HORTICULTURE

HORTICULTURE SCIENCE

PLANT BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are true of the apical meristem?I. cells at the edge start to differentiateII. rapid mitosis occursIII. both shoots and roots have a meristem
A
I and II only
B
I and III only
C
II and III only
D
I, II and III
Explanation: 

Detailed explanation-1: -The correct answer is Option 1. Apical meristem is present at the growing tips of stems and roots and increases the length of the stem and the root. The girth of the stem or root increases due to lateral meristem (cambium).

Detailed explanation-2: -Thus, the correct answer is ‘Growth occurs in plants due to division of cells of these tissues.

Detailed explanation-3: -In the shoot apical and root apical the embryo is divided by mitotic cell division. The cell of apical meristem and lateral meristem don’t show meiosis division. The mitosis division is also observed in the microspores and anther walls.

Detailed explanation-4: -Apical meristem is responsible for both primary and secondary growth.

There is 1 question to complete.