Which of the following is the basic unit of life? What part of the plant cell is responsible for photosynthesis? Where does photosynthesis occur in a plant cell? What gas do plants absorb for photosyn

1. The basic unit of life is the cell.
The correct option is C.

$$\boxed{\text{C. Cell}}$$

2. Photosynthesis takes place in the chloroplast.
The correct option is C.

$$\boxed{\text{C. Chloroplast}}$$

3. Plants take in carbon dioxide during photosynthesis.
The correct option is B.

$$\boxed{\text{B. Carbon dioxide}}$$

4. The powerhouse of the cell is the mitochondria.
The correct option is B.

$$\boxed{\text{B. Mitochondria}}$$

5. The process by which green plants make food is called photosynthesis.
The correct option is B.

$$\boxed{\text{B. Photosynthesis}}$$

6. A bat is a mammal.
The correct option is C.

$$\boxed{\text{C. Bat}}$$

7. The organ used for breathing in fish is the gills.
The correct option is C.

$$\boxed{\text{C. Gills}}$$

8. Blood is classified as a tissue.
The correct option is B.

$$\boxed{\text{B. Tissue}}$$