2.2.3 Minerals Flashcards Preview

SHHS - Science - B2.2 Ecosystem Processes - Year 8 > 2.2.3 Minerals > Flashcards

Flashcards in 2.2.3 Minerals Deck (19)
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1
Q

Name the 4 important minerals needed by plants.

A

Nitrates (nitrogen)
Phosphates (phosphorous)
Potassium
Magnesium

2
Q

Why do plants need nitrates (nitrogen)?

A

for healthy growth

3
Q

Why do plants need phosphates (phosphorous)?

A

for healthy roots

4
Q

Why do plants need potassium?

A

for healthy leaves and flowers

5
Q

Why do plants need magnesium?

A

To make chlorophyll

6
Q

Where do plants get all of the minerals that they need?

A

The soil

7
Q

How are minerals transported around plants?

A

In the xylem tubes along with water.

8
Q

If a plant does not have all of the required minerals we say it has a __________ _____________

A

mineral deficiency

9
Q

What are the symptoms of nitrate (nitrogen) deficiency in plants?

A

Poor growth

Yellow leaves

10
Q

What are the symptoms of magnesium deficiency in a plant?

A

yellow leaves

11
Q

What are the symptoms of phosphate deficiency in a plant?

A

poor root growth

younger leaves look purple

12
Q

What are the symptoms of potassium deficiency in a plant?

A

yellow leaves with dead patches

13
Q

Why do plant leaves turn yellow if it has magnesium deficiency?

A

Because it cannot produce chlorophyll

14
Q

Nitrates are needed to make

A

amino acids

15
Q

Amino acids join together to make

A

proteins

16
Q

Proteins are needed for…

A

growth and repair of plant cells

17
Q

What is fertiliser?

A

A chemical added to soil to replace missing minerals

18
Q

Why do farmers need to use fertiliser?

A

Because minerals are removed from the soil when farmers harvest crops.

19
Q

NPK is a common fertiliser. What does it stand for?

A

Nitrogen (N), Phosphorous (P), Potassium (K)