After watching a programme on TV about the presence of carcinogens (cancer causing agents) Potassium bromate and Potassium iodate in bread and other bakery products, Rupali a class XII student decided to make other aware about the adverse effects of these carcinogens in food. she consulted the school principle 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 ad instructed the canteen contractor to replace the bakery products with some protein and vitamin rich food like fruits, salads, sprouts, etc. The decision was welcomed by the parents and the students.
After reading the above passage, answer the following questions:
(a) What are the values (at least two) displayed by Rupali?
(b) Which polysaccharide component of carbohydrates is commonly present in bread?
(c) Write the two types of secondary structures of proteins?
(d) Give two examples of water soluble vitamin.

Explanation

(i) Ritu is having scientific attitude and she is having critical thinking, social responsibility
(ii) Starch
(iii) Secondary structure of proteins are of two types:
(i) `alpha-`helix (ii) `beta`-pleated structure
(iv) Water soluble vitamins are vitamin B-complex and vitamin C