Attempted
Correct
UnAttempted
Wrong
Which character is not same in aves and mammals ?
Excepta few, only mammals possess gseven cervical(neck) vertebrae.
Flight muscles of bird are attached to
Poisonous fangs of a snake are modified
Which type of respiratory organs are present in spiders and scropions ?
In scorpion and spiders the respiratory organs are book lungs. They are named so because their folds resemble the leaves in a book. In this the exchange of gases takes place between the air of interlamellar spaces and the venous blood through the thin membranous walls of the lamellae.
Ornithorynchusis a
Ornithorynchus or duck bill is an egg laying mammal.
Which of the following is not found in birds ?
In birds, forelimbs are modified as wings for flying.Therefore, the forelimb is not found in birds.
Which one of the animal of amphibia has no tongue?
Icthyophisis a limbless amphibian showing parental care.Pectoral girdle
Which one of the following sets of animals belongs to the same class of a phylum ?
Because they are belong to the class mammalia.
In Hydra, egestion of undigested food and excretion of nitrogeneous wastes occur through –
In Hydra, undigested residues are egested from colenteron through mouth and body wall.
Which one of the following groups of structures/organs have similar function ?