Page No 82:
Question 1:
Which do you think is a more basic characteristic for classifying organisms?
(a) The place where they live.
(b) The kind of cells they are made of. Why?
Page No 82:
Question 2:
What is the primary characteristic on which the first division of organisms is made?
Page No 83:
Question 1:
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Page No 85:
Question 1:
What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?
Page No 85:
Question 2:
In which kingdom will you place an organism which is single-celled, eukaryotic and photosynthetic?
Page No 85:
Question 3:
In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?
Page No 94:
Question 4:
What are the differences between animals belonging to the Aves group and those in the mammalia group?
Page No 97:
Question 2:
How would you choose between two characteristics to be used for developing a hierarchy in classification?
Page No 97:
Question 4:
What are the major divisions in the Plantae? What is the basis for these divisions?
Page No 97:
Question 5:
How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?
