Wazari Exam (Iraq Baccalaureate) - Scientific Branch · Biology
Human physiology and ecology
21 practice questions, each with the answer and an explanation.
Practise Human physiology and ecology now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 21 questions
- Which hormone lowers the blood glucose level?
- Which structure in the kidney is the filtering unit?
- Which blood vessels carry blood away from the heart?
- Which part of the brain controls balance and coordination?
- What is the function of white blood cells?
- Which type of cell secretes antibodies during an immune response?
- Why does a vaccine protect a person later?
- What is the function of the myelin sheath?
- Which gas exchange surface in the lungs is the air sac?
- In which organ is most digested food absorbed into the blood?
- Which process do plants use to make glucose from carbon dioxide and water?
- In which part of the plant does most water loss by transpiration occur?
- What is a food chain's first trophic level made up of?
- What describes a relationship where one species benefits and the other is neither helped nor harmed?
- What does the pyramid of numbers show?
- Which structure in a plant cell is absent from an animal cell?
- What is the word equation for aerobic respiration?
- What is the name of the process by which water moves across a partially permeable membrane from a dilute to a concentrated solution?
- Using the 10 percent rule, if producers fix 10000 kJ of energy, how much energy is available to tertiary consumers?
- Using the 10 percent rule, if producers fix 20000 kJ of energy, how much energy is available to secondary consumers?
- Using the 10 percent rule, if producers fix 5000 kJ of energy, how much energy is available to tertiary consumers?
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