Question

chloroplast and chromoplast​

Answer 1

Answer:

Chloroplast, chromoplast, and leucoplast, all three are types of plastids.

Leucoplast is a colourless plastid, involved in storage of starch lipid and proteins. Being colourless, leucoplasts are devoid of any pigments. (This option A is wrong).

Chloroplast are green coloured plastids containing thylakoids and photosynthetic pigment chlorophyll. Chloroplast are involved in photosynthetic production of carbohydrates.

Chromoplasts are plastids responsible for pigment synthesis. They give distinctive colours to different fruits, flowers and ageing leaves in plants.

All the plastids (chromoplast, chromoplast and leucoplast) are thought to be descended from symbiotic prokaryotes and therefore, they all divide by a fission like process.

Hence the correct answer is 'Ability to multiply by a fission like process'.

Explanation:

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Answer 2

✩Chloroplasts

The green-coloured plastids are called chloroplasts. They manufacture food for green plants by the process of photosynthesis.

✩Chromoplasts

The plastids, associated with the different coloured parts of the plants (like fruits, vegetables and flowers) are called chromoplasts. They are responsible for imparting colour (other than green) to the different parts of the plant.

◆Other Information◆

• Plastids are large cell organelles, characterstic of plant cells.

• They may contain pigments that provide colour to the cell.

• Plants also contain some colourless plastids called leucoplasts. These provide space to store starch, proteins, oils, etc.