Question

Which of the following set of characteristics are shown by frog?

• A. Bifid tongue, slippery skin and mucous glands
• B. Salivary glands, mucous glands and parotid glands
• C. Parotid glands, warty skin and semicircular snout
• D. Slippery skin, yellow pigment and abundant mucous glands

Answer 1

The correct option is C Parotid glands, warty skin and semicircular snout

Toads possess parotid glands, which secretes poison. They have dry, warty skin in contrast to the frogs which have slippery, smooth skin. Also, toads have semicircular snout as opposed to frogs, which have a triangular head.
So, the correct answer is option C.