Question

Some statements are given regarding the active transport in plants. Choose the incorrect statement
Options:
O Active transport need energy to pump molecules against the concentration gradient
0 It is carried out with the help of membrane protein
о O
Due to more concentration of charged particles in soil then the concentration in roots, active absorption of mineral takes place
O All of the above​

Answer 1

Answer:

all of the above

Explanation:

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Answer 2

The incorrect  statement is option (c) Due to more concentration of charged particles in soil than the concentration in roots, active absorption of mineral takes place

Explanation:

• A mineral can be absorbed in two ways, either active or passive.
• Passive mineral absorption occurs both in the direction and against a concentration gradient. Minerals are passively absorbed through mass flow, which is a mechanism for passive mineral absorption.
• Mineral ions are swept into the roots by transpiration pull and are carried into plant parts by water currents.
• Due to the fact that soil solution is made of water, mineral absorption depends on water absorption. There are also active methods of mineral absorption that require metabolic energy expenditure irrespective of the tonicity of the soil solution.

Explanations to incorrect options:

(a) Active transport needs the energy to pump molecules against the concentration gradient- This is a true statement

(b) It (active transport) is carried out with the help of membrane protein- This is a true statement

(d) All of the above​- incorrect option is (c)

Hence, the incorrect  statement is option (c) Due to more concentration of charged particles in soil than the concentration in roots, active absorption of mineral takes place

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