KS3 Unit 9d – Plants for Food 1© NTScience.co.uk 2005

Plants for Food

KS3 Unit 9d – Plants for Food 2© NTScience.co.uk 2005

Q1. What is a large molecule made from a string of simple sugar

molecules called?

KS3 Unit 9d – Plants for Food 3© NTScience.co.uk 2005

A1. Starch

KS3 Unit 9d – Plants for Food 4© NTScience.co.uk 2005

Q2. Name a carbohydrate that is

easily soluble in water

KS3 Unit 9d – Plants for Food 5© NTScience.co.uk 2005

A2. Sugar

KS3 Unit 9d – Plants for Food 6© NTScience.co.uk 2005

Q3. Name a very easily digested simple sugar

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A3. Glucose

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Q4. What form of energy is used by green plants

to produce chemical energy (food)?

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A4. Light

KS3 Unit 9d – Plants for Food 10© NTScience.co.uk 2005

Q5. Name the most common solvent,

needed for life processes to take place

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A5. Water

KS3 Unit 9d – Plants for Food 12© NTScience.co.uk 2005

Q6. Name the process used by green plants to convert light energy into

chemical energy

KS3 Unit 9d – Plants for Food 13© NTScience.co.uk 2005

A6. Photosynthesis

KS3 Unit 9d – Plants for Food 14© NTScience.co.uk 2005

Q7. Name a large molecule made from a string of amino acids. Used for body growth

and repair

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A7. Protein

KS3 Unit 9d – Plants for Food 16© NTScience.co.uk 2005

Q8. What do we call a quantity of plant or animal material?

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A8. Biomass

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Q9. What is a chemical sprayed on crops to kill

weeds called?

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A9. Herbicide

KS3 Unit 9d – Plants for Food 20© NTScience.co.uk 2005

Q10. What is a chemical sprayed on crops to kill

unwanted insects called?

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A10. Pesticide

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Q11. What is an unwanted plant growing in between crops called?

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A11. A weed

KS3 Unit 9d – Plants for Food 24© NTScience.co.uk 2005

Q12. What is the process of choosing particular animals or

plants to breed together to produce the next generation called?

KS3 Unit 9d – Plants for Food 25© NTScience.co.uk 2005

A12. Selection

KS3 Unit 9d – Plants for Food 26© NTScience.co.uk 2005

Q13. What are trees that lose their leaves in

Winter called?

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A13. Deciduous

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Q14. What is the evaporation of water from plant surfaces,

usually from stomata on leaves, called?

KS3 Unit 9d – Plants for Food 29© NTScience.co.uk 2005

A14. Transpiration

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Q15. Name a cereal crop used to make flour

for bread and pasta

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A15. Wheat

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Q16. Name a food crop that produces thin white

grains

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A16. Rice

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Q17. What do we call a chemical found in

vegetables, fruit and cereals that help your

body to work efficiently?

KS3 Unit 9d – Plants for Food 35© NTScience.co.uk 2005

A17. A Vitamin

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Q18. Name the process of breaking down foods

for energy within an organism

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A18. Respiration

KS3 Unit 9d – Plants for Food 38© NTScience.co.uk 2005

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