ISC (Arts) Class 12 - CISCE Question Bank Solutions

Raj brought an immersion rod a few days back which stopped functioning. He went back to the shopkeeper and wanted the item to either be replaced or rectified by the shop. But the shopkeeper refused to entertain Raj’s plea and asked him to leave his shop. 

Which consumer right of Raj was violated? Enumerate any three responsibilities of a consumer in such situations.

While purchasing groceries in the local market, Radha realises that the same item is priced differently in every shop.

In the above context, explain the causes of price variation faced by Radha.

Name any two products which are made using Ikat fabric.

What type of colours and motifs are used on Ikat fabrics?

Describe the technique of making Patola fabric. Mention any two dyes which are commonly used to make Patola fabrics.

Priya, thirteen-year old girl, takes packed lunch to school. She notices that her food smells and tastes different by the lunch time. 

1. Suggest any three criteria of packing lunch to Priya to ensure way that her lunch stays fresh and healthy till the lunch time.     [3]
2. What kind of utensils should her lunch be packed in?     [2]
3. Suggest a healthy packed lunch for Priya.     [2]

Raj and Sarita are twins and have just turned thirteen. Both of them experience certain changes in their bodies.

Keeping the above context in view, answer the following questions.

1. State any two features of external physical changes that Raj and Sarita experience. List any one common physical change in them.     [3]
2. Explain the role of the endocrine system which causes such changes to take place.     [4]

Read the passage given below and answer the questions that follow.

Taranpreet is suffering from diabetes and consults a dietician. The dietician makes a diet chart for him.

1. List any two features of the diet chart made by the dietician.     [2]
2. Name two food items Taranpreet must avoid. Give a reason.     [2]
3. Plan a healthy breakfast for Taranpreet.     [3]

Aslam enjoys eating rice for his afternoon meals. While cooking rice, he has noticed that it often becomes soft and mushy.

With reference to the above statement answer the following questions:

1. List the reasons for the texture of the rice becoming soft and mushy.     [3]
2. State any two dishes made with rice and the methods of cooking used.     [2]
3. Is parboiled rice nutritious? Justify your answer.     [2]

Assertion: Crossed cheque is one in which two parallel lines are drawn on the upper left side of the cheque. 

Reason: This cheque cannot be encashed. It can only be deposited in the account of the drawee.

The binary operation *: R x R → R is defined as a *b = 2a + b Find (2 * 3)*4

A relation R on (1, 2, 3) is given by R = {(1, 1), (2, 2), (1, 2), (3, 3), (2, 3)}. Then the relation R is ______.

Let L be a set of all straight lines in a plane. The relation R on L defined as 'perpendicular to' is ______.

Statement 1: The intersection of two equivalence relations is always an equivalence relation.

Statement 2: The Union of two equivalence relations is always an equivalence relation.

Which one of the following is correct?

If a relation R on the set {a, b, c} defined by R = {(b, b)}, then classify the relation.

If the function `f(x) = sqrt(2x - 3)` is invertible then find its inverse. Hence prove that `(fof^(-1))(x) = x`

Let \[f\left(x\right) = x^3\] be a function with domain {0, 1, 2, 3}. Then domain of \[f^{-1}\] is ______.

Let A = R – {2} and B = R – {1}. If f: A `→` B is a function defined by f(x) = `(x - 1)/(x - 2)` then show that f is a one-one and an onto function.

Which one of the following graphs is a function of x?

Graph A	Graph B

If f : R `rightarrow` R is defined by `f(x) = (2x - 7)/4`, show that f(x) is one-one and onto.