A sample of drinking water was found to be severely contaminated with chloroform. CHCl_(3) , supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass). Express this is percent by mass.
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?
What is glucagon? What is its function?
What is alternation of generation. What are the significance ?
