Jaws present in which of the following?
Herdmania
Fishes
Petromyzon
Amphioxus
B.
Fishes
Jaws are present in fishes, for eg, Gnathostoma.
Respiration in Ascaris is
aerobic respiration
anaerobic respiration
Both (a) and (b)
None of the above
Tube within tube plan is exhibited by which of the following groups of animals?
Arthropods
Cephalochordates
Annelids
Mollusca
Digestion in Leucosolenia and other sponges is
only extracellular
only intracellular
first extracellular, then intracellular
first intracellular, then extracellular
Select the correct set of animals of Class- Mammalia.
Lion, bat, whale, ostrich
Whale, bat, kangaroo, hippopotamus
Lion, hippopotamus, penguin, bat
Hippopotamus, penguin, whale, kangaroo