CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

GROWTH AND DEVELOPMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Maximal size in terms of wall thickening and protoplasmic modification are achieved by-
A
Cells of divisional phase
B
Cells of maturation phase
C
Cells of elongation phase
D
Cells of meristematic tissue
Explanation: 

Detailed explanation-1: -The correct answer is (C). Cells attaining their maximum size in terms of wall thickening and protoplasmic modification belong to the meristematic phase.

Detailed explanation-2: -Hence, the correct answer is ‘Maturation phase’

Detailed explanation-3: -Protoplasmic modification is shown by the cells undergoing maturation phase such as tracheid and vessels which are the components of xylem. They lack protoplasm at maturity and this is related to their main function of conduction.

Detailed explanation-4: -(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.

There is 1 question to complete.