Minerals For Plant Growth:
The three main nutrients are nitrogen (N), phosphorus (P) and
potassium (K). Together they make up the trio known as NPK. Other important
nutrients are calcium, magnesium and sulfur.
Which of the following is/are required to grow a healthy plant?
a) sunlight
b) air
c) minerals
d) all of these
Which of the following is required to prepare proteins by plants?
a) nitrates
b) water
c) carbon dioxide
d) oxygen
Which of the following is required to make chlorophyll by plants?
a) nitrates
b) magnesium
c) iron
d) oxygen
Explanation:Magnesium
is the central core of the chlorophyll molecule in plant tissue. Thus, if Mg is
deficient, the shortage of chlorophyll results in poor and stunted plant
growth. Magnesium also helps to activate specific enzyme systems.
Compost is a
type of fertilizer that is made from………
a) cow dung
b) rotting plants
c) nitrates
d) phosphates
