Plasticity

Q.

Provide an example of plant plasticity.

Q.

Heterophylly due to environment can be seen in

1. Larkspur

2. Cotton

3. Buttercup

4. Coriander

Q. Heterophyllous development due to the environment can be an example of

1. senescence
2. plasticity
3. dormancy
4. none of the above

Q. Which one of the following plants does not show plasticity?

Q. Which of the following plants show heterophylly?

1. Larkspur
2. Buttercup
3. All of the above
4. Coriander

Q. The ability of plant to follow different pathways and produce different structures in response to environment and phases of life is termed as:

1. Elasticity
2. Growth efficiency
3. Plasticity
4. Heterophylly

Q.

What is difference between plastic design and elastic design

Q. Plants that show developmental heterophylly and environmental heterophylly are ________ respectively

1. Larkspur and buttercup

2. Cotton and coriander

3. Coriander and beet

4. Butter cup and cotton

Q.

Question 08:

Plasticity in plant growth means that
(a) plant roots are extensible
(b) plant development is dependent on the environment
(c) stems can extend
(d) None of the above

Q. Assertion: The same plant can have different shapes of leaves.
Reason: Plants follow different pathways in response to the environment or phases of life to form different kinds of structures.

Select the correct option from below:

1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true but the reason is not the correct explanation of the assertion
3. The assertion is true but the reason is false
4. Both assertion and reason are false

Q.

What is a plasticity?

Q.

Does cotton show heterophylly?

Q. The ability of the plant to form different kinds of structures in response to environment or phases of life is called .

1. elasticity
2. plasticity
3. differentiation
4. redifferentiation

Q. Heterophylly shown by which of the following plants is the best example for plasticity?

1. China rose and sunflower

2. Coriander and sunflower

3. Cotton and china rose

4. Larkspur and Buttercup

Q. Plasticity of leaves is not found in

1. coriander
2. buttercup
3. rose
4. cotton

Q. Which of the given conditions is exhibited by the diagrams given below?

1. Developmental heterophylly in larkspur
2. Environmental heterophylly in buttercup
3. Heteroblastic development in coriander
4. Redifferentiation in cotton

Q. Choose the correct statements regarding heterophylly.

1. It is an example of plasticity
2. Heterophylly showing plants have different shape of leaves during juvenile phase and another shape upon maturation
3. It is an example of tonicity
4. It is shown by coriander and buttercup

Q. The ability of a plant to follow different pathways and produce different structures in response to environment is known as

1. heterophylly
2. plasticity
3. efficiency index
4. vernalisation

Q. Assertion :The difference in shapes of leaves produced in air and those produced in water in buttercup represent the heterophyllous development due to the environment. Reason: The phenomenon of heterophylly is an example of plasticity.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Plants follow different pathways in response to environment or phases of life to form different kind of structures. This ability is called

Q. Heterophyllous development due to the environment can be an example of

1. senescence
2. plasticity
3. dormancy
4. none of the above

Q.

A rubber band stretches and reverts back to its original position. Bubble gum stretches, but it would not return to its original position. Is there any difference between the two processes? Discuss it with respect to plant growth (hint elasticity -reversible & plasticity-irreversible).

Q. Which of the following plants show heterophylly?

1. Coriander
2. Larkspur
3. Buttercup
4. All of the above

Q.

Name any one feature to identify plants exhibiting plasticity.

Q. Heterophylly is an example of

1. Vernalisation
2. Photoperiodism
3. Plasticity
4. None of the above

Q. Ability of a plant to produce different kinds of structures is called __.

Q.

Due to adaptation mature leaves differ in their shape from juvenile phase is called as

1. Environmental heterophylly
2. Habitual heterophylly
3. Developmental heterophylly
4. None of the above

Q. The ability of a plant to follow different pathways and produce different structures in response to environment is known as

1. heterophylly
2. plasticity
3. efficiency index
4. vernalisation

Q. Plasticity in plant growth means that _______________.

1. stems can extend
2. none of the above.
3. plant roots are extensible
4. plant development is dependent on the environment

Q. Which of the following plant is not an example of heterophylly

1. Mango
2. Larkspur
3. Cotton
4. Coriander