Correct answer: (c) Mediterranean regions
Explanation
- A
Monsoon regions
(a) Monsoon regions. Monsoon lands favour rice, jute, tea—not the classic commercial citrus belt.
- B
Tropical high lands regions
(b) Tropical highlands. Highlands may grow coffee or temperate orchards at altitude; they are not the textbook citrus region.
- C
Mediterranean regions
(c) Mediterranean regions. Citrus (oranges, lemons, mandarins) is a hallmark of Mediterranean summer-dry, winter-rain climates (California, Spain, Italy, Israel, parts of Australia). That is the official key.
- D
Equatorial regions
(d) Equatorial regions. Year-round rain and humidity suit rubber and cocoa, not commercial citrus orchards.
Summary. Official key is (c). Citrus production is well developed in Mediterranean regions. Monsoon, equatorial and tropical-highland belts are not the classic citrus realms.
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