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Human Biology and Development Quiz

#1

Which of the following is a function of the pancreas?

Regulation of blood sugar levels
Explanation

Regulates blood glucose levels through insulin and glucagon secretion.

#2

During which stage of pregnancy does the fetus develop its major organs?

First trimester
Explanation

Major organ development occurs during the first trimester.

#3

Which of the following structures is NOT part of the female reproductive system?

Prostate gland
Explanation

The prostate gland is part of the male reproductive system.

#4

Which of the following is the site of gas exchange in the respiratory system?

Alveoli
Explanation

Alveoli facilitate gas exchange in the lungs.

#5

Which hormone is responsible for regulating the sleep-wake cycle?

Melatonin
Explanation

Melatonin regulates the sleep-wake cycle.

#6

Which of the following is NOT a function of the kidneys?

Producing red blood cells
Explanation

Kidneys regulate fluid balance, electrolytes, and blood pressure.

#7

Which hormone is responsible for the development of secondary sexual characteristics in males?

Testosterone
Explanation

Testosterone drives the development of male secondary sexual traits.

#8

What is the term for the process by which a fertilized egg implants itself into the lining of the uterus?

Implantation
Explanation

Implantation refers to the attachment of the embryo to the uterine wall.

#9

What is the name of the process by which cells specialize into different cell types during development?

Differentiation
Explanation

Differentiation leads cells to take on specific functions.

#10

Which of the following is NOT a function of the skeletal system?

Producing red blood cells
Explanation

Red blood cell production occurs in the bone marrow.

#11

What is the role of the adrenal glands?

Producing adrenaline
Explanation

Adrenal glands secrete adrenaline in response to stress.

#12

Which of the following is a function of the lymphatic system?

Producing antibodies
Explanation

Lymphatic system generates antibodies to fight pathogens.

#13

Which of the following is NOT a stage of mitosis?

Interphase
Explanation

Interphase is a preparatory phase before mitosis.

#14

What is the main function of the hypothalamus in the brain?

Controlling hunger and thirst
Explanation

Hypothalamus regulates basic physiological processes including hunger and thirst.

#15

Which of the following is a characteristic of an ectotherm?

Relies on external sources to regulate body temperature
Explanation

Ectotherms depend on external sources to maintain body temperature.

#16

What is the name of the process by which nerve cells communicate with each other?

Synaptic transmission
Explanation

Synaptic transmission involves chemical signals between neurons.

#17

Which of the following is NOT a function of the liver?

Regulating blood pressure
Explanation

Liver's main functions include metabolism, detoxification, and bile production.

#18

What is the name of the process by which white blood cells engulf and destroy pathogens?

Phagocytosis
Explanation

Phagocytosis is the process of white blood cells engulfing and destroying pathogens.

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