Earthworms Multiple Choice Questions and Answers for Practice

16. Region of Earthworm which is forest of nepphridia is

1. Clitellar region
2. Pharyngeal region
3. Typhlosolar region
4. Intestinal reagion

17. Role of typhlosole in the intestine of earthworm is

1. to increase absorptive surface
2. to control flow of blood
3. to produce digestive enzymes
4. to kill bacteria

18. Salivary gland in earthworm is found in

1. pharyngeal wall
2. ventral wall of buccal cavity
3. dorsal wall of buccal cavity
4. none of the above

19. The colour of body in earthworm is brown due to presence of

1. blood
2. haemoglobin
3. haemocyanin
4. porphyrin

20. The colour of the body in earthworm is brown due to the presence of

1. Porphyrin
2. Haemoglobin
3. Blood
4. Haemocyanin

21. The first body segment of earthworm is

1. Peristome
2. Peristomium
3. Protostomium
4. Protostome

22. The mode of respiration in earthworm is

1. Cutaneous
2. Gills
3. Pulmonary
4. Subcutaneous

23. The nephridia of earthworm without nephrostomes are

1. Integumentary
2. Pharyngeal
3. septal
4. both a and c

24. The parasite found in the seminal vesicle of earthworm

1. Monocystis
2. Nosema
3. Sarcocystis
4. Nyctotherus

25. The typhlosole in earthworm is related with

1. Excretion
2. Absorption
3. Respiration
4. Reproduction

26. Which of the following nephridia are not found in earthworm?

1. macro nephridia
2. septal nephridia
3. phayngeal nephridia
4. integumentary nephridia

27. Which one of the following species of earthworm is not recommended for vermicomposting?

1. Eudrilus eugeniae
2. Eisenia fetida
3. Pheretima posthuma
4. Perionyx excavatus