Zoology-Phylum Characteristics
NEET Zoology Phylum Characteristics MCQ Question
Type: MCQ-numerical-Hard-Class 11
If the class Cyclostomata contains species with 6 to 15 pairs of gill slits, what is the range of total gill slits possible among these species?
A
12 to 30
B
6 to 30
C
12 to 15
D
6 to 15
Correct Answer
Option A
Detailed Explanation
Each pair of gill slits corresponds to two gill slits. Therefore, with 6 to 15 pairs, the total number of gill slits ranges from 12 (6 pairs x 2) to 30 (15 pairs x 2).
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