11. Which cell type is likely to have the most mitochondria?

A. Fast-twitch muscle
B. Slow-twitch muscle
C. Liver cells
D. Adipose cells

12. Tonoplast is a membrane around

A. cytoplasm
B. vacuole
C. nucleus
D. mitochondria

13. A cell without a cell wall is called

A. apoplast
B. protoplast
C. symplast
D. none of these

14. Chemical energy is supplied to eukaryotic cells by

A. chloroplasts and Golgi complexes
B. mitochondria and ribosomes
C. mitochondria only
D. mitochondria and chloroplasts

15. Which part of a plant contains the male sex cell?

A. Ova
B. Style
C. Stamen
D. Pollen