Question

Q7. List few differences between Antibiotics and
Antibodies?
Q8. List some harmful effects of microorganism?
Q9. How can we control the spread of diseases caused by mosquitoes?​

Answer 1

$\red{\boxed{\mathfrak\colorbox{grey}{Answer}}}$

Q7) Answer in Attachment ✓

Q8) 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.

• Q9) Don't keep free-standing water around your house or in your backyard. Mosquitoes lay their eggs in standing water. ...
• Make sure your windows and doors are closed tightly. ...
• If you are going to any area that has a high prevalence of mosquitoes, be sure to wear long sleeves, pants and shoes with socks.
• Use insect repellent.

Answer 2

$\sf \pink{Q7.}$

List few differences between Antibiotics and

Antibodies?

${\red{\underline{\sf{Answer}}}}$

• Antibiotics- A substance/drug used to treat bacterial infections. They have no effect on viral infections. Generally, an antibiotic was a substance produced by one micro-organism that selectively inhibits the growth of another. Synthetic antibiotics produced are chemically related to natural antibiotics.

• Antibodies: Also called immunoglobulins are Y-shaped proteins that are produced by the immune system to help stop foreign substances from harming the body. These foreign substances can be viruses, bacteria or other chemicals.

$\sf \pink{Q8.}$

List some harmful effects of microorganism?

${\red{\underline{\sf{Answer}}}}$

Harmful effects of microorganisms are as follows:-

• Some certain bacterias cause different types of diseases such as typhoid, cholera, diarrhoea etc .
• Some fungi cause various types of diseases in plants and animals.
• Algae that grow near water source, can be very harmful. When they die , they release very poisonous substances which may kill the aquatic organisms.
• Some protozoans cause Pyorrhoea , sleeping sickness etc .
• Some viruses cause small pox, hepatitis, flu , rabies etc.

$\sf \pink{Q9.}$

How can we control the spread of diseases caused by mosquitoes ?

${\red{\underline{\sf{Answer}}}}$

• We have approximately 50 different species of mosquitoes living in Minnesota but only a few species are capable of spreading disease to humans. For example:

• Culex tarsalis is the main vector that spreads West Nile virus to Minnesotans.La Crosse virus is spread to humans by the tree-hole mosquito, Aedes triseriatus.Jamestown Canyon virus is likely spread by several different species of Aedes mosquitoes in Minnesota.

• Mosquito species such as Aedes aegypti and Aedes albopictus are associated with warmer climates and are not currently established in this state. Minnesota residents who travel to tropical and subtropical areas may be at risk for mosquitoborne diseases such as dengue, chikungunya, yellow fever, and Zika virus.

• In addition, people who travel to certain areas of South America, Africa, and South Asia may be at risk for malaria which is a serious disease that is transmitted by Anopheles mosquitoes.

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