Earthworms MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. In Earthworm, genital papillae occur in segments

1. 16 and 17
2. 16 and 18
3. 17 and 19
4. 17 and 18

12. In earthworm, ovary is situated in segment

1. 13
2. 9
3. 10
4. 26

13. Major nitrogenous excertory material of Earthworm by

1. Uric acid
2. Ammonia
3. Urea
4. Amino acids

14. Male genital aperture of earthworms is located in the segment

1. 13
2. 14
3. 19
4. 18

15. Occurrence of Earthworm in soil is indicated is

1. Heaps of small rounded pellets
2. Heaps of dry powder soil
3. Holes
4. Cast skin

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