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

Worksheet For class 9

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

CLASS-9

BOARD: CBSE

BIOLOGY Worksheet - 6

TOPIC: Diversity in Living Organisms

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1. Platyhelminthes are
   1. coelomates
   2. pseudocoelomates
   3. haemocoelomates
   4. acoelomates
2. The common name of Ascaris is
   1. shipworm
   2. pinworm
   3. tapeworm
   4. round worm
3. Metamerism is characteristic features of
   1. Chordata
   2. Annelida
   3. Mollusca
   4. Nematoda
4. The excretory organs of Annelida are
   1. nephridia
   2. stiachocytes
   3. archeocytes
   4. none of the above
5. Mention the name of the phylum against the following characteristics:
   1. Locomotion by tube feet.
   2. Long, cylindrical and unsegmented body.
   3. Small, flat unsegmented worms.
6. Name the phylum of each of the following invertebrates.
   1. Sea cucumber
   2. Sponge
   3. Roundworm
   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 Protochordata.