Test: Frog - 1 - NEET MCQ

Frogs use their skin for cutaneous respiration when they are in water, absorbing oxygen directly from the dissolved oxygen in the water through their moist skin.

Frogs do not have a tail; they have a head and trunk directly connected, without a distinct neck or tail.

Digestion in frogs primarily occurs in the intestine, where final digestion and absorption of nutrients take place after initial processing in the stomach.

The left atrium receives oxygenated blood from the lungs in frogs before it is pumped into the body through the systemic circulation.

The skin of a frog is smooth and slippery due to the presence of mucus. The skin has a moist characteristic which is maintained. A frog does not drink water but has the ability to absorb water through its skin.

The body of the frog is divided into a head and a trunk. Neck and tail are absent. Frogs are green with dark irregular spots on the dorsal side. On the ventral side, they are pale yellow in color.

The nictitating membrane protects the eyes of the frog in water. The tympanum is the ear of the frog. Cloaca are excretory organs. Bidder’s canal is a part of the male reproductive system of frogs.

The tympanum is the ear of frog. It receives sound signals from the environment. The tympanum is a membranous structure. The received environmental sound signals is then transmitted to the nervous system.

Each forelimb of frog has four digits while each hindlimb of frog has five digits. The hindlimbs are larger and more muscular than the forelimbs. The limbs are used for leaping, swimming and burrowing.

Frogs are carnivorous and primarily feed on insects, small invertebrates, and occasionally small vertebrates like fish, making them important predators in their ecosystems.