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CBSE Free Doubts and Solutions

CBSE - XI Science - Biology

1.Why do animal cells lack a cell wall while plants have it? 2.State the term for a cell which has more than 1 nucleus

Asked by pb_ckt 18th April 2019, 11:28 PM
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CBSE - XI Science - Biology

1.What is the quasi-fluid nature of lipids in the plasma membrane? 2.Explain glycosylation of protein and glycosidation of lipids.

Asked by pb_ckt 18th April 2019, 11:27 PM
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CBSE - XI Science - Biology

Why has plasma membrane been defined as protein icebergs floating in the sea of phospholipids?

Asked by pb_ckt 18th April 2019, 11:24 PM
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CBSE - VII - Comprehension and Composition

Module 1 solution BBC compacta class 7

Asked by Ramlalsavitasharma 18th April 2019, 11:23 PM
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CBSE - XI Science - Biology

Why do the non-polar tail of saturated hydrocarbons need protection from aqueous environment? (Reference from Plasma Membrane Structure)

Asked by pb_ckt 18th April 2019, 11:23 PM
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CBSE - XI Science - Biology

Define and state the function of the following: 1.Chromatophores 2.Non-unit membrane 3.Phagosomes 4.Fenestration

Asked by pb_ckt 18th April 2019, 11:21 PM
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CBSE - VIII - Science

How is rayon made?why is it called artificial silk?list it's important properties and uses.(long answer question)

Asked by bunnyrahul66 18th April 2019, 9:01 PM
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CBSE - VIII - Civics

all democratic countries are likely to have a constitution but it is not necessary that a constitution is only with a democratic country explain

Asked by shreyashece 18th April 2019, 8:38 PM
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CBSE - IX - Science

who invented microscope ?  

Asked by preetbhupi123 18th April 2019, 7:45 PM
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CBSE - IX - Economics

India is the second largest populated countries of the world but our countries has no such develpment according to its strength most of our citizen are liability .why ? Explain remediesfor their improvment  

Asked by ambattt 18th April 2019, 10:50 AM
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