Why is it difficult to assign common names to all living organisms ?

Name any two printed means of recording descriptions of a taxa, besides key.

What does ICZN stand for?

Which is the largest botanical garden in the world? Name a few well-known botanical gardens in India.

How is key helpful in identification of living organisms?

How are living organisms divided into different taxa? What is the name given to this process?

What do we learn from identification of individuals and populations?

Brinjal and potato belong to the same genus Solanum, but two different species. What defines them as separate species?

In which fields taxonomical aids are helpful? Why taxonomic aids are used in these studies? Which different taxonomical aids are used by the biologists?

Amoeba is a living matter and a sand particle is non-living matter.Explain.

Why reproduction is necessary? is it essential for survival? If a living organism does not reproduce, in which category it will belong, living or non-living? How is sexual reproduction different from asexual reproduction?

Ria went to see the zoo in her town with her parents and saw many wild animals, their food habits, behavior, etc. She saw that there was a wide variety of animal life in the zoo. But she was amazed to see that the board placed in front of lion cage and monkey place which tells that both were mammals. However, she thought that they were totally different in appearance.
(i) Why lions and monkeys are considered to be mammals?
(ii) Explain the scientific reason to maintain a zoological park.
(iii) Is there any similar place to see a variety of plants? If any, then name some.
(iv) What values are shown by Ria?

What is meant by living ? Give any four defining features of life forms.