OMNIVORES

Which of the following statements represents the qualities of culturable fishes ? I. Ability to feed on natural as well as artifical food diet. II. Ability to tolerate a sudden change in climate III. Omnivorous in nature IV. Slow growing Choose the correct option

Echinus (sea urchin) I. is omnivorous. II.has a masticatory apparatus called Aristotle's lantern . III.has tube feet without suckers . IV.has doliolaria larva in its life cycle . Choose the correct option .

Which of these is/are limitation/s of ecological pyramids? I. Decomposers are not given any place in ecological pyramids. II. Ecological pyramids do not accommodate a food web. III. Ecological pyramids may be upright or inverted. IV. They don't consider omnivores in two different trophic levels.

The statements given below mention certain characteristic features of Nereis . Select the correct statements and mark the correct code . I . The body of Nereis is divisible into head , truck and pygidium . II . Anus is mid-dorsal in position present on the 26th segment . III. Prostomium bears a pair of short , cylindrical , sensory tentacles . IV . It is an omnivorous annelid .

Omnivorous animals feed on_____

Assertion (A) Periplaneta americana is nocturnal, omnivorous, household pest. Reason (R) It is because it acts as scavenger.

Following are assertion and reason. What is correct combination. Assertion.: Periplaneta american is nocturnal, omnivorous , household pest. Reason.: It is because it acts as scavenger

Jackal is related to Carnivorous in the same way as Goat is related to 1)Omnivorous 2)Carnivorous 3)Herbivorous 4)Multivorous 5)None of these