Which of the following statements is INCORRECT?

Question

Which of the following statements is INCORRECT? (A) In the dicot root, the vascular cambium is completely secondary in origin. (B) Wood is the common name used for secondary xylem. (C) A mature sieve tube element lacks peripheral cytoplasm, a large vacuole and a prominent nucleus. (D) Lenticels are the aerating pores present in the bark of plants and are associated with gaseous exchange.

Tardigrade Admin · Accepted Answer

A mature sieve element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus. The functions of sieve tubes are controlled by the nucleus of companion cells.

Q. Which of the following statements is INCORRECT?

In the dicot root, the vascular cambium is completely secondary in origin.

Wood is the common name used for secondary xylem.

A mature sieve tube element lacks peripheral cytoplasm, a large vacuole and a prominent nucleus.

Lenticels are the aerating pores present in the bark of plants and are associated with gaseous exchange.

A mature sieve element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus. The functions of sieve tubes are controlled by the nucleus of companion cells.