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
Respiration in Ascaris is
aerobic respiration
anaerobic respiration
Both (a) and (b)
None of the above
Digestion in Leucosolenia and other sponges is
only extracellular
only intracellular
first extracellular, then intracellular
first intracellular, then extracellular
A cysticerous in pig muscles can remain alive for
six months
one year
six years
one month
C.
six years
Cysticerci remain alive for 5-6 years and are then calcified by the host (pig).
Tube within tube plan is exhibited by which of the following groups of animals?
Arthropods
Cephalochordates
Annelids
Mollusca