The properties of tissues are:

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.

The identification of an organism is possible through....

The structure and properties of non-living components can be understood by which of the following?

Which of the following statements are correct regarding the characteristics of living organisms?
$(a)$ Reproduction is a synonymous feature of growth.
$(b)$ Metabolism is a defining feature of all living organisms.
$(c)$ Cellular organization is the defining feature of life forms.
$(d)$ Consciousness is not a defining feature of living organisms.

$1 \text{ Å}$ is equal to .....