Question

Q5. Answer the following questions in one sentence.
1. Who and when developed a Braille system?
2. Who discovered cell?
3. Which bacteria converted milk into curd?
4. Who discovered the vaccine for small pox?​

Answer 1

Explanation:

4.edward Jenner

3. lactobacillus

Answer 2

Answer:

1. Louis Braille, who was blinded at the age of three, invented the system in 1824 while a student at the Institution Nationale des Jeunes Aveugles (National Institute for Blind Children), Paris.

2. Robert Hooke

3. Lactobacillus

4. The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed.

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