Question

The Axolotl larva of salamander is kept in water where iodine is absent then

• A. There will be no effect on its metamorphosis.
• B. It will metamorphose but remain sexually immature.
• C. It will fail to metamorphose but become sexually mature.
• D. It will fail to metamorphose and will remain sexually immature also.

Answer 1

The correct option is C It will fail to metamorphose but become sexually mature.

The axolotl larvae of the Salamander reaches the sexual maturity in the stage of the larvae. The larvae require iodine solution for the production of the thyroxine hormone which is necessary for the metamorphosis to occur. In the absence of iodine, the larvae will become sexually mature but they will fail to metamorphosis.

Thus, the correct answer is option C.