Which of the following two are known as the twin characteristics of growth?
$(i)$ Irreversible increase in mass $(ii)$ Uncontrolled $\&$ Repeated Cell Division $(iii)$ Increase in number of individuals $(iv)$ Reproduction

Which of the following $statement(s)$ is/are correct?
$(i)$ All living organisms have the ability to respond to environmental stimuli which could be physical,chemical,or biological.
$(ii)$ Plants respond to external factors like light,water,temperature,other organisms,pollutants,etc.
$(iii)$ Photoperiod affects the process of reproduction.
$(iv)$ Human being is the only organism who has self-consciousness.

Which of the following is $NOT$ true for the scientific method of problem-solving?

Some of the properties of tissues are not present in the constituent cells. Give three examples to three examples to support this statement.

Which of the following is not a unique characteristic of living organisms?

The method of naming organisms according to specific rules is called ....