Of the following which one is not included in Proterostomes?

A: Arthropods

B: Hemichordates

C: Annelids

D: Molluses

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Hemichordates

Coelom that develops from the archenteron as outpouching is__________?

A: Pseudocoelom

B: Enterocoelom

C: Schizocoelom

D: None of these

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Enterocoelom

Of the following which one is not found in series proterostomia?

A: Annelida

B: Arthropoda

C: Mollusea

D: Echinodermata

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Echinodermata

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

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Structures formed from them

The function of coelom is__________?

A: To increase the size of the animals

B: To help in the functioning of reproductive system

C: To provide space for the development of organs and systems

D: None of these

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

To provide space for the development of organs and systems

A sponge of Antarctica which is more than a meter tall is____________?

A: Scolymastra joubini

B: Euplectella

C: Spongilla

D: Leucoselenia

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Scolymastra joubini

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

A: Peritandrous

B: Pertandrous

C: Protendrous

D: Protandrous

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Protandrous

The skeleton of sponges is made up of___________?

A: Calcium

B: Silica

C: Both of these

D: None of these

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Both of these

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

A: Amoeboid cell

B: Stipules

C: Spicules

D: Spines

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Amoeboid cell

The single main opening of the sponge cavity is____________?

A: Osculum

B: Ostia

C: Spongocoel

D: None of these

Answer & Explanation Discussion
Save for Later (0)
Please login to bookmark Close

Osculum

1 61 62 63 64 65 127