Question

Which of the following mammals does not have a pinna, nipple and uterus but has an abdominal testis

• A. Spiny anteater
• B. Scaly anteater
• C. Two eyed anteater
• D. Banded anteater

Answer 1

The correct option is A Spiny anteater

• Prototherians are primitive egg-laying mammals.
• They have mammary glands but do not have nipples.
• In males, the testes are situated inside the abdominal cavity.
  
• They do not have pinnae.

A. Spiny anteater is an egg-laying mammal or Prototherian.

B. Scaly anteater is a Eutherian or placental mammal.

C. Two-eyed anteater or giant anteater is also a Eutherian.

D. Banded anteater is also known as marsupial anteater is a Metatherian or pouched mammal (but these marsupials lack a pouch).

So, the correct answer is the 'Spiny anteater'.