The cytoplasm of the cells of a tomato plant contains organelles X having different pigments which impart different colours to the leaves of tomato plants and its fruits.
(a) What is the general name of the organelles X ?
(b) What is the (i) name (ii) colour, and (iii) function, of organelles X present in the leaves of Tomato plant?
(c) What is the colour of organells X which are present in the ripe fruits of tomato plant ?
Answers
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(a) The general name of the organelles X is plastids.
(b) (i) Chloroplasts (ii) green (iii) Chloroplasts (X) help in the synthesis of food by the process of photosynthesis.
(c) The colour of organells X which are present in the ripe fruits of tomato plant is red.
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(a) The general name of the organelles X is plastids.
(b) (i) The name of plastids in leaves of Tomato plant is carotene when fruit is ripe and chlorophyll or chloroplast when unripe.
(ii) The colour of plastids in leaves of Tomato plant is red or green.
(iii) The function of plastids in leaves of Tomato plant is imparts colour to the fruits.
(c) When the fruits are ripe in tomato plant, the fruit is in red colour and leaves are in green colour.
Explanation:
- Plastids are found in plants and algae, these organelles are double membraned.
- It help in the process of manufacture and storage of food.
- It is usually used in green colour which is used in photosynthesis process and it is used to impart colour on fruits and vegetables.
- Some of the types of plastids are chloroplasts , chromoplasts , gerontoplasts and leucoplasts.
- Many plants inherit plastids from single parents. For example, angiosperms inherit plastids from female gametes and gymnosperms inherit plastids from male.
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