IGCSE CIE Biology - Hormones (Animal, Human)

Which hormone triggers the release of an egg from the ovary during the menstrual cycle?

• Estrogen

• Progesterone

• Leutenizing Hormone

• Follicle stimulating hormone

Which phase of the menstrual cycle is characterized by the shedding of the uterine lining?

• Follicular phase

• Ovulation phase

• Luteal phase

• Menstrual phase

Which hormone is responsible for thickening the uterine lining during the menstrual cycle?

• Estrogen

• Progesterone

• Luteinizing hormone

• Follicle-stimulating hormone

In which phase of the menstrual cycle does the follicle mature and prepare for ovulation?

• Follicular phase

• Ovulation phase

• Luteal phase

• Menstrual phase

What is the average length of the menstrual cycle?

• 14 days

• 21 days

• 28 days

• 35 days

Which of the following is NOT a symptom of premenstrual syndrome (PMS)?

• Cramping

• Mood swing

• Acne

• Breast Tenderness

How does birth control pills affect the menstrual cycle?

• It stops ovulation

• It thickens the uterine lining

• It reduces the level of estrogen and progesterone

• It increases the level of follicle-stimulating hormone

Which part of the brain is responsible for regulating the menstrual cycle?

• Hypothalamus

• Cerebellum

• Medulla oblongata

• Pons

How does stress affect the menstrual cycle?

• It increases the level of estrogen and progesterone

• It decreases the level of estrogen and progesterone

• It has no effect on the menstrual cycle

• It causes irregular menstrual cycles

Which of the following is a common method of tracking the menstrual cycle?

• Measuring basal body temperature

• Counting heart rate

• Checking blood pressure

• Measuring lung capacity