Name the type of chemical substances that control the growth in plants.

Open in App

Solution

The chemical substances that control the growth in plants are called ‘plant hormones’, also known as Phytohormones.
Auxins, gibberellins and cytokinins are the plant hormones which promote growth of plants. Abscisic acid is a plant hormone which functions mainly as a growth inhibitor.

Suggest Corrections

Similar questions

Q. Name the type of chemical substances that control the growth in plants.

Question 14.01:

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to increase yield of sugarcane

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to promote lateral shoot growth

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to cause sprouting of potato tuber

Plant Growth Substances (PGS) have innumerable practical applications. Name the PGS you should use to inhibit seed germination

A chemical substance P is made and secreted by the meristematic tissue at the tip of the stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards a source of light. The same chemical substance P has an opposite effect on the root of a plant. It causes the root of a plant to bend away from the source of light in a process called R.

(a) What is the chemical substance P?

(b) State, whether P prefers to, remains in the sunlight side of a stem or in shade.

(d) What is the name of process (i) Q and (ii) R?

(e) What is the general name of chemical substances like P? Name another substance which belongs to this class of chemical substances.

Q. What is the general name of chemical substances which bring about control and coordination in plants?

Q. Certain chemical substances having profound effect on plant growth are called as .........

Join BYJU'S Learning Program

Explore more

Humayun

Standard VII History

Join BYJU'S Learning Program

Name the type of chemical substances that control the growth in plants.

The chemical substances that control the growth in plants are called ‘plant hormones’, also known as Phytohormones. Auxins, gibberellins and cytokinins are the plant hormones which promote growth of plants. Abscisic acid is a plant hormone which functions mainly as a growth inhibitor.

The chemical substances that control the growth in plants are called ‘plant hormones’, also known as Phytohormones.
Auxins, gibberellins and cytokinins are the plant hormones which promote growth of plants. Abscisic acid is a plant hormone which functions mainly as a growth inhibitor.