Q4 of 57 Page 48

Which one is a true fish?

Dogfish is a true fish as it has all the characters which a fish has like streamlined body, cartilaginous endoskeleton, gill slits, fins, etc.

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2

Which among the following has specialised tissue for conduction of water?

(i) Thallophyta


(ii) Bryophyta


(iii) Pteridophyta


(iv) Gymnosperms

 3

Which among the following produce seeds?

 5

Which among the following is exclusively marine?

 6

Which among the following have open circulatory system?

(i) Arthropoda


(ii) Mollusca


(iii) Annelida


(iv) Coelenterata