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
Which of the following is not insect?
Spider
Grasshopper
Fly
Bee
A.
Spider
Spider belongs to Class- Arachanida. It has 4 pairs of leg and their body is divisible into cephalothorax and abdomen.
Grasshoppers belong to Sub- order Caelifera. They have powerful hind legs which allow them to escape from threats.
Flies belong to Order- Diptera. They have a pair of functional wings for flight and a pair of vestigial hindwings for balance.
Bees are flying insects. They have their role in pollination.
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