ISC (Arts) Class 12 - CISCE Important Questions

Answer the following question.
Write any two objectives of urban forestry.

Answer the following question.
State any two important aspects of environmental management.

(i) What is the Planning Region? 
(ii) Mention any two characteristics of a planning region.
(iii) Distinguish between multi-level planning and single-level planning.

State a difference between wet farming and dry farming. Give an example of each.

State any two conditions that are favourable for generation of power from the energy source shown above.

Briefly discuss the significance of this energy source in ensuring sustainable development.

The image given above shows a fossil fuel that has versatile uses. Mention any two of its uses.

State any two disadvantages of above fossil fuel.

Explain the following term briefly :
A Planning region

Answer the following question. 
State any two advantages of tourism in India. 

What were the main proposals of the Cabinet Mission Plan?

What led to the observance of Direct Action Day by the Muslim League, on August 16, 1946?

Discuss the consequences of the Indo-Pak war of 1971.

How did the fall of communism in East Europe impact the future of Germany, in October 1990?

In the context of the Middle East crisis, what is meant by the term Intifada?

Solve the differential equation  `dy/dx = (x + y+2)/(2(x+y)-1)`

The index number by the method of aggregates for the year 2010, taking 2000 as the base year, was found to be 116. If sum of the prices in the year 2000 is ₹ 300, find the values of x and y in the data given below

Using the matrix method, solve the following system of linear equations:

`2/x + 3/y + 10/z` = 4, `4/x - 6/y + 5/z` = 1, `6/x + 9/y - 20/z` = 2.

 If x=a sin 2t(1+cos 2t) and y=b cos 2t(1−cos 2t), find `dy/dx `

If y = e^ax. cos bx, then prove that

`(d^2y)/(dx^2) - 2ady/dx + (a^2 + b^2)y` = 0