Diversity in living organisms Worksheet-7

Diversity in living organisms Worksheet-7


  1. Which of the following organism is a fish?

A. Jellyfish                                     B. Starfish

C. Torpedo                                     D. Sea anemone


  1. Coelenterates are:

A. Diploblastic, radially symmetric

B. Diploblastic, asymmetric

C. Diploblastic, asymmteric

D. Triploblastic, radially symmetric


  1. Which of the following organism is dorsoventrally flattened?

A. Roundworm                             B. Earthworm

C. Tapeworm                                D. Pinworm


  1. In mollusca, shell is made up of:

A. Protochordata                          B. Echinodermata

C. Mollusca                                    D. Pisces


  1. Which type of cavity is present in phylum Mollusca?

A. Coelomic                                   B. Pseudocoelomic

C. Haemocoelomic                      D. Acoelomic


  1. Which phylum includes the disease causing parasites?

A. Protochordata                          B. Arhthropoda

C. Annelid                                      D. Nematode


  1. Which of the following organism is sedentary?

A. Sea anemone                            B. Hydra

C. Jelly fish                                    D. Planaria


  1. Post anal tail is a characteristic feature of:

A. Non-chordata                           B. Protochordata

C. Chordata                                   D. Urochordata


  1. Which of the following group of organisms is/are cold blooded?

A. Pisces            B. Amphibia     C. Reptilian       D. All of these


  1. Which of the following organism is not cold blooded?

A. shark                                          B. Crocodile

C. Platypus                                     D. Salamander


Answer Key:

  1. C
  2. A
  3. C
  4. B
  5. C
  6. D
  7. A
  8. C
  9. D
  10. C