Select Question Set:
Q. No.Increase in the girth of plant is known as/done by
1. Primary growth
2. Apical meristem
3. intercalary meristem
4. Secondary growth
Subtopic: Growth |
75%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which parameter is used to measure the growth in flat organs like leaves?
1. Increase in dry weight
2. Increase in cell size
3. Increase in surface area
4. Increase in length
1. Increase in dry weight
2. Increase in cell size
3. Increase in surface area
4. Increase in length
Subtopic: Growth |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following is difficult to measure directly?
1. Increase in protoplasm content
2. Increase in surface area
3. Increase in dry weight
4. Increase in volume
1. Increase in protoplasm content
2. Increase in surface area
3. Increase in dry weight
4. Increase in volume
Subtopic: Growth |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Deposition of new materials inside the cell wall of cells starts in
1. Meristematic phase
2. Reproductive phase
3. Maturation phase
4. Elongation phase
1. Meristematic phase
2. Reproductive phase
3. Maturation phase
4. Elongation phase
50%
Please attempt this question first.
Hints
Which phase of a sigmoid curve explains the initial phase of growth when growth rate is very slow?
1. Log phase
2. Lag phase
3. stationary phase
4. Maturation phase
1. Log phase
2. Lag phase
3. stationary phase
4. Maturation phase
76%
Please attempt this question first.
Hints
__________ curve is obtained for cells in culture.
1. J-shaped
2. Linear
3. V-shaped
4. S-shaped
1. J-shaped
2. Linear
3. V-shaped
4. S-shaped
70%
Please attempt this question first.
Hints
A Leaf of 20 cm2 grows 5 cm2 per hour and B Leaf of 25 cm2 grows 5 cm2 per hour
The relative growth rate of leaf A and B respectively is
1. 25% and 20%
2. 20% and 25%
3. 50% and 100%
4. 25% and 50%
The relative growth rate of leaf A and B respectively is
1. 25% and 20%
2. 20% and 25%
3. 50% and 100%
4. 25% and 50%
65%
Please attempt this question first.
Hints
What happens to the growth of roots during water logging conditions?
1. Growth is accelerated
2. Growth is inhibited
3. Growth remains constant
4. First growth is accelerated and then stops
1. Growth is accelerated
2. Growth is inhibited
3. Growth remains constant
4. First growth is accelerated and then stops
Please attempt this question first.
Hints
Which of the following is not a function of water in plants?
1. It is responsible for cell elongation
2. It maintains the turgidity of cells
3. It acts as a source of energy
4. It provides medium for enzymatic activities
1. It is responsible for cell elongation
2. It maintains the turgidity of cells
3. It acts as a source of energy
4. It provides medium for enzymatic activities
67%
Please attempt this question first.
Hints
Which abiotic factor is not essential for early growth of the plant but growth is sustained only in its presence?
1. Water
2. Oxygen
1. Water
2. Oxygen
3. Nutrients
4. Light
4. Light
53%
Please attempt this question first.
Hints
Select Question Set:
© 2024 GoodEd Technologies Pvt. Ltd.