Some of the properties of tissues are not the constituents of its cells. Give three exmples to support the statement.

The speed of sound does not depend upon its frequency. Give an example in support of this statement.

The yield of crops in India is low in comparison to the International level'. Give three arguments to support this statement.

Properties of tissues are not present in the constituent cells but arise as a result of interactions among the constituent cells. (True/False)

Select the correct statement from the following given statements. (I) Properties of tissues are present in the constituent cell and arise as a result of interaction among them. (II) Properties of cellular organelles are present in the molecular constituents of the organelles and arise as a result of interactions among them. (III) Living organisms are system capable of responding to external stimuli.

Reproduction is one of the most important characteristics of living beings. Give three reasons in support of the statement.

" the properties of the product are different from those of the constituents ", state whether whether this statement best describes an element ,a compound or a mixture .

Properties of a compound are average of the properties of its constituent atoms.