Question

Select from the following which one is moved by active transport
(1) $N{a}^{+}$ amino acid, in proximal convoluted tubules.
(2) Absorption of most minerals by epidermal cells of root.
(3) $N{a}^{+}{K}^{+}$ pump.
(4) Loading of sucrose from companion cell to sieve tube cells.

• A. All except $4$
• B. All except $3$
• C. All except $1$
• D. All of these

Answer 1

Answer: (D)

Correct answer is (d) All of these