SSC Worksheet for chapter-6 Diversity in Living Organisms class 9

Worksheet For class 9

Questions

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1. In Platyhelminthes, the excretory organs are
   1. nephridia
   2. malpighian
   3. flame cells (solenocytes)
   4. green glands
2. Which one is mismatched?
   1. Flagella ………..Euglena
   2. Pseudopodia…….Amoeba
   3. Cilla……Paramecium
   4. Flagella…..Plasmodium
3. Contractile vacuole is present in
   1. Amoeba
   2. Euglena
   3. Paramecium
   4. All of the above
4. Cnidaria is characterized by
   1. nematoblasts
   2. coelenteron
   3. tissue level of organization
   4. all of the above
5. Mention the name of the phylum against the following characteristics:
   1. No single mouth but numerous pores as water inlets.
   2. Jointed appendages.
   3. Unsegmented body with a protective calcareous shell.
6. Name the phylum of each of the following invertebrates.
   1. Leech
   2. Hydra
   3. Tapeworm
   4. Scorpion
7. How do annelids differ from arthropods?
8. Why are scientific names of living beings considered better than their common names?
9. Give the difference between vertebrates and invertebrates.
10. Write a note on Echinodermata.