Which of the following character is not found in all the chordates:

1. Diaphragm

2. Coelom

3. Pharyngeal gill clifts

4. Dorsal nerve cord

Subtopic:  Phylum Chordata |
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In which of the following animal post-anal tail is found:
1.  Earthworm
2.  Lower invertebrate
3.  Scorpion
4.  Snake

Subtopic:  Phylum Chordata |
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In which of the following, the notochord is present in the embryonic stage?

1. All chordates 2. Some chordates
3. Vertebrates 4. Non-chordates
Subtopic:  Phylum Chordata |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology