GCSE Biology - Infection and Response - 3 - Exam Style Questions with Answers

Created on January 12, 2023 By

paruppts12

GCSE_AQA_GEN_BIO_3_INFECTION_3

1 / 10

An aphid feeds by inserting its sharp mouthpiece into the stem of a plant.

After feeding, the mouthpiece of an aphid contains a high concentration of dissolved sugars.

Which part of the plant was the aphid feeding from?

Xylem

Palisade layer

Phloem

Stomata

2 / 10

Which plant was grown with no nitrate?

B

D

C

A

3 / 10

Which plant was grown with no magnesium?

A

D

C

B

4 / 10

Give examples of mechanical defence responses used by plants

Thorns and hairs to deter animals

Anti-bacterial chemical

Tough waxy cuticle

5 / 10

Give examples of chemical defence responses used by plants.

Poisons

Outside layer on stems

Leaves that droop

6 / 10

The spots on the leaves have evolved to mimic the eggs of butterflies. What category of adaptation does this feature fall into?

Mechanical

Physical

Chemical

7 / 10

Anphids are small insects that carry pathogens.

Figure 1 shows an aphid feeding from a plant stem. What is the process that transports dissolved sugars around a plant?

Respiration

Filtration

Translocation

Transpiration

8 / 10

Rose black spot is a disease of roses.

What type of microorganism causes rose black spot.

A protest

A bacterium

A fungus

A virus

9 / 10

How can we reduce the number of aphids?

None of the above

Biological pest control

Chemical pesticides

Both A and B

10 / 10

What are the symptoms of disease in plants?

Spotted leaves

Discolouration

All of the above

Decay

Your score is

The average score is 69%

0%