09. List some harmful effects of microorganism?Q10. How can we control

1.	09. List some harmful effects of microorganism?Q10. How can we control the spread of diseases caused by mosquitoes?QII.Why does sugаr solution with yeast powder become alcoholic in taste?Q12.Megha, a class VIII student was asked to submit a project report on mosquito transmitteddiseases. She visited a nearby hospital where her aunt was staffed as a nurse. Her aunt took herto a patient suffering from malaria. Megha talked to the patient and asked him about his healthand also took some flowers for him.(a) Name the mosquito that spreads malaria.(b) What is the name given to such organisms that transmit the diseases from infected tohealthy persons?(c) How can we control the spread of diseases by mosquitoes?(d) Identify two important values as shown by Megha.Q13. Kushal's family is happy as he became a proud father to a baby girl. Upon a routine visitto the hospital, the doctor advised him not to skip the vaccination schedule. While discussingthe same at home, one of the family members suggested that vaccination is not necessary for agirl child. Kushal opposed this suggestion.(a) What is vaccination?(b) Name the scientist who prepared the first vaccine?(c) Critically comment upon Kushal'sviewpoint.
Answer» Answer 9 - HARMFUL effects of microorganisms: Bacteria: Causes various diseases such as typhoid, diarrhea, and cholera. Fungi: Causes a large number of diseases in plants and in animals such as rust diseases in plants, fruit ROT in apple, red rot in sugar cane and ring worm disease in HUMAN beings. Answer 10 - How to protect yourself from mosquito bites Use a safe and effective mosquito repellent: Wear loose fitting, light COLORED, long sleeved shirts and pants. Avoid outdoor activity, if possible, or be sure to wear repellent during PEAK mosquito feeding times:

09. List some harmful effects of microorganism?Q10. How can we control the spread of diseases caused by mosquitoes?QII.Why does sugаr solution with yeast powder become alcoholic in taste?Q12.Megha, a class VIII student was asked to submit a project report on mosquito transmitteddiseases. She visited a nearby hospital where her aunt was staffed as a nurse. Her aunt took herto a patient suffering from malaria. Megha talked to the patient and asked him about his healthand also took some flowers for him.(a) Name the mosquito that spreads malaria.(b) What is the name given to such organisms that transmit the diseases from infected tohealthy persons?(c) How can we control the spread of diseases by mosquitoes?(d) Identify two important values as shown by Megha.Q13. Kushal's family is happy as he became a proud father to a baby girl. Upon a routine visitto the hospital, the doctor advised him not to skip the vaccination schedule. While discussingthe same at home, one of the family members suggested that vaccination is not necessary for agirl child. Kushal opposed this suggestion.(a) What is vaccination?(b) Name the scientist who prepared the first vaccine?(c) Critically comment upon Kushal'sviewpoint.

Answer»

Answer 9 - HARMFUL effects of microorganisms:

Bacteria: Causes various diseases such as typhoid, diarrhea, and cholera.

Fungi: Causes a large number of diseases in plants and in animals such as rust diseases in plants, fruit ROT in apple, red rot in sugar cane and ring worm disease in HUMAN beings.

Answer 10 - How to protect yourself from mosquito bites

Use a safe and effective mosquito repellent:

Wear loose fitting, light COLORED, long sleeved shirts and pants.

Avoid outdoor activity, if possible, or be sure to wear repellent during PEAK mosquito feeding times:

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