The ability of plants to respond to the environment to form different structures by following different pathways is called plasticity. It refers to the ability of some organisms to develop into several possible phenotypes depending on the environment.

Plasticity is defined as the phenomenon in which the plants follow different pathways in response to the environment or phases of life to form different kinds of structures. It is seen in some plants like heterophylly in cotton and coriander larkspur. The environmental plasticity is best seen in emergent hydrophytes, e.g. buttercup. Different shapes of leaves appear in air and water in buttercup.

Seed germination inside the fruit while attached to the plant

Seed germination with subterranean cotyledons

Seed germination with epiterranean cotyledons

Fruit development without pollination

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What is plasticity?

Important Questions on Plant Growth and Mineral Nutrition

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Typical growth curve in plants is:

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

The process of growth is maximum during

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

In the following diagrammatic representation showing stages of embryonic development, identify the type of growth phase labelled as $M$ and $N$ :

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

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

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Identify the exponential growth expression among the following.

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Which among the following is not dedifferentiated?

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Within the exponential phase of growth, if the initial surface area and the growth rate of a leaf are

10 {mm}^{2}

and

0.015 {mm}^{2} / hour

respectively, the area of the leaf after

4

days would range from

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Name for the given phenomena events that occur during the growth of the plant

A)

Production of tissues in woody dicotyledonous plants to perform specific function

B)

Heterophylly at different stages of growth

C)

Formation of meristems from parenchyma cells

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Which one of the following plants does not show plasticity?

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

When a plant species is grown in shade tends to produce thinner leaves with more surface area, and when grown under abundant sunlight starts producing thicker leaves with reduced surface area. This phenomenon is an example of

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Define plasticity.

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Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Plasticity in plant growth means that

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Development in Plants

Different kinds of structures develop in plants in different phases of growth or in response to environment as shown in figure below. This ability is called _____.

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