Q. An electron micrograph of a plant cell shows two different types of plastids. One of them is known to store oils and fats in them; such a plastid is known as:

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Solution:

Based on the type of pigments plastids can be classified into chloroplasts, chromoplasts and leucoplasts. The leucoplasts are the colourless plastids of varied shapes and sizes with stored nutrients: Amyloplasts store carbohydrates (starch), e.g., potato; elaioplasts store oils and fats whereas the aleuroplasts store proteins.