A.Lamellidens
B.Pila
C.Cockroaches
D.None of these
Related Mcqs:
- Which of the following molluscs has shell made up of 8 calcareous plates:
- Commercial pearls are produced by:
- Radula is found in the buccal cavity of:
- Head is not found in:
- Gills are used as brood pouch in:
- Ctenidia are used for food collection in:
- Rudula is found in the buccal cavity of:
- A cannon of barrel length 2 m fires a shell of weight 6 kg with a muzzle velocity of 50 m/sec. The force exerted by the gases on the shell would be approximately
- A gun fires shell with a muzzle velocity of 600 m/sec. The angle of inclination of the gun so that the shell hits a target at a distance of 32 km at level 100 m higher than the gun would be approximately?
- A thin cylinder contains fluid at a pressure of 30 kg/cm2, the inside diameter of the shell is 60 cm and the tensile stress in the material is to be limited to 900 kg/cm2. The shell must have minimum wall thickness of
