LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
18 views
in Biology by (110k points)
closed by

Consider the following columns A and B in which some names of scientists are given in Column A and the discoveries made by them are given in Column B.

Column A

Column B

a. Alexander Fleming

i. Bacillus anthracis

b. Edward Jenner

ii. Fermentation

c. Louis Pasteur

iii. Lacobacillus

d. Robert Koch

iv. Penicillin

 

v. Small pox vaccine

 

The correct match of the items of Column A with that of Column B is:


1. (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
2. (a) - (iv), (b) - (v), (c) - (ii), (d) - (i)
3. (a) - (v), (b) - (iv), (c) - (iii), (d) - (i)
4. (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

1 Answer

0 votes
by (59.9k points)
selected by
 
Best answer
Correct Answer - Option 2 : (a) - (iv), (b) - (v), (c) - (ii), (d) - (i)

The correct match is (a) - (iv), (b) - (v), (c) - (ii), (d) - (i)

Explanation:

Column A

Column B

a. Alexander Fleming

iv. Penicillin 

b. Edward Jenner

v. Smallpox vaccine

c. Louis Pasteur

ii. Fermentation 

d. Robert Koch

i. Bacillus anthracis
  • Alexander Fleming - 
    • In 1929, Alexander Fleming was working on a culture of disease-causing bacteria.
    • Suddenly he found the spores of a little green mould in one of his culture plates.
    • He observed that the presence of mould prevented the growth of bacteria.
    • In fact, it also killed many of these bacteria. From this, the mould penicillin was prepared.
  • Edward Jenner -
    • Edward Jenner discovered the vaccine for smallpox in 1798.
    • It is also considered to be the first vaccine ever. 
    • Small Pox is caused due to Variola Virus.
  • Robert Köch  -
    • Robert Köch (1876) discovered the bacterium (Bacillus anthracis) which causes anthrax disease
  • Louis Pasteur -
    • He discovered fermentation in 1857.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...