Explain the roles of the following with the help of an example each in recombinant DNA technology:
(a) Restriction Enzymes
(b) Plasmids
Medically it is advised to all young mothers that breastfeedings is the best for their newborn babies. Do you agree? Give reasons in support of your answer.
Yes, i do agree with the fact that breastfeeding is the best for newborn babies.
Mammary glands start producing milk at the end of pregnancy. The milk produced during the initial few days and lactation is called COLOSTRUM which contains several antibodies.
It helps in developing resistance for a newborn baby. It helps the baby fight of viruses and bacteria. Thus breast milk is packed with a disease-fighting substance that protects your baby from illness.
Breast milk also naturally contains many of the vitamins and minerals that a newborn requires. Also, it is easily digested - no constipation, diarrhoea and upset stomach.
Looking at the deteriorating air quality because of air pollution in many cities of the country, the citizens are very much worried and concerned about their health. The doctors have declared a health emergency in the cities where the air quality is very severely poor.
(a) Mention any two major causes of air pollution.
(b) Write the two harmful effects of air pollution on plants and humans.
(c) As a captain of your school Eco-club, suggest any two programmes you would plan to organise in the school so as to bring awareness among the students on how to check air pollution in and around the school