Home
Class 9
BIOLOGY
The chemical substance mainly responsibl...

The chemical substance mainly responsible for tooth disorders is

A

calcium

B

chloride

C

flourides

D

iodides

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • HYGIENE-[A KEY TO HEALTHY LIFE]

    ICSE|Exercise Review Questions (B. VERY SHORT ANSWER TYPE)|8 Videos

  • HYGIENE-[A KEY TO HEALTHY LIFE]

    ICSE|Exercise Review Questions (C. LONG ANSWER TYPE)|6 Videos

  • HEALTH ORGANISATIONS

    ICSE|Exercise Review Questions (Long Answer Type)|1 Videos

  • ICSE EXAMINATION PAPER, 2020

    ICSE|Exercise Section II |65 Videos

Similar Questions

Explore conceptually related problems

GEAC is mainly responsible for

Ethylene is mainly responsible for

Vasporessin in mainly responsible for

What chemical substances are responsible for the depletion of ozone layer ?

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the 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. What is the general name of the chemical substance like P ? Name another substance which belongs to this class of chemical substances.

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the 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. What is the chemical substance P ?

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the 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. What is the effect of substance P on the rate of growth of (a) a root and (b) a stem?

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the 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. State whether P prefers to remain in the sunlit side of a stem or in shade.

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the 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. What is the name of the process (a) Q and (b) R ?

Rough E.R. mainly responsible for :-