A.Absence of anus
B.Presence of pharynx
C.Absence of pharynx
D.Presence of anus and absence of
Related Mcqs:
- Platyhelminthes are characterized by:
- With reference to parasitism, the round worm (Ascaris) may be regarded as specialized animal and not a degenerated one because of the fact that it is:
- The common character amongst liver-fluke, tape-worm and planarians is:
- In a single threaded worm and worm wheel the number of teeth on the worm wheel is 60. The diameter of the effort wheel is 12 cm and that of load drum is 8 cm. The velocity ratio will be
- In a single threaded worm and worm wheel the number of teeth on the worm wheel is 80. The diameter of the effort wheel is 12 cm and that of load drum is 8 cm. The velocity ratio will be
- Firm evidence of organic evolution can be provided by the:
- A cotton boll damaged by spotted boll worm (Earias spp) may be distinguished from that infested by pink bollworm. (Pectinophora gossypiella) is showing:
- In case of worm and worm-wheel the maximum efficiency is obtained when
- In case of worm and worm wheel, the maximum efficiency is obtained when
- Yellow phosphorus is converted to red phosphorus in covered retorts at a temperature of
