Question

Contractile vacuole of amoeba is equivalent to which organ of a human?

• A. Spleen
• B. Kidney
• C. Lungs
• D. Liver

Answer 1

The correct option is B

Kidney

The correct option is B:

Explanation of the correct option:

1. In amoebae, excretory waste such as ammonia is gathered from the internal fluid by active transport and diffusion by contractile vacuoles.
2. The excretory organ of the amoeba, like the excretory organ kidney of humans, is a contractile vacuole.
3. The nucleus is the amoeba's major organelle, controlling reproduction as well as other processes, including growth and eating.
4. -Plasmodesmata are cytoplasmic bridges that allow cells to communicate with one another.

Explanation of the incorrect option:

Option A:

1. It helps in the filtration of blood by removing cellular waste and getting rid of old or damaged blood cells.

Option C:

1. It helps in respiration.

Option D:

1. It helps in the removal of waste from the body.

Final answer: Contractile vacuole of amoeba is equivalent to Kidney organ of a human.