Absolute and Relative Growth

Q. The increase in growth of a system with respect to an initial parameter during a constant period of time is

1. Absolute growth rate

2. Relative growth rate

3. Geometric growth rate

4. Arithmetic growth rate

Q.

A primary root grows from 5 cm to 19 cm in a week. The absolute growth rate is ________ and the relative growth rate is _______ respectively, over a period of one week.

1. 2/day and 2

2. 2/day and 2.8

3. 28/day and 28

4. 28/day and 4

Q. Total growth per unit time is called __ growth rate.

Q. Ability of a plant to produce new plant material is measured as

1. absolute growth rate
2. efficiency index
3. arithmetic growth rate
4. geometric growth rate

Q. Absolute plant growth rate is best described as:

1. It defines only the height attained by a plant
2. How many fruits are produced per tree
3. Measurement of growth increase per unit time
4. Time taken to double the cells

Q. Four cells in a melon fruit divides to give rise to 2000 cells in 1 hour. And one cell in a cherry fruit divided and there were 500 cells after 1 hour. Which of the following statements is true?

1. Melon has a higher relative growth rate than cherry
2. Cherry has a higher relative growth rate than melon
3. Growth rate cannot be compared as they are different fruits
4. Both melon and cherry have the same relative growth rate

Q. In the following diagram, which leaf show more absolute growth?

1. A
2. B
3. Absolute growth is equal
4. Absolute growth is absent

Q. A Leaf of $20c{m}^2$ grows $5c{m}^2$ per hour and B Leaf of $25c{m}^2$ grows $5c{m}^2$ per hour The relative growth rate of leaf A and B respectively is

1. 20% and 25%
2. 50% and 100%
3. 25% and 50%
4. 25% and 20%

Q.

Question 15:

A primary root grows from 5 cm to 19 cm in a week. Calculate the growth rate and relative growth rate over the period.

Q. Ability of a plant to produce new plant material is measured as

1. arithmetic growth rate
2. absolute growth rate
3. efficiency index
4. geometric growth rate