SSC Worksheet for chapter-7 Diversity in Living Organisms class 9

Worksheet For class 9

Questions

For other SSC Worksheet for class 9 Science check out main page of Physics Wallah.

1. Which of the following are first true terrestrial animals:
   1. Amphibia & Repitilia
   2. Reptilia
   3. Aves
   4. Mammals
2. Birds are:
   1. Endothermal
   2. Warm blooded
   3. Bothe a & b
   4. Ectothermal
3. Whale is kept in class:
   1. Pisces
   2. Mammalia
   3. Aves
   4. Amphibia
4. The heart is completely divided into 4 chambers in:
   1. Reptiles
   2. Mammals
   3. Aves
   4. Both b & c
5. Mention the class of vertebrates against each.
   1. Crocodile
   2. Penguin
   3. Toad
6. What are the group names of the following categories of animals?
   1. Animals with a backbone
   2. Animals with a hairy skin
   3. Animals with three pairs of legs
   4. Animals with feathers
7. What are the differences between amphibians and reptiles?
8. What are the differences between animals belonging to the Aves group and those in the Mammalian group?
9. What are the advantages of classifying organisms?
10. Explain how animals in Vertebrata are classified into further subgroups.