Give the effect of heat on protein and fat. Discuss two ways by which the nutritive value of food can be enriched without extra cost.

How can you increase the nutritive value of a food substance at home easily and without cost?

Fertilization is essential for the production of seed, but in some angiosperms seeds develop without fertilization. (a)Give an example of an angiosperm that produces seeds without fertilization. Name the process. (b)Explain the two way by which seeds develop without fertilization.

The transformation of A to B can be carried out by the following two ways in which the initial and final states are identical. (1) A=overset(DeltaH=-xkJ)toB , (2) Aoverset(DeltaH=-ykJ)toCoverset(DeltaH=?)toB , What will be the value of DeltaH during the transformation of C to B?

After watching a programme on TV about the presence of caricinogens (cancer causing agents) potassium bromate and potassium iodate in bread and other bakery products, Ritu a class XII student decided to aware others about the adverse effects of these carcinogens in foods, She consulted the school principal and requested him to instruct the canteen contractor to stop selling sandwiches, pizzas, burgers, and other bakery products to the students. The principal took an immediate action and insturcted the canteen contractor to replace the bakery product with some proteins and vitamins rich food like fruits, salads, sprouts etc. The decision was welcomed by the parents and students. Give two example of water soluble vitamins

After watching a programme on TV about the presence of caricinogens (cancer causing agents) potassium bromate and potassium iodate in bread and other bakery products, Ritu a class XII student decided to aware others about the adverse effects of these carcinogens in foods, She consulted the school principal and requested him to instruct the canteen contractor to stop selling sandwiches, pizzas, burgers, and other bakery products to the students. The principal took an immediate action and insturcted the canteen contractor to replace the bakery product with some proteins and vitamins rich food like fruits, salads, sprouts etc. The decision was welcomed by the parents and students. What are the values (at least two) displayed by Ritu?

After watching a programme on TV about the presence of caricinogens (cancer causing agents) potassium bromate and potassium iodate in bread and other bakery products, Rupali a class XII student decided to aware others about the adverse effects of these carcinogens in foods, She consulted the school principal and requested him to instruct the canteen contractor to stop selling sandwiches, pizzas, burgers, and other bakery products to the students. The principal took an immediate action and insturcted the canteen contractor to replace the bakery product with some proteins and vitamins rich food like fruits, salads, sprouts etc. The decision was welcomed by the parents and students. What are the values (at least two) displayed by Rupali?

A class has three teachers, Mr. P , Ms. Q, and Mrs. R and six students A,B,C,D,E,F. Number of ways in which they can be seated in a line of 9 chairs, if between any two teachers there are exactly two students, is k !(18), then value of k is ________.

A dietician wishes to mix together two kins of food X and Y in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one kg food is given below: On kg of food X costs Rs. 16 and one kg of food Y costs Rs. 20. Find the least cost of the mixture which will produce the require diet?

Let P_n denotes the number of ways in which three people can be selected out of 'n' people sitting in a row, if no two of them are consecutive. If P_(n+1)- P_n=15 then the value of 'n is____.