Which of the following statements about inclusion bodies is incorrect?

1. These are involved in the ingestion of food particles.

2. They lie freely in the cytoplasm.

3. These represent reserve material in cytoplasm.

4. They are not bound by any membrane.

Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are:

1. Contractile vacuoles

2. Gas vacuoles

3. Centrioles

4. Microtubules