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

Name the 4 important minerals needed by plants.

Nitrates (nitrogen)
Phosphates (phosphorous)
Potassium
Magnesium

2

Why do plants need nitrates (nitrogen)?

for healthy growth

3

Why do plants need phosphates (phosphorous)?

for healthy roots

4

Why do plants need potassium?

for healthy leaves and flowers

5

Why do plants need magnesium?

To make chlorophyll

6

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

The soil

7

How are minerals transported around plants?

In the xylem tubes along with water.

8

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

mineral deficiency

9

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

Poor growth
Yellow leaves

10

What are the symptoms of magnesium deficiency in a plant?

yellow leaves

11

What are the symptoms of phosphate deficiency in a plant?

poor root growth
younger leaves look purple

12

What are the symptoms of potassium deficiency in a plant?

yellow leaves with dead patches

13

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

Because it cannot produce chlorophyll

14

Nitrates are needed to make

amino acids

15

Amino acids join together to make

proteins

16

Proteins are needed for...

growth and repair of plant cells

17

What is fertiliser?

A chemical added to soil to replace missing minerals

18

Why do farmers need to use fertiliser?

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

19

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

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