Why is that is certain plants deficiency symptoms appear first in younger parts of the plant while in other they do so in mature organs?

Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?

Name one deficiency symptoms in plants.

Read the following statements regarding the mineral nutrition in plants (1) For the elements that are actively mobilized within the plants, the deficiency symptoms tend to appear first in the young tissues. (2) Manganese competes with iron and magnesium for uptake and with magnesium for binding with enzymes. (3) Manganese inhibits calcium traslocation in shoot apex. (4) Rhodospirillum is aerobic free-living nitrogen fixing microbe. Which of these are correct

Roots developed from parts of the plant other than radicle are called

Roots developed from parts of the plant other than radicle are called

Assertion. Calcium deficiency symptoms first appear in the apical region. Reason. Calcium is highly mobile in plants

Deficiency symptoms of an element tend to appear first in young leaves. It indicates that the element is relatively immobile. Which one of the following elemental deficiency would show such symptoms?

Which part of the plant is best suited for making virus-free plants and why?

Food manufactured in leaves is passed out to other parts of the plant through

Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.