Biology

Respiration and Gas Transport

647 Questions

Respiration and gas transport deal with the physiological mechanisms of breathing, including the role of hemoglobin in oxygen transport and the removal of carbon dioxide from the blood. Questions cover both aerobic and anaerobic processes, along with related phenomena like altitude sickness. This human biology topic is a staple in the science sections of competitive tests.

Oxygen and hemoglobin transportAnaerobic respiration effectsCarbon dioxide removalAltitude sickness causesBreathing rate regulation

Respiration and Gas Transport Questions

Multiple choice

Which of the following is an example of active transport?

  1. The movement of glucose into a cell

  2. The movement of water across a cell membrane

  3. The movement of oxygen into a cell

  4. The movement of carbon dioxide out of a cell
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Active transport is an energy-requiring process that moves substances against their concentration gradient, such as the movement of glucose into a cell.

Multiple choice

What is the term used to describe the process by which air pollutants can enter the bloodstream and reach various organs?

  1. Translocation

  2. Transmigration

  3. Transduction

  4. Transversion
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Translocation refers to the movement of air pollutants from the lungs into the bloodstream, allowing them to reach and affect distant organs.