Question

What are plastids? Write two types of plastids along with their function. (for class 9)​

Answer 1

Answer:

The plastid is a membrane-bound organelle found in the cells of plants, algae, and some other eukaryotic organisms. They are considered endosymbiotic Cyanobacteria, related to the Gloeomargarita. Plastids were discovered and named by Ernst Haeckel, but A. F. W. Schimper was the first to provide a clear definition.

Answer 2

Answer:

Plastids are double-membrane organelle which are found in the cells of plants and algae. Plastids are responsible for manufacturing and storing of food. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell.

The two important types of Plastids are as follows:

On the basis of presence of pigments, the plastids are of two types:

(i) the chromoplasts (chromatophores) having pigment, and

(ii) the leucoplasts which are colourless plastids.

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