1.Examples of arithmetic growth is/are
a) Root elongation
b) Increase in girth
c) Both (a) and (b)
d) None of these
Explanation: Root elongation
2. Slow initial growth is called
a) Log phase
b) Lag phase
c) Exponential phase
d) None of these
Explanation: Slow initial growth is called Lag phase.
3. The rapidly increase in growth after showing initial period is called
a) Log phase
b) Leg phase
c) Both (a) and (b)
d) None of these
Explanation: The rapidly increase in growth after showing initial period is called Log phase
4. What is the speciality of the cells after mitotic cell division in geometric growth?
a) Thickened cell wall
b) Occurring of well organized growth
c) Retaining the ability to divide
d) None of these
Explanation: Retaining the ability to divide
5. Stationary phase occurs due to
a) Increase in distance
b) Limited nutrient supply
c) Thickening of cell wall
d) None of these
Explanation: Stationary phase occurs due to limited nutrient supply.
6. Geometrical growth graphically shows
a) Linear curve
b) Sigmoid curve
c) Both one by one
d) Straight line
Explanation: Geometrical growth graphically shows sigmoid curve.
7.Living organism growing in a natural environment can be found graphically by the presence
of
a)Sigmoid curve
b) Linear curve
c) Straight line
d) All of these
Explanation: Sigmoid curve
8.Sigmoid curve is typical for which components of plant body?
a) Cells
b) Tissue
c) Organs
d) All of these
Explanation: All of these
9. Exponential growth can be expressed as
a) \[W_{1}=W_{0}e^{rt}\]
b) \[W_{0}=W_{1}e^{rt}\]
c) \[W_{1}=W_{0}e^{Art}\]
d) None of these
Explanation: \[W_{1}=W_{0}e^{rt}\]
10. In the expression of exponential growth ‘e’ stands for (Exponential growth = \[W_{1}=W_{0}e^{rt}\] )
a) Exponential growth rate
b) Base of natural log
c) Relative growth rate
d) Change in size
Explanation: Base of natural log