MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100

Which elements does glucose contains?

Important Questions on Obtaining Food

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 5>Q 18
By which process does the plant produce glucose?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 5>Q 19
Why does photosynthesis stop in the night?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 5>Q 20

At which of these times would you find most starch in a leaf. Explain your choice.

  • At the start of the day 
  • In the middle of the day 
  • At the end of the day 
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 5>Q 21
A plant's Biomass does not include water in it. Explain why not?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 5>Q 23

A scientist puts a plant in a dark place for two days. The scientist then tests the leaf for starch.

a) Describe how the scientist would do the test.

b) Predict what will happen.

c) Explain your prediction.

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 6>Q 24
Describe how to stop iodine solution from getting in your eyes.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 6>Q 25
Describe how to control the risk of using ethanol.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 1 - Obtaining Food>Exercise 6>Q 26

When a gas burner heats things, it gets very hot.

a)Describe the hazard of using a gas burner.

b)Suggest one way of controlling the risk.