A.Cockroach and house-fly
B.Earthworm
C.Hydra
D.Sponge
Related Mcqs:
- Haemoglobin is dissolved in the blood of:
- Reproductive organs are fixed in number in which of these:
- Arthrodial membranes are made of:
- Which of these has fixed number of body segments and legs:
- Circular muscles are found in the body wall of:
- Veins are absent in:
- Body cavity is haemocoel in:
- Which of these has a nervous system but no brain:
- Which of these animals respires despite having no respiratory pigment:
- Anus is absent in:
