Q29 of 72 Page 204

The feature that is not a characteristic of protochordate?

Jointed appendages are the characteristic feature of the members of Phylum Arthropoda. Arthro =jointed; poda=legs. All the members of Phylum Arthropoda have jointed appendages.

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27

Organisms without nucleus and cell organelles belong to:

(i) Fungi


(ii) Protista


(iii) Cyanobacteria


(iv) Archaebacteria

 28

Which of the following is not a criterion for classification of living organisms?

 30

Real organs are absent in:

 31

Hard calcium carbonate structures are used as a skeleton by: