CBSE Class 12-science Questions and Answers

Adequate preparation for Class 12 Science subjects also gives you an edge if you want to pursue engineering or medicine-related courses in reputed colleges in India. The reason is, your Class 12 Science syllabus topics are part of the syllabus of competitive exams like JEE or NEET. You can find all the necessary resources for your Class 12 exam preparation along with JEE and NEET prep e-learning materials on TopperLearning.

Now, you can quickly revise Class 12 topics with our complete textbook solutions for NCERT CBSE Class 12 Science. Our Class 12 textbook solutions cover subjects such as Physics, Biology, Chemistry, Mathematics and Hindi. For extra practise, our textbook solutions also consist of free RD Sharma solutions for Class 12 Mathematics. Study thoroughly by using our model answers that are created by subject experts, as per your latest Class 12 Science syllabus and exam guidelines.

Browse through our CBSE Class 12 Science resources and add these resources to your study plan as required. Practise questions from CBSE Class 12 Science Mathematics a little more or revise the most important questions in Physics multiple times. And if you come across difficulties, ask your questions through our ‘Undoubt’ section to get the necessary answers. This way, preparing for your exam with some of the best Class 12 study materials right here on TopperLearning can support you in achieving the desired score in your board exam.

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CBSE XII Science - Physics

Two spherical conductors A and B are having charge densities  σA and  σB respectively. If they are joined by a thin wire then what will be the ratio of charge densities finally if the radii are rA and rB. 

Asked by hitanshu04 | 17th May, 2021, 09:09: PM

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CBSE XII Science - Biology

how many types of mutations?

Asked by goyalpavitarta | 16th May, 2021, 12:26: PM

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CBSE XII Science - Physics

Amongst Iron, Chromium, Mercury & Manganese - which has the highest electrical resistivity at 20 degrees celcius?

Asked by konark411014 | 15th May, 2021, 10:26: PM

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CBSE XII Science - Physics

Draw a graph indicating the variation of resistivity of a semiconductor with temperature

Asked by Ramvikassv | 14th May, 2021, 11:14: PM

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CBSE XII Science - Physics

A simple pendulum is having bob of mass m carrying a charge q and is hanging from ceiling. A uniform electric field E is applied in downward direction then time period of simple pendulum is.

Asked by ruchiaggarwal083 | 12th May, 2021, 08:47: AM

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CBSE XII Science - Biology

Is Michelia an example of Protogynous condition

Asked by chowdhuryaftabhossain786 | 12th May, 2021, 08:14: AM

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CBSE XII Science - Biology

Explain the various phases of menstrual cycle with reference to changes in ovary and uterus and hormonal cycle

Asked by nayanmanilaskar437 | 10th May, 2021, 09:58: PM

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CBSE XII Science - Chemistry

which ionic compound shows both frenkle and schottky defect

Asked by apoorvaks26 | 10th May, 2021, 09:24: AM

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CBSE XII Science - Physics

Can we use the formula electric flux is equal to  E×A cos theta

Asked by jayasartasarta995 | 9th May, 2021, 10:32: PM

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CBSE XII Science - Chemistry

vapour pressure of solution of urea is 736.2 mm at 100 degress celsius calculate osmotic pressure of this solution at 15 degress celsius.  

Asked by dhrubajyoti.das | 9th May, 2021, 09:54: PM

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