A. Humus
B. Detritus
C. Dead microscopic animals
D. Small crustaceans
Related Mcqs:
- Hydra is an example of ______________ feeder?
A. Fluid
B. Macrophagous
C. Fluid
D. All of these - Hydra has___________?
A. Brain
B. Nerves
C. Neuron-cells
D. All of these - Hydra has no specialized excretory system because:
A. It does not produce waste material
B. Due to absence of mesoderm
C. The whole body cells are in contact with water
D. It has pseudocoelom. - Excretory system of platyhlminthes consists of___________?
A. Nephridia
B. Flame cells
C. Malpighian tubules
D. Nephrons - 80% of the food of sponges consists of__________?
A. Detrital organic particles
B. Zooplankton and small animals
C. Phytoplanktons
D. all of these - Ribose is an example of___________?
A. Trioses
B. Tetroses
C. Pentose
D. Hexose - Spirochete is an example of___________?
A. Aerobic bacteria
B. Anaerobic bacteria
C. Facultative bacteria
D. Microaerophilic - The skeleton of sponges is made up of___________?
A. Calcium
B. Silica
C. Both of these
D. None of these - Equistem is an example of___________?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Prteropsida - Oil body is found in the cells of___________?
A. Diatoms
B. Slime moulds
C. Chlorophycean forms
D. None of the these