Multiple choice

Ctenophores, also known as comb jellies or sea walnuts, are exclusively marine organisms. Which of the following is not a property of Ctenophores?

  1. They are radially symmetrical organisms with tissue level of organisation.

  2. Their body bears four external rows of ciliated comb plates.

  3. Digestion is both extracellular and intracellular.

  4. Sexes are not separate in Ctenophores.

  5. Reproduction is only by sexual means.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option as this is not a property of Ctenophores. Ctenophores' bodies bear eight external rows of ciliated comb plates that help in locomotion.