's biomass made? Choose one box.

MEDIUM
Lower Secondary Stage 8
IMPORTANT

The diagram below shows a section through a leaf

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Use the diagram to help you answer the questions.

Through which part does water escape?

MEDIUM
Lower Secondary Stage 8
IMPORTANT

The diagram below shows a section through a leaf

Question Image

Use the diagram to help you answer the questions.

In which part of the leaf most photosynthesis takes place?

MEDIUM
Lower Secondary Stage 8
IMPORTANT

The diagram below shows a section through a leaf

 

Question Image

Use the diagram to help you answer the questions.

Which part of the leaf has air spaces so that gases can move around?

MEDIUM
Lower Secondary Stage 8
IMPORTANT

Some trees have small needles instead of leaves. The needles have fewer stomata and a thick waxy cuticle. 

Explain one way this helps the tree survive.

Fewer stomata and a thick waxy cuticle help the tree lose less _______

This is important for survival because water is needed for ________

MEDIUM
Lower Secondary Stage 8
IMPORTANT

Surika has a variegated leaf from a plant that has been in a sunny place two days. A variegated leaf has both green and white parts.

She boils the leaf in water.

Then she then puts it in hot ethanol.

Finally, she tests it with iodine solution.

Complete the table to show what results you would expect and why.