Soil As Reservoir Of Essential Elements

Most cultivated soils have a pH range between 4.5 and 8.5. However most plants grow best in soils with a neutral or slightly acidic pH.

The pair that is not correctly matched is (C): Anopheles culifaciens - Leishmaniasis
Anopheles mosquitoes are primarily known for transmitting malaria, not leishmaniasis. Leishmaniasis is typically transmitted by sandfly vectors. So, the correct match for Anopheles mosquitoes is malaria transmission, not leishmaniasis.

Chernozem is a type of soil characterized by its black color and high humus content. It is renowned as one of the most fertile soils globally and is primarily utilized for growing cereal crops. Black soil is abundant in elements like calcium carbonate and iron, and it also contains lime, potash, aluminum, among other minerals. Laterite soil, on the other hand, contains bauxite, which is the source ore for aluminum production. Terra Rossa, a red clayey soil, is formed from limestone and is well-suited for cultivating vine plants, especially in grapevine production.