Which of the following is incorrectly matched ?

Options

A. Alpha - Number of species in a given habitat
B. Genetic diversity - Variation of genes within species
C. Beta-diversity - Diversity of habitat in the whole region
D. Species diversity - The product of species richness and evenness

Answer

To determine which of the following options is incorrectly matched, we need to analyze each option related to the definitions of different types of diversity:

1. **Option A: Alpha diversity means number of species in a given habitat.**
- **Analysis:** Alpha diversity refers to the diversity within a particular area or ecosystem, and it is often measured by the number of species (species richness) present in that habitat. This definition is correct.

2. **Option B: Genetic diversity means variation of genes within species.**
- **Analysis:** Genetic diversity refers to the total number of genetic characteristics in the genetic makeup of a species. It includes the variation of genes within a species, which means this definition is also correct.

3. **Option C: Beta diversity means diversity of habitat in whole region.**
- **Analysis:** Beta diversity measures the difference in species diversity between different habitats or ecosystems. It compares the diversity of species between two habitats rather than describing the diversity of habitats in a whole region. Therefore, this definition is incorrect.

4. **Option D: Species diversity means product of species richness and evenness.**
- **Analysis:** Species diversity is indeed calculated as a combination of species richness (the number of different species) and evenness (how evenly the individuals are distributed among those species). This definition is correct.

Based on the analysis, the incorrectly matched option is **Option C**.

### Final Answer:
The incorrectly matched option is **C. Beta diversity means diversity of habitat in whole region.**

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