Absorption and Translocation of Elements

IMPORTANT

Absorption and Translocation of Elements: Overview

This topic covers concepts, such as, Soil as Reservoir of Essential Elements, Absorption of Minerals by simple diffusion, Protein-lecithin Theory & Factors Affecting Mineral Absorption etc.

Important Questions on Absorption and Translocation of Elements

HARD
IMPORTANT

According to carbonic acid exchange theory of mineral salt absorption by roots, which of the following is incorrect?

EASY
IMPORTANT

All elements are remobilized except

EASY
IMPORTANT

The condition for pure water having zero water potential is

HARD
IMPORTANT

The function of soil is to

HARD
IMPORTANT

The mineral available to plant is mainly obtained from

EASY
IMPORTANT

A plant cell absorbs salts in:

HARD
IMPORTANT

Mass flow hypothesis explains

EASY
IMPORTANT

Which of the following scientist proposed protein-lecithin theory?

EASY
IMPORTANT

Initial phase of ion uptake

EASY
IMPORTANT

Ions are absorbed from the soil by

MEDIUM
IMPORTANT

The most acceptable mechanism of phloem translocation is

HARD
IMPORTANT

Which statement is wrong

HARD
IMPORTANT

Which one of the following is correctly matched

MEDIUM
IMPORTANT

Minerals are absorbed by a plant from the soil by a process:

EASY
IMPORTANT

The plant ash is an indication of

MEDIUM
IMPORTANT

If the amount of an ion absorbed by a root hair cell at 0 °C is 5 gm and at 20°C is 20 gm. The amount of this ion absorbed actively should be

EASY
IMPORTANT

Active uptake of minerals by roots mainly depends on the:

EASY
IMPORTANT

Inorganic nutrients are present in the soil in the form of

EASY
IMPORTANT

Which of the following is supplied when nutrients are deficient in the soil?