Match the organisms in Column I with the | Class 8 Science Chapter Microorganisms: Friend and Foe, Microorganisms: Friend and Foe NCERT Solutions

Question:

Match the organisms in Column I with their action in Column II.
      Column I                           Column II
  (i) Bacteria                       (a) Fixing Nitrogen
  (ii) Rhizobium                  (b) Setting of curd
  (iii) Lactobacillus             (c) Baking of bread
  (iv) Yeast                         (d) Causing Malaria
  (v) A protozoan               (e) Causing Cholera
  (vi) A Virus                      (f) Causing AIDS
                                          (g) Producing antibodies

Answer:

Column I                                               Column II

(i) Bacteria                                           (e) Causing Cholera

(ii) Rhizobium                                      (a) Fixing Nitrogen

(iii) Lactobacillus                                  (b) Setting of curd

(iv) Yeast                                              (c) Baking of bread

(v) A protozoan                                    (d) Causing Malaria

(vi) A Virus                                            (f) Causing AIDS

  • Cholera is a water born disease which is spread by drinking impure water.
  • In soil, some bacteria are present like Rhizobium which fixes the nitrogen and increases the fertility of the soil.
  • Setting of curd is occur due to the presence of Lacto bacillus bacteria. It converts milk into curd.
  • Baking of bread is occurs in the presence of yeast. Growth of yeast cell increases the size of the dough.
  • Malaria is caused by a protozoan. The carrier of malaria caused protozoan is female Anopheles mosquito.
  • AIDS is caused by a virus. This disease is caused by the sexual intercourse. 


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Microorganisms: Friend and Foe.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Comments

Comment(s) on this Question

Welcome to the NCERT Solutions for Class 8 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 3: Match the organisms in Column I with their action in Column II.       Column I ....