1. Earthworm belongs to class
a. polychaeta b. oligochaeta
c. hirudinea d.archiannelida
2. earthworm is
a. arborial b.abssal
c. fussorial d.volant
a.herbivorous b. carnivorous
c. nocturnal and carnivorous d. nocturnal and omnivorous
a. coelomate b. metamericully segmented
c. prostomate d. all of above
ans.
3.the segment of earthworm bear in mouth is
a. prostomium b.peristomium
c.clitellar d. buccal cavity
4. 1st and last segment of earthworm is called
a.prostomium and urostyle b.pygidium and peristomium
c.peristomium and pygidium d.urostyle and pygidium
5.septa are absent in
a.8-12 b.17—21
c.1-4 d. 14-16
6.lateral and lateral oesophagus heart occurs in ……..segment
a. 12,13and 7,9 b.7,9 and 12,13
c.5,7 and 7,9 d. 26,50 and 200,300
7. setae in earthworm are found in all segment except
a. 1st,last and citeller reigion
b.1st last and cliteller
c. 1st and last
d. none of the above
8.brain of earthworm lies in which segment ?
a.2nd b.3rd
c.4th d. 5th
9. integumentary nephridia is found in
a.all segment b. all segment except 2or 3
c. only 2 and 3 d. 4,5 and 6 segment
10. septal nephridia in earthworm is occurs in
a. 4,5,and 6 segment b. 5 to last segment
c. 14,15 and 16 segment d. 1st three segment
11. blood glands are found in
a.cliteller region b. 4,5 and 6 segment
c. all segment d. 1st 3 segment
12. A skeleton like function during locomotion is perfered in earthworm
a. blood b. ventral nerve cord
c. typhosole d. colemic fluid
13. haemoglobin in earthworm is dissolved in
a. coelom b. blood
c. plasma d.absent
14. coelom in earthworm is
a. schizocoelom b. interocoelom
c. both a and b d. pseudocoelom
15. chloragogen cell of earthworm are analogous to vertebrate's
a. liver b. kidney
c. lungs d. gut
16. Chloragogen cells are for
a. excretion of water b. fat storage a. excretion b.respiration
c. phagocytosis d. digestion c. phagocytosis d. digestion
17. Cuticle of earthworm is secreted by
a. peritneum b. muscular layer
c. epidermis d. hypodermis
18. Earthworm moves with the help of
a. setae b. muscules a. mucus b. segmentation of body a. extension b. anchorage
c. setae and muscule d. parapodia c. clitellum d. setae c. contraction d. all
19. Porphyrin in the earthworm is found in
a. circular muscules b. cuticle
c. both a and b d. longitudinal muscule
20. Saliva of the earthworm contains
a. mucus b. ptylain
c. mucus and proteases d. only proteases
21. In earthworm the effective organ for digestion is
a.mouth b. buccal cavity
c. pharynx d. stomach
22. Part of the alimentary canal lined by cuticle is
a. stomach b. intestine
c. gizzard d. pharynx
23. Longitudinal muscule fibre is absent in
a. mouth b. stomach
c. gizzard d. intestine
24. The excretory product in earthworm is
a. ammonia and urea b. ammonia
c. urea c. uric acid
25. Origin of nephridia in earthworm is
a. ectodermal b. endodermal
c. mesodermal d. none of the above
26. Nephridia with nephrostome is
a. integumentary b. septal
c. pharyngeal d. both a and c
27. Which of the following is or are enteronephric nephridia?
a. integumentary nephridia b. pharyngeal nephridia
c. septal nephridia d. both b and c
28. Smallest and most numerous type of nephridia is
a. septal b. pharyngeal
c. integumentary d. none
29. In the earthworm the enteronephric nephridia open in
a. body surface b. testes sacs
c. alimentary canal d. coelom
30. In earthworm which nephridia forms forest of nephridia in which region?
a. septal and clitellar region b. integumentary and intestinal region
c. integumentary and clitellar region d. pharyngeal and buccal cavity
31. Copulation in the earthworm occurs in
a. day in rainy season b. night in rainy season
c. night in water d. night in summer season
32. The function of spermatheca in earthworm is
a. produce sperm during copulation for storage
b. receive sperm during copulation for storage
c. receive egg for fertilization
d. secrete coccon
a. protection of sperms b. generation of sperms
c. stimulation of ovum d. storing of sperms
33. A coccon of earthworm contains
a. one fertilized egg b. two fertilized egg
c. many fertilized eggs d. none
34. Blood circulation in earthworm is
a. open type b. closed type
c. portal type d. none
35. Photorecptors in earthworm occurs in
a.epidermis of ventral body wall b. epidermis of dorsal body wall
c. skin of prostomium d. skin of peristomium
36. The main distrubutive blood vessel is
a. dorsal blood vessel b. ventral blood vessel
c. supra oesophageal blood vessel d. anterior loop
37. Each segmental ganglia in earthworm gives rise to
a. single nerve fibre b. three nerve fibre
c. three pairs of nerve fibre d. none
38. Brain in earthworm is formed by
a. sub pharyngeal gangila b. infrapharyngeal ganglia
c. supra pharyngeal ganglia d. all of the above
39. Nephridia brings all the waste product from
a. gut b. coelom
c. clitellum d. prostomium
40. When an earthworm is made dry it dries due to
a. hypoxia b. asphyxia
c. pheumonia d. starvation
41. Nerve chord in earthworm is
a. single ventral solid b. single dorsal hollow
c. double ventral solid d. double dorsal hollow
42. The part of spermatheca that helps in the nourishment of spermatozoa is
a. ampula b. diverticulum
c. both d. none
43. Salivary gland in the earthworm is found in
a. dorsal wall of buccal cavity b. ventral blood vessel
c. roof of pharyngeal wall d. none