Which of the following statements is true?

Which of the following statements is true?
Endocytosis cannot occur unless exocytosis has occurred.
During exocytosis, substances from the inside of the cell are moved outside.
Endocytosis and exocytosis are passive transport mechanisms.
During endocytosis, substances from the inside of the cell are moved outside.

I was going to choose the second one is that correct?

Which of the following names the three main parts of a human cell?
    Plasma membrane, cytoplasm, and nucleus.
    Cytoplasm, nucleus, and lysosome.
    Plasma membrane, mitochondria, and nucleus.
    Mitochondria, lysosome, and centriole

Is it the first one?
Lastly,
Which organelle is responsible for building proteins?
    Mitochondria
    Golgi apparatus
    Endoplasmic reticulum
    Ribosomes
thank you