Microorganisms friends and foe Worksheet-5
Multiple Choice Questions:
Malaria is caused by
(A) Plasmodium (B) Salmonella
(C) Lactobacillus (D) Clostridium
Which bacteria leads to the curdling of milk?
(A) Plasmodium (B) Salmonella
(C) Lactobacillus (D) Clostridium
Which of the following helps in nitrogen fixation?
(A) Plasmodium (B) Salmonella
(C) Lactobacillus (D) Clostridium
Which of the following bacteria resides in root nodules of leguminous plants?
(A) Rhizobium (B) Salmonella
(C) Lactobacillus (D) Clostridium
Which of the following is a plant disease?
(A) Citrus canker (B) Anthrax
(C) Foot and mouth (D) Measles
Which of the following is animal disease in cattle?
(A) Citrus canker (B) Anthrax
(C) Malaria (D) Measles
Which of the following is not a bacterium?
(A) Plasmodium (B) Lactobacillus
(C) Streptococcus (D) Rhizobium
Who discovered small pox vaccine?
(A) Alexander Fleming (B) Edward Jenner
(C) Robert Koch (D) Watson
Who discovered penicillin?
(A) Alexander Fleming (B) Edward Jenner
(C) Robert Koch (D) Watson
Carrier of dengue fever is
(A) Housefly (B) Anopheles mosquito
(C) Culex mosquito (D) Flea
Answer key:
(A)
(C)
(D)
(A)
(A)
(B)
(A)
(B)
(A)
(C)
