選修F：糧食與健康：练习题

Which of the following best describes the concept of food security?

The 'double burden of malnutrition' is a growing concern in many Middle-Income Countries (MICs). Which scenario best illustrates this geographic concept?

According to Amartya Sen's Entitlement Theory, which of the following scenarios would lead to a 'direct entitlement failure' resulting in famine?

Which term describes a severe form of malnutrition caused by a prolonged deficit in caloric intake and protein supply, typically leading to physical wasting and stunted growth?

Food security is defined as when all people, at all times, have physical and economic access to sufficient, safe and nutritious food that meets their dietary needs and food preferences for an active and healthy life. Which term best describes a situation where individuals lack consistent access to adequate food due to limited financial resources?

Contrast Health-Adjusted Life Expectancy (HALE) with standard life expectancy as measures of a population's health status.

Explain why a 'food desert' might occur in a high-income urban area despite the presence of advanced logistics and infrastructure.

Briefly explain how the Green Revolution aimed to increase food security and identify one environmental consequence of its reliance on high-yield varieties (HYVs).

The Green Revolution significantly altered agricultural productivity in the mid-20th century.

(a) Identify two technological innovations that were central to the Green Revolution. (2 points)
(b) Explain two negative environmental consequences resulting from the intensive use of these technologies in Low-Income Countries (LICs). (3 points)

Climate change is projected to shift the geographic range of various vector-borne diseases.

(a) Using the example of Malaria or Zika virus, explain how rising global temperatures affect the spatial distribution of disease vectors. (3 points)
(b) Discuss the challenges that 're-emerging' diseases pose to healthcare infrastructures in regions that were previously considered disease-free. (4 points)