Buyers often complain that a particular fruit merchant uses some chemical to ripen fruits in his shop.
Name the chemical he must be using to do so.

Swati's father wanted to go to the hospital to see his ailing friend. Swati insisted to accompany his father. On reaching the hospital, swati noticed a perculiar smell. after reading the above passage, answer the following questions: (i) Name the chemical which causes the hospital smell. (ii) What is the use of this chemical and how does it work?

Answer the following : (i) Name a drug in case of mental depression. (ii) Write the names of some antacids. (iii) Write the name of chemicals used in food. (iv) Give four examples of anti-histamines. (v) Name the medicines which can act as both analgesic as well as an antipyretic. (vi) Name the main species responsible for malaria. (vii) Which alkaloid is used for : (a) Hypertension , (b) Malaria fever (c ) Severe pain , (d) Dilation of eyes (viii) Write two examples of macromolecules that are chosen as drug targets. (xi) Name one estrogen which forms a part of an oral contraceptive. Give the composition of one oral contraceptive.

Mary Garden, a noted opera singer, earned a great deal of money during her career, but was constantly bothered by the demands of her father for money and always in large sums. Miss Garden would always give it to him, though often she would often complain that his requests seemed somewhat unreasonable. To this the stock reply was that he needed the money for a very special project. She was not going to refuse her father, was she? During the depression Miss Garden, like many others, lost her money in the stock market crash. Shortly afterward, her father died, and, much to her surprise, she was notified that he had left a large bank account in her name. He had saved for her every cent she had given him. The demands God makes on us may seem hard at times. But all the while, he is actually helping us to store up an 'eternal bank account' in heaven-one which may el balance the scales in our favour when we least expect it. Troubles are often the instruments by which God fashions us for better things. God at times, makes hard demands so that He_______ when we least expect it.

Mary Garden, a noted opera singer, earned a great deal of money during her career, but was constantly bothered by the demands of her father for money and always in large sums. Miss Garden would always give it to him, though often she would often complain that his requests seemed somewhat unreasonable. To this the stock reply was that he needed the money for a very special project. She was not going to refuse her father, was she? During the depression Miss Garden, like many others, lost her money in the stock market crash. Shortly afterward, her father died, and, much to her surprise, she was notified that he had left a large bank account in her name. He had saved for her every cent she had given him. The demands God makes on us may seem hard at times. But all the while, he is actually helping us to store up an 'eternal bank account' in heaven-one which may el balance the scales in our favour when we least expect it. Troubles are often the instruments by which God fashions us for better things. Mary's father had all the money he took from her.

Mary Garden, a noted opera singer, earned a great deal of money during her career, but was constantly bothered by the demands of her father for money and always in large sums. Miss Garden would always give it to him, though often she would often complain that his requests seemed somewhat unreasonable. To this the stock reply was that he needed the money for a very special project. She was not going to refuse her father, was she? During the depression Miss Garden, like many others, lost her money in the stock market crash. Shortly afterward, her father died, and, much to her surprise, she was notified that he had left a large bank account in her name. He had saved for her every cent she had given him. The demands God makes on us may seem hard at times. But all the while, he is actually helping us to store up an 'eternal bank account' in heaven-one which may el balance the scales in our favour when we least expect it. Troubles are often the instruments by which God fashions us for better things. Mary's father made demands for

Mary Garden, a noted opera singer, earned a great deal of money during her career, but was constantly bothered by the demands of her father for money and always in large sums. Miss Garden would always give it to him, though often she would often complain that his requests seemed somewhat unreasonable. To this the stock reply was that he needed the money for a very special project. She was not going to refuse her father, was she? During the depression Miss Garden, like many others, lost her money in the stock market crash. Shortly afterward, her father died, and, much to her surprise, she was notified that he had left a large bank account in her name. He had saved for her every cent she had given him. The demands God makes on us may seem hard at times. But all the while, he is actually helping us to store up an 'eternal bank account' in heaven-one which may el balance the scales in our favour when we least expect it. Troubles are often the instruments by which God fashions us for better things. Mary ___ to the demands of her father.

Sonia went to the market along with her mother to buy fruits. She saw the fruit dealer putting small quantity of some powder wrapped in a paper in each wooden pack containing unripe mangoes. On enquiry, the fruit dealer told him that the powder is specific chemical which will help the mangoes to ripe early. Sonia was not convinced and he discussed the incidence with his class teacher the next day. Name the chemical that fruit dealer had kept in wrapped paper in each box.