Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Biology Zoology
On the basis of embryonic layers, animals are classified into:
1
phylum chordata and non-chordates
2
acoelomates and coelomates
3
diploblastic and triploblastic
4
More than one of the above
5
None of the above