4.2.3 - Importance Of Water & Inorganic Ions To Plants

Question 1

Describe The Importance Of Water & Inorganic Ions To Plants
(3 Points)

Answer 1

~ Need them so plants can perform different functions efficiently.

~ Absorbed through the root hairs on the root and travel up the xylem vessels.

~ Symptoms such as yellow leaves and stunted growth, will show when there is a deficiency in substances.

Question 2

Describe The Importance Of Water
(4 Points)

Answer 2

~ Required for photosynthesis.

~ Provides a transport medium for minerals.

~ Maintains turgidity in plant cells through pressure in cell vacuoles.

~ Regulates temperature to ensure enzymes can function at their optimum rate.

Question 3

Describe The Importance Of Magnesium Ions
(2 Points)

Answer 3

~ Important requirement for the production of chlorophyll.

~ Provides green colour, required for photosynthesis.

Question 4

Describe The Importance Of Nitrate Ions
(2 Points)

Answer 4

~ Required for the synthesis of DNA, proteins and chlorophyll.

~ Required for plant growth and production of fruits and seeds.

Question 5

Describe The Importance Of Calcium Ions
(2 Points)

Answer 5

~ Important for cell wall components.

~ Required for plant growth.