Which of the following is correct regarding the pH scale?

A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4.

Which of the following atoms is most likely to become a cation?

Fluorine, atomic number 9

Which of the following endocrine organs in the diagram below is involved in regulating milk production following childbirth?

Pituitary gland

In pea plants, green pod color (6) is dominant to yellow pod color ( A cross was done between a plant with green pods and a plant with yellow pods. Of the resulting offspring 50% had green pods and 50% had yellow pods. Which of the following were the genotypes of both parent plants?

Gg x gg

Which of the following molecules contains the fewest covalent bonds?

Chlorine molecule

Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule?

Gene

Which of the following distinguishes endocrine and exocrine glands from another

The presence or absence of ducts.

The hip is an example of which of the following type of joints?

Ball-and-socket