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Dried fruit like raisins, when soaked in water, bulge and get filled with water. What is the scientific reason that explains this daily life event? 

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Important Questions on Biology

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General Knowledge>General Science>Biology>Fundamentals of Biology
What is formed when helium atom loses one electron?
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Which of the following non-metal conducts electricity?
(A) Lead
(B) Wood charcoal
(C) Coal
(D) Diamond

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Which of the given below atomic numbers of elements resembles the chemical properties of Magnesium?

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The element with atomic number 57 belongs to _____:
 
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Which of these is an essential component of most acids?
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The suffix attached to a hydrocarbon chain ending with a ketone is _____:
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Sodium hydroxide reacts with _____ to form a solution of table salt:
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_____ element has the largest atom and _____ element has the smallest atom.
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How many moles of sulphuric acid are present in 25 gm?

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Which of the following is known as the 'King of Chemicals'?

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Catalyst is a substance that_____:

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 Which of the following metal is used in storage battery?
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Which one is not an allotropic form of carbon _____:
 
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The hormone produced in plants due to which the stem bends towards sunlight is _____:

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A chemical _____ is present in the cork cells to make them impervious to gases and water:
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Which of the following is a major component of German Silver?
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Which of the following statement(s) is/are CORRECT?
I. Carbon compounds linked by the only single bond are called saturated compounds.
II. Carbon Compounds having double or triple bonds are called unsaturated compounds.
III. Saturated carbon compounds are more reactive than unsaturated carbon compounds.
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Group _____ contain non–reactive gases(Noble Gases):
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Dry ice is_____.
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Which of the following is not a bleaching agent?

1. Sodium hypochlorite
2. Calcium hypochlorite
3. Hydrogen peroxide
4. Hydrogen sulphide