Chapter 1
The Living World
1. Why are living organisms classified?
Ans:
2. Why are the classification systems changing every now and then?
Ans:
3. What different criteria would you choose to classify people that you meet often?
Ans:
4. What do we learn from identification of individuals and populations?
Ans:
5. Given below is the scientific name of Mango. Identify the correctly written name.
Mangifera Indica
Mangifera indica
Ans:
6. Define a taxon. Give some examples of taxa at different hierarchical levels.
Ans:
7. Can you identify the correct sequence of taxonomical categories?
(a) Species → Order→ Phylum → Kingdom
(b) Genus → Species→ Order→ Kingdom
(c) Species → Genus → Order → Phylum
Ans:
8. Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand, and bacteria on the other hand.
Ans:
9. Define and understand the following terms:
(i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus
Ans:
10. Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
Ans:
Type By Susmita Kakati
DABP006770
