Question

Select the correct set of animals that possess metanephric kidney.

• A. Mammals only.
• B. Amphibians only.
• C. Birds and reptiles only.
• D. Birds, reptiles, and mammals only.

Answer 1

The correct option is D

Birds, reptiles, and mammals only.

The correct option is D.

Explanation of the correct option:

1. Reptiles, birds, and mammals all have a metanephric kidney.
2. The glomeruli are well developed in this type of kidney.
3. The excretory process is aided by the metanephric kidneys.
4. These are paired structures found in the abdominal region.
5. They are made up of nephron units that are involved in blood filtration and the elimination of nitrogenous wastes from the body.

Explanation for the incorrect options:

Option A:

Metanephric kidneys are not only found in mammals but it is also found in reptiles and birds.

Option B:

In amphibians mesonephric kidneys are present.

Option C:

Metanephric kidneys are not only found in reptiles and birds but also found in mammals.

Final answer: The correct set of animals that possess metanephric kidney are birds, reptiles, and mammals.