Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Biology Diversity in The Living World Animal Kingdom
Choose the respiratory organ that are not present in phylum-Arthropoda.
1
Tracheal system
2
Gills
3
Water vascular system
4
More than one of the above
5
None of the above