Digestion in Leucosolenia and other sponges is
only extracellular
only intracellular
first extracellular, then intracellular
first intracellular, then extracellular
Tube within tube plan is exhibited by which of the following groups of animals?
Arthropods
Cephalochordates
Annelids
Mollusca
Caudal vertebrae of man are united to form a single
synsacrum
pygostyle
coccyx
None of these
C.
coccyx
The bones of the tail, which articulate with the sacral vertebrae. The number of caudal vertebrae varies with the species. The coccyx is a triangular arrangement of bone that makes up the very bottom portion of the spine below the sacrum. It represents a vestigial tail, hence the common term tailbone.
Synsacrum and pygostyle are unique features of aves.
Non-reducing sugars have
free CHO group and bound CO group
free CO group and bound CHO group
both CO and CHO free groups
neither free CO nor free CHO groups