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

Worksheet For class 9

Find ICSE Worksheet for chapter-6 Diversity in Living Organisms class 9

CLASS-9

BOARD: ICSE

BIOLOGY Worksheet - 6

TOPIC: Diversity in Living Organisms

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1. Mesoglea is characteristic of
   1. Platyhelminthes
   2. Aschelminthes
   3. Cnidaria
   4. Mollusca
2. True jelly fish (e.g. Aurelia) belongs to class
   1. Hydrozoa
   2. Anthozoa
   3. Scyphozoa
   4. Bothe (b) and (c)
3. Polymorphism is exhibited by
   1. Hydra
   2. Physalia
   3. Octopus
   4. Crab
4. Metamerism is characteristic feature of
   1. Chordata
   2. Annelida
   3. Mollusca
   4. Nematoda
5. Mention the name of the phylum against the following characteristics:
   1. No single mouth but numerous pores as water inlets.
   2. Locomotion by tube feet.
   3. Long, cylindrical and unsegmented body.
6. Name the phylum of each of the following invertebrates.
   1. Slug
   2. Centipede
   3. Butterfly
   4. Scorpion
7. How do annelids differ from arthropods?
8. Why are scientific names of living beings considered better than their common names?
9. What is moulting?
10. Give the difference between vertebrates and invertebrates.