Microorganisms friends and foe Worksheet-8

Microorganisms friends and foe Worksheet-8

Multiple Choice Questions:

41. Streptomycin, tetracycline and erythromycin are-

(A)Vaccine        (B) Treatment  (C) Antibiotics  (D) None

42. In presence of microorganism, human body produces-

(A) Antibiotics                              (B) Antibodies

(C) Vaccine                                    (D) All

43. Insertion of weak and dead microorganism to defend diseases is called-

(A) Antibiotics                               (B) Antibodies

(C) Vaccine                                    (D) All

44. For which of the following disease vaccination is available?

(A) Flu                (B) Dysentery   (C) AIDS            (D) Hepatitis

45. Which of the following is/are application/s of microorganisms?

(A) Cleaning the environment

(B) Increasing soil fertility

(C) Production of vaccine

(D) All

46. Disease spread from infected person to healthy person through air, water and food called as-

(A) Infectious disease                  (B) Communicable disease

(C) Both                                          (D) None

47. Which of the following is a carrier of pathogen?

(A) Amoeba      (B) Rhizobium (C) House fly    (D) Fungus

48. Which of the following is a carrier of malaria parasite?

(A) Amoeba                                   (B) Rhizobium

(C) House fly                                 (D) Female Anopheles Mosquito

49. Which of the following is a dangerous human and cattle disease caused by a bacterium?

(A) Polio            (B) AIDS            (C) Anthrax       (D) Malaria

50. Which is the negative impact of microorganism on human life?

(A) Soil fertility                             (B) Brewing industry

(C) Food poisoning                      (D) None

Answer key:

41. (C)

42. (B)

43. (C)

44. (D)

45. (D)

46. (B)

47. (C)

48. (D)

49. (C)

50. (C)