Antibiotics

Q.

What are antibiotics ? Name any two examples.

Q.

What is the medicinal use of microbes?

Q.

Difference between broad spectrum and narrow spectrum antibiotics??

Q. Which of the following are narrow spectrum antibiotics?

1. Penicillin
2. Gentamycin
3. Amoxicillin
4. Erythromycin

Q.

Who discovered penicillin?

Q.

Name some antibiotics and their source of the fungus.

Q.

The examples of multicellular organisms are

1. algae, bacteria

2. bacteria, fungi

3. bacteria, viruses

4. algae, fungi

Q.

Among the following, the narrow-spectrum antibiotic is-

1. Penicillin G

2. Ampicillin

3. Amoxicillin

4. Chloramphenicol

Q.

What are the three medically important Fungi?

Q.

Why are antibiotics not effective for viral diseases? [2 MARKS]

Q.

Why cant antibiotics kill viruses?

Q.

What are the 4 steps of pharmacokinetics?

Q.

What is an antibiotic? Give two examples.

Q.

How can foreign DNA be inserted into cells?

Q.

Unscramble the jumbled words underlined in the following statements:

(a) Cells of our body produce santiidobe to fight pathogens.

(b) curbossulite is an air-borne disease caused by a bacterium.

(c) Xanrhat is a dangerous bacterial disease.

(d) Yeasts are used in the wine industry because of their property of meronettinaf.

Q. Penicillin does not have any affect on human cells. Why?

1. Human cells don't have cell wall.
2. Human cells cannot be destroyed by any chemical.
3. Human cells destroy penicillin.
4. Human cells mimic penicillin.

Q.

Antibiotics are mostly produced from _____.

1. Bacteria

2. Virus

3. Fungi

4. Protozoa

Q. The substance obtained from micro-organisms, that are used to kill or stop the growth of other disease-causing microorganisms, are known as __________.

1. antibiotics
2. antibodies
3. antiseptics
4. antigens

Q.

Do bacteria have cilia?

Q. What is dysentry

Q.

Why do antibiotics not work against viral infections?

Q.

What is the application of Clostridium butylicum?

Q. Mycoplasma differ from viruses in that they are sensitive to
​​​​1. Penicillin
2. tetracyclines
3. Sugars
4. amino acids
Choose the correct answer and give reason for your answer.

Q.

How are antibiotics made?

Q. Which of these antibiotics is made from bacteria?

1. Streptomycin
2. Tetracycline
3. Vancomycin
4. All of the above

Q.

How does penicillin kill bacteria?

1. Penicillin inhibits protein synthesis.

2. Penicillin prevents cell wall formation.

3. Penicillin interferes with the bacterial metabolism.

4. Penicillin makes holes in the cell membrane

Q. Which of the following is/are broad spectrum antibiotics ?

1. Tetracycline
2. Gentamycin
3. Amoxicillin
4. Erythromycin

Q.

Match the items in Column A with those in Column B.

$\begin{array}{c}\\ ColumnAColumnB\\ \left(i\right)Penicillium\left(a\right)Pigeon\\ \left(ii\right)Diplococci\left(b\right)Snake\\ \left(iii\right)Streptococci\left(c\right)Bacteriaoccurringinpairs\end{array}$

Q.

Do fungi kill bacteria?

Q. Name the scientist who discovered penicillin?