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Kingdom Animalia

When kidney b...

Question

When kidney beans are soaked overnight in water, they swell. Explain
for this question the answer given is osmosis cant it be hypotonic solution?

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Solution

When kidney beans are kept in hypotonic solution (water), the water enters the beans from outside due to endosmosis causing them to swell.

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Q. Khushi wanted to eat rice and kidney bean (rajmah). She requested her mother to cook the same for lunch tomorrow. At night her mother took a cup of kidney bean and put them in a container having some water. She kept the container covered overnight. Next morning, she cooked rice and kidney beans for lunch. Khushi inquired her mother the following questions:
(a) Why did she soak kidney beans in water overnight?
(b) Name the scientific phenomenon involved in above process.
(c) Name at least one more food item that is cooked in this way.

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Which one of the following is an assumption required by the argument?

Q. Long Answer Questions :
Raisins swell in water and grapes shrink in syrup. Explain this phenomenon briefly.

Why doesn't fish cells swell out when exposed to a hypotonic solution?

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