The type of plastids helping in pollination is

The correct option is Chromoplasts.

Plastids are double-membrane organelles found in plant cells and algae, which play diverse roles in photosynthesis, food storage, and pigment synthesis. They are categorized into different types based on their pigments and functions:
1. Chloroplasts contain the green pigment chlorophyll and are primarily responsible for photosynthesis.
2. Leucoplasts are non-pigmented, colorless plastids used mainly for storing nutrients such as starches, lipids, and proteins.
3. Chromoplasts are heterogeneous plastids responsible for pigment synthesis and storage. They contain carotenoid pigments that impart vibrant yellow, orange, and red colors to fruits, flowers, and roots.

Pollination is the transfer of pollen grains from the male anther of a flower to the female stigma, which is crucial for plant reproduction. To achieve this, many plants rely on animal pollinators like insects, birds, and bats. Flowers attract these pollinators through bright and vivid coloration. The chromoplasts present in the petals and other floral parts synthesize and store the colorful carotenoids that give flowers their eye-catching red, orange, and yellow hues. By providing these attractive colors, chromoplasts play a direct and vital role in facilitating pollination.