INSIGHT UPSC QUIZ

GS Economy Miscellaneous
Q.

Which of the following statements about ‘Sponges’ is/are correct?

1. Sponges are generally marine organisms and are multicellular symmetrical animals. 

2. In sponges, eggs and sperms are produced by the same individual. 

3. Sponges reproduce asexually by formation of gametes and sexually by fragmentation. 

Select the correct answer using the code given below.

Explanation:

ANSWER: (B)

Phylum – Porifera

  • Members of the phylum Porifera are known as sponges.
  • Statement 1 is not correct.

They are generally marine and mostly asymmetrical animals. These are primitive multicellular animals and have cellular level of organisation. 

  • Statement 2 is correct.

Sexes are not separate (hermaphrodite), i.e., eggs and sperms are produced by the same individual. 

  • Statement 3 is correct.

Sponges reproduce asexually by fragmentation and sexually by formation of gametes. 

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