Which of these characteristics of frog is the reason for its short alimentary canal?

Where are the male genital pores present in earthworm?

In frog, the ventricle opens into __

What type of respiration is shown by frogs in water?

Which of these is not present in frog?

In the brain of frogs, optic lobes are present in the ___

What type of muscle fiber is shown below?

Which of these structures is the upper lip of the cockroach?