Adaptations to deserts and high altitude — practice questions
3 questions in the bank on this idea. Below are 3 of them, exactly as they appear in a test.
Which feature helps many desert plants reduce water loss?
- A. Continuously open stomata at midday
- B. Broad thin leaves with exposed stomata
- C. Thick cuticle and sunken stomata
- D. Very high leaf surface area
How does the kangaroo rat survive in a desert with little access to drinking water?
- A. Metabolic water plus strong water conservation
- B. It drinks large amounts of surface water daily
- C. It loses dilute urine continuously
- D. It depends on aquatic plants for water
A person moves rapidly from sea level to a high-altitude region. Which physiological change would help compensate for reduced oxygen availability over time?
- A. Permanent closure of pulmonary capillaries
- B. Reduced breathing rate and fewer erythrocytes
- C. Complete loss of haemoglobin
- D. Increased red blood cell production
Want to know which of these you would get wrong?
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