A. Pinacocytes
B. Choanoderm
C. Choanoytes
D. Pinacoderm
Related Mcqs:
- The sponges in which sperms develop first are included in the category of__________?
A. Peritandrous
B. Pertandrous
C. Protendrous
D. Protandrous - 80% of the food of sponges consists of__________?
A. Detrital organic particles
B. Zooplankton and small animals
C. Phytoplanktons
D. all of these - The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
A. Stripules
B. Spicules
C. Brails
D. Spines - The skeleton of sponges is made up of___________?
A. Calcium
B. Silica
C. Both of these
D. None of these - Sperms released in water are carried to the mesenchyme in sponges by__________?
A. Amoeboid cell
B. Stipules
C. Spicules
D. Spines - In sponges fertilization takes place in____________?
A. Ectoderm
B. Mesenchyme
C. Endoderm
D. Uterus - In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon____________?
A. Their physical properties like size & weight.
B. Physical properties of the medium like its density.
C. Their electrical properties like their charges
D. Both a and b - In most triploblasts after embryonic development the three layers are represented as___________?
A. Separate layers of cells
B. Structures formed from them
C. Structures associated with them
D. Their functions in body - According to Lamarch evolution occurred as the result of__________?
A. Natural selection
B. The theory of recapitulation
C. Inheritance of acquired characters
D. Over production - Locomotion in diatoms is carried out with the help of__________?
A. Valve
B. Raphe
C. Pseudopodium
D. Cilia or flagella
