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easyMCQNEET 20232026Biology
1 mark

Select the correct statements with reference to chordates:A. Presence of a mid-dorsal, solid and double nerve cord.B. Presence of closed circulatory system.C. Presence of paired pharyngeal gill slits.D. Presence of dorsal heart.E. Triploblastic pseudocoelomate animals.Choose the correct answer:

  1. A
    A, C and D only
  2. B
    B and C only
  3. C
    B, D and E only
  4. D
    C, D and E only

Solution & Step-by-step Explanation

1. A is incorrect: Chordates have a hollow, single, dorsal nerve cord.2. B is correct: Most chordates have a closed circulatory system.3. C is correct: Pharyngeal gill slits are a fundamental chordate feature.4. D is incorrect: Chordates have a ventral heart.5. E is incorrect: They are coelomate, not pseudocoelomate.Only B and C are correct.

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Select the correct statements with reference to chordates:A. Presence of a mid-dorsal, solid and double nerve cord.B. Presence of closed circulatory system.C. Presence of paired pharyngeal gill slits.D. Presence of dorsal heart.E. Triploblastic pseudocoelomate animals.Choose the correct answer:
A
A, C and D only
B
B and C only
C
B, D and E only
D
C, D and E only

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