Question No:1

Which of the following is not the characteristics of cell wall of meristematic cells?

[A] Primary in nature
[B] Cellulosic
[C] Abundant plasmodesmata
[D] None



Question No:2

Where can we find cells representing phases of elongation?

[A] Root Apex
[B] Shoot Apex
[C] Cells proximal to both
[D] All



Question No:3

Which of the following is not the characteristic of the cells in elongation phase?

[A] Cell enlargement
[B] New cell wall deposition
[C] Decrease in volume
[D] Both (a) and (b)



Question No:4

Cells proximal to phase of elongation show _____.

[A] meristematic phase
[B] maturative phase
[C] elongation phase
[D] all



Question No:5

Cells of maturative phase show

[A] thickening of walls
[B] protoplasmic modification
[C] both
[D] none



Question No:6

Increased growth per unit time is called

[A] growth rate
[B] growth speed
[C] both
[D] none



Question No:7

The growth rate shows an increase that can be

[A] mathematical
[B] arithmetic
[C] geometrical
[D] both (b) and (c)



Question No:8

In arithmetic growth, other than daughter cells, what happens to the other cells?

[A] They undergo maturation
[B] They undergo differentiation
[C] Both (a) and (b)
[D] They undergo continuous cell division



Question No:9

Examples of arithmetic growth is/are

[A] root elongation
[B] increase in girth
[C] both
[D] none



Question No:10

Slow initial growth is called

[A] log phase
[B] lag phase
[C] exponential phase
[D] none



Question No:11

Rapidly increase in growth after show initial period is called

[A] log phase
[B] leg phase
[C] both
[D] none



Question No:12

What is the speciality of the cells after mitotic cell division in geometric growth?

[A] Thickened cell wall
[B] Occurring of well organised growth
[C] Retaining the ability to divide
[D] None



Question No:13

Stationary phase occurs due to

[A] Increase in distance
[B] Limited nutrient supply
[C] Thickening of cell wall
[D] None



Question No:14

Geometrical growth graphically shows

[A] linear curve
[B] sigmoid curve
[C] both one by one
[D] straight line



Question No:15

Living organism growing in a natural environment can be found graphically by presence of

[A] sigmoid curve
[B] linear curve
[C] straight line
[D] all