|
|
|
|
|
| 11. |
Trocophore larva is found in: |
| A. |
Cnidarians |
B. |
Cockroach |
| C. |
Annelids |
D. |
Sponges |
Answer: Option C
Explanation:
|
| 12. |
Crawling in annelids occurs by: |
| A. |
Prostomium |
B. |
Setae |
| C. |
Papilla |
D. |
Clitellum |
Answer: Option B
Explanation:
|
| 13. |
Setae are found in: |
| A. |
Earthworms |
B. |
Leeches |
| C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option A
Explanation:
|
| 14. |
Locomotion in earthworms is dirctly facilitated by: |
| A. |
Mucus secreted by epidermis |
B. |
Segmentation of body |
| C. |
Rhythmic contractions of body segments |
D. |
Setae only |
Answer: Option D
Explanation:
|
| 15. |
Earthworms respire through: |
| A. |
Ctenidia |
B. |
Moist skin |
| C. |
Clitellum |
D. |
Prostomium |
Answer: Option B
Explanation:
|
| 16. |
Number of body segments is fixed in: |
| A. |
Eathworms |
B. |
Leeches |
| C. |
Tape-worms |
D. |
None of these |
Answer: Option B
Explanation:
|
| 17. |
Which of the following is an ectoparasite: |
| A. |
Cockroach |
B. |
earthworm |
| C. |
Leech |
D. |
None of these |
Answer: Option C
Explanation:
|
| 18. |
Segmentation in annelids is called: |
| A. |
Strobilation |
B. |
Metamerism |
| C. |
Pseudosegmentation |
D. |
None of these |
Answer: Option B
Explanation:
|
| 19. |
Structures typically found in every segment of earthworm are: |
| A. |
Ganglia |
B. |
Lateral hearts |
| C. |
Gerutal duct |
D. |
Septal nephridia |
Answer: Option A
Explanation:
|
| 20. |
A skeleton like function is performed in earthworms during locomotion by: |
| A. |
Alimentary canal laden with mud |
B. |
Coelomic fluid |
| C. |
Clitellum |
D. |
Ventral nerve cord |
Answer: Option B
Explanation:
|
Read more:
|
|
