HORTICULTURE SCIENCE
ULTRA STRUCTURE OF PLANT CELLS AND ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to absorb light energy and manufacture food
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to remove waste materials by active transport
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to manufacture chemical energy from food
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to control the shape of the cell
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Detailed explanation-1: -In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle-the chloroplast. Chloroplasts perform photosynthesis during the daylight hours. The immediate products of photosynthesis, NADPH and ATP, are used by the photosynthetic cells to produce many organic molecules.
Detailed explanation-2: -Chloroplasts are found in plant cells, but not in animal cells. The purpose of the chloroplast is to make sugars that feed the cell’s machinery. Photosynthesis is the process of a plant taking energy from the Sun and creating sugars.
Detailed explanation-3: -Plants and animals are both eukaryotic, meaning they have the ability to house membrane-bound organelles. Chloroplasts are required for producing chlorophyll from sunlight. Animals are incapable of performing photosynthesis because they lack these structures; only plant cells and certain protists contain chloroplasts.
Detailed explanation-4: -So, if the chloroplasts of a plant cell are damaged, it will be unable to make food for the cell (option B).