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Question
The internal factor of a plant is
The internal factor of a plant is
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Solution
The correct option is B Growth regulator
The correct answer is option B.
Explanation of the correct option:
- Growth regulators are one of the most important internal factors of the plant. They are known as the chemical coordinators of the plants as they help in performing activities in different stages and parts of the plant.
- These factors are produced inside the body , manufactured by the living protoplasm as simple molecules and are called as phytohormones or plant hormones.
Explanation of the incorrect options:
Option A
Light is the external factor which help the plants in the process of photosynthesis and act as a stimulus.
Option C
Moisture or water is the external factor required by the plants to prepare its food, transportation and also in transpiration.
Option D
Oxygen is the external factor required by the plants for respiration.
Final answer: The internal factor of a plant is growth regulator.
Growth regulator
The correct answer is option B.
Explanation of the correct option:
- Growth regulators are one of the most important internal factors of the plant. They are known as the chemical coordinators of the plants as they help in performing activities in different stages and parts of the plant.
- These factors are produced inside the body , manufactured by the living protoplasm as simple molecules and are called as phytohormones or plant hormones.
Explanation of the incorrect options:
Option A
Light is the external factor which help the plants in the process of photosynthesis and act as a stimulus.
Option C
Moisture or water is the external factor required by the plants to prepare its food, transportation and also in transpiration.
Option D
Oxygen is the external factor required by the plants for respiration.
Final answer: The internal factor of a plant is growth regulator.
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