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Which one of the following features is p...

Which one of the following features is present in some stage of the life history of all chordates?

A

Blood flowing forward in dorsal blood vessel

B

Pharyngeal gill slits

C

A ventral hollow nerve cord

D

Heart lying dorsally

Text Solution

Verified by Experts

The correct Answer is:
B
Pharyngeal gill slits
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FULL MARKS-KINGDOM ANIMALIA-ENTRANCE EXAMINATION QUESTIONS SOLVED (CHOOSE THE CORRECT ANSWER)
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  5. Which of the following has exoskeleton of scales and paired copulatory...

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  6. Laterally compressed tail is found in ………………. .

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  7. Which of the following is characteristic feature of fishes?

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  8. Similarity between fish and tadpole is ………………… .

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  9. Four chambered heart is present in ………………….. .

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  10. Right aortic arch is present in……………….. .

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  11. Kidney of adult reptiles are ……………………….. .

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  12. Marine fishes drink sea water to …………………… .

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  16. Turtles are …………………. .

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