- Flowers of Papaya vs Cleistogamous flowers of Viola
Flowers of Papaya produce better variations than Cleistogamous flowers of Viola due to the following reasons:

1. Genetic Diversity:
- Papaya flowers are cross-pollinated, resulting in genetic recombination and increased genetic diversity. This allows for better variations to occur in the offspring.
- On the other hand, Viola flowers are self-pollinated (cleistogamous), leading to limited genetic variation and fewer opportunities for beneficial mutations.

2. Adaptability:
- Cross-pollination in Papaya flowers helps in the exchange of genetic material between different individuals, leading to offspring that are better adapted to changing environmental conditions.
- In Viola flowers, self-pollination restricts the genetic variation necessary for adapting to new challenges, making them less likely to produce better variations.

3. Disease Resistance:
- The genetic diversity resulting from cross-pollination in Papaya flowers can confer better resistance to diseases and pests, as there is a higher chance of beneficial traits being present in the population.
- With limited genetic diversity in Viola flowers, the chances of resistance to diseases are lower, making them more susceptible to outbreaks.

4. Evolutionary Potential:
- The ability of Papaya flowers to produce better variations through cross-pollination enhances their evolutionary potential, allowing them to evolve and adapt over time.
- Cleistogamous flowers of Viola, with their limited genetic diversity, have lower evolutionary potential, which can hinder their ability to survive in changing environments.
In conclusion, the production of better variations in Papaya flowers compared to Cleistogamous flowers of Viola is attributed to the genetic diversity, adaptability, disease resistance, and evolutionary potential associated with cross-pollination.