GCSE Biology Revision 1

Which process involves the release of energy from food substances in all living cells?

• breathing

• nutrition

• respiration

• digestion

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NGSS.MS-LS1-7

Which of the four vertebrates in the table is a mammal?

• A

• B

• C

• D

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NGSS.MS-LS4-2

Which of the four vertebrates in the table is a mammal? What is the name of this animal according to the binomial system?

• Catus

• Felis leo

• Male African lion

• Top African jungle carnivore

The diagram shows a fish. Which letter is the fish?

• A

• B

• C

• D

Which of the following is a sperm cell?

• A

• B

• C

• D

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

The diagram shows a fish.

• The diagram shows a fish.

• a jelly-like substance

• a surrounding wall

• a tiny green disc

The diagram shows some of the structures found in the human abdomen.

• A

• B

• C

• D

Cilia are present on the surface of the cells of the trachea. The cilia of a smoker work less effectively than those of a non-smoker.

How does this affect the smoker?

• Less carbon dioxide is released.

• Less oxygen is released.

• More bacteria enter the lungs.

• More mucus is removed from the lungs.

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NGSS.MS-LS1-5

What is an example of osmosis?

• Carbon dioxide goes out through the stomata of a leaf.

• Digested food is absorbed from the small intestine.

• Oxygen goes into the blood from an alveolus.

• Water enters a plant root from the soil.

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

The diagram shows an experiment on diffusion. More sugar diffuses out of the bag than diffuses in.

What is the concentration of sugar in solution X?

• 10%

• 20%

• 30%

• 40%