Page 77 - Biology - XII

Q18. What is the infection of Ascaris called?
Ans. Ascariasis

Q19. Who are mostly infected by Ascaris—children or adults?
Ans. Children
Q20. Diarrhoea is caused due to ____________ .
Ans. E. histolitica infection

COMPETENCY BASED QUESTIONS

Multiple Choice Questions

Q1. Malaria, a type of fever in human, is caused by

(a) Entamoeba (b) Plasmodium (c) Ascaris (d) E. coli
Q2. Trichophyton rubrum causes
(a) skin infection (b) malaria (c) amoebic dysentery (d) fever

Q3. Trichophyton rubrum is
(a) worm (b) pathogen (c) protozoan (d) pathogenic fungus

Q4. How does the ringworm infection take place?
(a) Mosquito bite (b) Unhygenic habit (c) Overeating
(d) Contaminated objects such as comb, towel, infected person, skin contact, pets

Q5. Ascaris, the roundworm belongs to phylum
(a) fungi (b) protozoa (c) nematoda (d) none of these

Q6. Malarial parasite is also known as
(a) Entamoeba histolytica (b) Entamoeba gingivalis
(c) Entamoeba coli (d) None of these

Q7. Trichophyton rubrum is commonly called
(a) ascaris (b) roundworm (c) ringworm (d) malarial parasite

Q8. Ascaris is called roundworm because
(a) of its round mouth (b) of its round coil
(c) of its round body (cylindrical) (d) of its round castings

Q9. Amoebic dysentery or Amoebiasis is caused by
(a) amoeba (b) ascaris (c) entamoeba (d) plasmodium

Q10. Infected area of human skin showing red, raised scaly patches with a ring-like appearance is
due to
(a) Ascaris lumbricoids (b) Plasmodium vivax
(c) Entamoeba histolytica (d) Trichophyton rubrum

Answer key

1. (c), 2. (c), 3. (c), 4. (d), 5. (b), 6. (c), 7. (a), 8. (d), 9. (d), 10. (d)

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