Science revision

Fertilisers contain mineral such as …?
Nitrates,Phosphates,Potassium,Magnesium compounds
1 of 19
Poor plant growth may be caused by …?
A lack of one or more minerals in the soil
2 of 19
Dissolved minerals are absorbed by …?
The roots from the soil
3 of 19
Why do plants require nitrates?
For protein, which are needed for cell growth
4 of 19
Why do plants require phosphates?
For respiration and growth
5 of 19
Why do plants require potassium compounds?
For respiration and photosynthesis
6 of 19
Why do plants require magnesium compounds?
For photosynthesis
7 of 19
What would a lack of nitrate cause?
Poor growth and yellow leaves
8 of 19
What would a lack of phosphate cause?
Poor root growth and discoloured leaves
9 of 19
What would a lack of potassium cause?
Poor flower and fruit growth, and discoloured leaves
10 of 19
What would a lack of magnesium cause?
Yellow leaves
11 of 19
Where are minerals usually present?
In soil, in quite low concentration
12 of 19
Why is nitrogen required?
To make amino acids and proteins
13 of 19
Why is phosphorus required?
To make DNA and cell membranes
14 of 19
Why is potassium required?
To help enzymes (in photosynthesis and respiration)
15 of 19
Why is magnesium required?
To make chlorophyll
16 of 19
How are minerals taken up into root hair cells?
By active transport
17 of 19
Describe active transport
Active transport can move substances from low concentration to high concentration
18 of 19
Active transport uses energy from …?
Respiration
19 of 19

Other cards in this set

Card 2

Front

A lack of one or more minerals in the soil

Back

Poor plant growth may be caused by …?

Card 3

Front

The roots from the soil

Back

Preview of the back of card 3

Card 4

Front

For protein, which are needed for cell growth

Back

Preview of the back of card 4

Card 5

Front

For respiration and growth

Back

Preview of the back of card 5
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