List of top Questions asked in CBSE CLASS XII

Integrate the function: \(\frac {1}{\sqrt {1+4x^2}}\)

Integrate the function: \(\frac {1}{\sqrt {(x-a)(x-b)}}\)

Integrate the function: \(\frac {1}{\sqrt {8+3x-x^2}}\)

Integrate the function: \(\frac {1}{\sqrt {9-25x^2}}\)

What is sewage? In which way can sewage be harmful to us?

Integrate the function: \(\frac {1}{\sqrt {(x-1)(x-2)}}\)

Name any two species of fungus which are used in the production of the antibiotics.

Integrate the function: \(\frac {1}{\sqrt {7-6x-x^2}}\)

Integrate the function: \(\frac {1}{ {9x^2+6x+5}}\)

Integrate the function: \(\frac {1}{\sqrt {x^2+2x+2}}\)

In which way have microbes played a major role in controlling diseases caused by harmful bacteria?

Integrate the function: \(\frac {sec^2x}{\sqrt {tan^2 x+4}}\)

Name some traditional Indian foods made of wheat rice and bengal gram (or their products) which involve use of microbes.

Integrate the function: \(\frac {x^2}{\sqrt {x^6+a^6}}\)

Integrate the function: \(\frac {x-1}{\sqrt {x^2-1}}\)

Integrate the function: \(\frac {x^2}{1-x^6}\)

Integrate the function: \(\frac {3x}{1+2x^4}\)

In which food would you find lactic acid bacteria? Mention some of their useful applications.

Give examples to prove that microbes release gases during metabolism.

Bacteria cannot be seen with the nacked eyes but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence have microbes under a microscope which sample would you carry and why?

Integrate the function: \(\frac {1}{\sqrt {(2-x)^2+1}}\)

Integrate the function: \(\frac {3x^2}{x^6+1}\)

In your view what motivates youngsters to take to alcohol or drugs and how can this be avoided?

Find the integrals of the function: \(\frac{1}{cos(x-a)cos(x-b)}\)

Why is that once a person starts taking alcohol or drugs it is difficult to get rid of this habit? Discuss it with your teacher.