9-1 Plant diseases

Identify the type of pathogen that causes rose black spot

• Virus

• Protist

• Bacteria

• Fungus

Identify the insect in the image that can feed on and damage plants

Tobacco mosaic virus infects and destroys which part of the plant cell?

• Ribosomes

• Chloroplasts

• Nucleus

• Mitochondria

What plant disease is characterised by an infestation that discolours the leaves but also rotted the tubers making them inedible.

Which mineral ions is needed in plants to produce chlorophyll?

• Nitrate

• Potassium

• Magnesium

• Sodium

What is the general term for diseases caused by a lack of essential vitamins or mineral ions?

Identify the mineral ions needed by plants to make proteins.

• Iron

• Nitrate

• Potassium

• Hydrogen carbonate

Identify the type of pathogen responsible for rice blast.

• Bacteria

• Virus

• Fungus

• Protist

What substance are leaves covered with that can stop their cells from becoming infected?

What term describes the ability of some plants to look like something in the environment around them?