Why would multicellular organisms face problems without a transport system?
Answer and explanation
Correct answer: Food and oxygen could not reach all cells, nor could wastes be removed
The governing concept is transport in multicellular life. Cells deep inside a large organism are far from the external environment, so diffusion alone is too slow to deliver oxygen and nutrients or remove carbon dioxide and other wastes. Circulatory or vascular systems move materials over these distances. Therefore option A is correct; the other choices contradict basic cellular requirements and organism structure.
Frequently asked questions
What is the correct answer to this question?
Food and oxygen could not reach all cells, nor could wastes be removed
Why is this the correct answer?
The governing concept is transport in multicellular life. Cells deep inside a large organism are far from the external environment, so diffusion alone is too slow to deliver oxygen and nutrients or remove carbon dioxide and other wastes. Circulatory or vascular systems move materials over these distances. Therefore option A is correct; the other choices contradict basic cellular requirements and organism structure.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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