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
Moulting in snakes is done by shedding
comified cells
stratified germinativum
epidermis
dermis
A.
comified cells
Stratum comeum is keratinized layer and is shed by snakes annually.
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