Human Respiratory System Quiz

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Which organelle is responsible for maintaining cell turgor pressure in plant cells?

Ribosome
Mitochondrion
Nucleus
Vacuole (correct)

What is the correct equation for photosynthesis?

Water+oxygen+energy → Glucose+carbon dioxide
Water+carbon dioxide → Glucose+energy (correct)
Water+carbon dioxide → Glucose oxygen
Carbon dioxide → glucose+water

Which division is responsible for the somatic cells in humans?

Metaphase
Mitosis (correct)
Meiosis
Prophase

Which organelle contains the genetic material (DNA) of the cell?

Nucleus (B) Signup and view all the answers

Which of the following is not a function of the ribosome?

Energy production (B) Signup and view all the answers

Which of the following is not a type of passive transport across the cell membrane?

Active transport (D) Signup and view all the answers

Which type of cell lacks a well-defined nucleus?

Prokaryotes (C) Signup and view all the answers

What is NOT a characteristic of a prokaryotic cell?

Has a nucleus (B) Signup and view all the answers

Which of the following is NOT a significant application of mitosis?

Development (D) Signup and view all the answers

What is the best analysis for hydrophilic and hydrophobic molecules?

Hydrophilic are water-loving molecules that are polar covalently or ionic bonded, while hydrophobic are nonpolar. (D) Signup and view all the answers

Which organelle functions in the production of energy?

Mitochondria (C) Signup and view all the answers

What is the primary function of the cell wall in plant cells?

Provides structural support and protection (A) Signup and view all the answers

What is the primary function of the immune system?

Protection against diseases and infections (C) Signup and view all the answers

Which of the following is the primary organ responsible for respiration in humans?

Lungs (B) Signup and view all the answers

What is the term for the small air sacs in the lungs where gas exchange occurs?

Alveoli (B) Signup and view all the answers

Which hormone is produced by the pancreas and helps regulate blood sugar levels?

Insulin (A) Signup and view all the answers

What is the main function of antibodies in the immune system?

Recognizing and binding to specific antigens (C) Signup and view all the answers

Which of the following structures is not part of the respiratory system?

Duodenum (B) Signup and view all the answers

Which organ is NOT considered part of the gastrointestinal tract?

Pancreas (C) Signup and view all the answers

What is the primary role of enzymes in the digestive process?

Chemical breakdown of food molecules (C) Signup and view all the answers

What is a major function of the large intestine?

Absorption of water and ions (D) Signup and view all the answers

What is the correct pathway of food through the digestive system?

Mouth -> Esophagus -> Stomach -> Small intestine -> Large intestine (C) Signup and view all the answers

Which gland is responsible for producing melatonin, a hormone that regulates sleep-wake cycles?

Pineal gland (C) Signup and view all the answers

What is the primary organ of the circulatory system responsible for pumping blood throughout the body?

Heart (D) Signup and view all the answers

What is the function of red blood cells in the circulatory system?

Deliver oxygen throughout the body (B) Signup and view all the answers

What is the function of valves in the circulatory system?

Prevent regurgitation (D) Signup and view all the answers

What is the largest artery of the body?

Aorta (A) Signup and view all the answers

Which of the following types of blood vessels carries oxygen-rich blood (except pulmonary artery) away from the heart to the rest of the body?

Arteries (A) Signup and view all the answers