Last Biology P2 Review

Last Biology P2 Review

Multiple Choice

Which species can breed with Prunella vulgaris to produce fertile offspring?

• A

• B

• C

• D

Multiple Choice

What are features of the leaves of a plant that is a dicotyledon?

• broad leaves and parallel veins

• broad leaves only

• parallel veins only

Multiple Choice

The diagram shows an image of a chloroplast. The image is 5 cm long. The actual length of the chloroplast is 5 micrometer. What is the magnification of the image?

• x10

• x1000

• x10 000

• x100 000

Multiple Choice

The diagram shows a test-tube containing clear jelly. A drop of blue ink is injected into the middle of the jelly. The blue colour of the ink spreads throughout the jelly. By which process does the blue ink spread through the jelly.

• active transport

• catalysis

• diffusion

• osmosis

Multiple Choice

Which substances are made by linking together glucose molecules only?

• cellulose, glycogen and starch

• fats, cellulose and proteins

• proteins, oils and glycogen

• starch, fats and oils

Multiple Choice

Four solutions were tested to see whether they contained protein, starch or glucose. The colours of the solutions after the tests are recorded in the table. Which solution contained protein and glucose but not starch?

• A

• B

• C

• D

Emulsion test : milky white

Multiple Choice

The bases on one strand of a DNA molecule have the sequence CAGCT. What is the sequence of bases on the other strand?

• CAGCT

• GTCGA

• TGATC

• GCTAG

Multiple Choice

The diagram shows an experiment to investigate the balance between respiration and photosynthesis. In which tube are photosynthesis and respiration taking place at the same time?

• A

• B

• C

• D

Multiple Choice

A student investigates the breakdown of fats in milk by lipase. Four test-tubes labelled A to D are set up. The table shows the contents of each test-tube. In which test-tube will the contents become acidic most quickly?

• A

• B

• C

• D

Multiple Choice

1 The diagram illustrates changes in air pressure taking place inside the lungs during a complete cycle of breathing. Atmospheric pressure is 101 kPa. At which point on the diagram are the ribs beginning to be lowered?

• A

• B

• C

• D

Multiple Choice

Potted plants are left for a week in a tank of water as shown. Why do the plants die?

• The roots do not have enough oxygen.

• The roots do not have enough water.

• The roots have too much oxygen.

• The roots have too much carbon dioxide

Multiple Choice

A patient is injected with adrenaline. Which graph shows the expected changes to pulse rate and blood glucose concentration?

• A

• B

• C

• D

Multiple Choice

The table shows some of the processes that occur during eutrophication. Which row shows the correct increase or decrease of each process?

• A

• B

• C

• D

Multiple Choice

The bloodworm is an organism that is found in heavily polluted water. The diagram shows where raw sewage flows into a river. Where would there be fewest bloodworms?

• A

• B

• C

• D

Multiple Choice

The diagram shows an image of a chloroplast. The image is 5 cm long. The actual length of the chloroplast is 5 micrometer. What is the magnification of the image?

• x10

• x1000

• x10 000

• x100 000