BIOLOGICAL CLASSIFICATION( Animals II)
Male Ascaris is differentiable from Ascaris in
Presence of post-anal papillae
Presence of pre-anal papillae
Presence of penial setae
All the above
Which of the following groups of animals are bilaterally symmetrical and triploblastic:
Scypha, Meandrina, Physalia.
Taenia, Pennatula, Antedon
Ancylostoma, Locusta, Loligo.
Antedon, Adamsia, Ascaris.
Which one the following characters are unique to Cnidaria?
Symbiotic association with other organisms.
Sedentary body forms.
Which of the following is not correct regarding the matching of phylum and its examples?
Annelida-Aphrodite, Chaetopterus, Bonnelia.
Mollusca-Teredo, Aplysia, Chaetopleura.
Aschelminthes-Ancylostoma, Enterobius, Tubifex.
Arthropoda-Buthus, Leppesma, Leptocorisa.
Most primitive animals are
Hydra does not feed on lower animals because
They are so small
They are distasteful
They lack glutathione
All of the above
Which is free swimming stage in the life history of Fasciola?
All of these
The metallic ion contained in the blood of mollusca is
Number of tentacles in a polyp of Obelia is
Why do mammals lack mucous glands in their skin?
The skin is not slippery.
Their skin is tough.
The epidermis has many layers of cells.
The skin is not respiratory.
There are 10 questions to complete.