Notochord originates from
None of these
Notochord originates from mesoderm germ layer.
Which of the following organelles does not contain RNA?
Which of the given option is correct regarding the statements?
Statement I: Cephalochordata bears notochord all along the body throughout life.
Statements II: Urochordate bears vertebral column only in the tail region throughout the life.
I wrong, II correct
I correct, II wrong
Both I and II are wrong
Both are correct
In which of the following haemocyanin pigment is found?
Which of the following cells in earthworm play a role similar to liver in vertebrates?
Match the following and select the correct option.
|List I||List II|
|A. Cyclostomes||1. Hemichordata|
|B. Ayes||2. Urochordata|
|C. Tunicates||3. Agantha|
|D. Balanoglossus||4. Pisces|
|E. Osteichthyes||5. Tetrapod|
Chondrichthyes is characterised by
Placoid scale and ventral mouth
Ctenoid scale and ventral mouth