Question No:1

Sigmoid curve is typical for which components of plant body?

[A] Cells
[B] tissue
[C] Organs
[D] All



Question No:2

Exponential growth can be expressed as

[A] W₁ = W ₀ e ^rt
[B] W ₀ = W ₁ e ^rt
[C] W ₁ = W ₀ e ^{δ rt}
[D] None



Question No:3

In the expression of exponential growth ‘e’ stands for (Question number 50-52 with respect to equation in question number 49)

[A] exponential growth rate
[B] base of natural log
[C] relative growth rate
[D] change in size



Question No:4

In expression of exponential growth ‘r’ is referred to as

[A] growth rate
[B] efficiency index
[C] both
[D] relative growth rate



Question No:5

Final size i.e., W, depends principally on

[A] W ₀
[B] r
[C] t
[D] e



Question No:6

Quantitative comparisons can be made by

[A] absolute growth rate
[B] relative growth rate
[C] both
[D] none



Question No:7

Measurement and comparison of total growth per unit time is called

[A] absolute growth rate
[B] relative growth rate
[C] both
[D] none



Question No:8

The growth of the given system per unit time is expressed on a common basis or per unit initial parameter is known as

[A] absolute growth rate
[B] relative growth rate
[C] both
[D] none



Question No:9

Which of the following are not essential elements for growth?

[A] Water
[B] Oxygen
[C] Both
[D] None



Question No:10

Cell enlargement requires mainly

[A] oxygen
[B] water
[C] nutrients
[D] none



Question No:11

Extension of growth is supported by

[A] oxygen
[B] turgidity
[C] osmosis
[D] imbibitions



Question No:12

Plant growth and further development is intimately linked to

[A] oxygen requirement
[B] maintains temperature
[C] water status
[D] none



Question No:13

How does water help enzymatic activities needed for growth?

[A] Water maintains pH
[B] Water maintains temperature
[C] Water provides ions
[D] Water provides medium



Question No:14

What helps in releasing metabolic energy essential for growth activities?

[A] Oxygen
[B] Water
[C] Nutrients
[D] None



Question No:15

What are required for synthesis of protoplasm and act as source of energy?

[A] Oxygen
[B] Micronutrients
[C] Macronutrients
[D] Both (b) and (c)