In sponges fertilization takes place in____________?

Related Mcqs:

1. In bryophytes fertilization takes place in___________?

   A. Antheridia
   B. Archegonia
   C. water
   D. Ovule

2. The skeleton of the sponges is in the form of variously shaped needle like structures called___________?

   A. Stripules
   B. Spicules
   C. Brails
   D. Spines

3. Inner layers of the sponges are made up of__________?

   A. Pinacocytes
   B. Choanoderm
   C. Choanoytes
   D. Pinacoderm

4. The sponges in which sperms develop first are included in the category of__________?

   A. Peritandrous
   B. Pertandrous
   C. Protendrous
   D. Protandrous

5. The skeleton of sponges is made up of___________?

   A. Calcium
   B. Silica
   C. Both of these
   D. None of these

6. Sperms released in water are carried to the mesenchyme in sponges by__________?

   A. Amoeboid cell
   B. Stipules
   C. Spicules
   D. Spines

7. 80% of the food of sponges consists of__________?

   A. Detrital organic particles
   B. Zooplankton and small animals
   C. Phytoplanktons
   D. all of these

8. Light reaction takes place on/in____________?

   A. Thylakoid
   B. Storma
   C. Chloroplast
   D. Grana

9. Glycolysis takes place in____________?

   A. Nucleus
   B. Cytosol
   C. Mitochondria.
   D. Ribosomes

10. Double fertilization is feature of____________?

    A. Ferns
    B. Whisk ferns
    C. Gymnosperms
    D. Angiosperms