Which of the following animals has a clitellum ?

examrobotsa's picture
Q: 73 (SSC/NA)

Which of the following animals has a clitellum ?

question_subject: 

Science

question_exam: 

SSC

stats: 

0,37,48,25,18,37,5

keywords: 

{'clitellum': [1, 0, 0, 0], 'earthworm': [4, 0, 1, 0], 'ringworm': [3, 0, 0, 0], 'millipede': [1, 0, 0, 0], 'centipede': [2, 0, 0, 0], 'animals': [0, 0, 1, 2]}

The correct answer is option 3, Earthworm. The clitellum is a prominent reproductive structure found in earthworms. It is a raised band located near the head end of the body. During reproduction, the clitellum secretes a mucus tube that serves as a protective cocoon for the fertilized eggs. The earthworm then deposits the cocoon in the soil where it hatches, giving rise to new earthworms.

It is important to note that none of the other options have a clitellum. Millipedes and centipedes belong to a different group of arthropods called myriapods, which do not possess a clitellum. The option 4, Ringworm, is not even an animal, but a type of fungal infection that affects the skin. Therefore, option 3, Earthworm, is the correct answer.