SAT Subject Biology Practice Question 311: Answer and Explanation

Next steps

Question: 311

1.

The hormone labeled Y in the diagram is

A. progesterone, secreted by the corpus luteum after ovulation has occurred
B. progesterone, secreted by the ovary after ovulation has occurred
C. estrogen, secreted by the corpus luteum after ovulation has occurred
D. estrogen, secreted by the ovary after ovulation has occurred
E. estrogen, secreted by the follicle before ovulation occurs

Correct Answer: A

Explanation:

A The rise in hormone Y occurs after ovulation (choice E is wrong) and coincides with formation of the corpus luteum (choices B and D are wrong). The primary hormone secreted by the corpus luteum is progesterone.

Previous       Next