Practice Pakistan's most useful MCQs for competitive exams

Coelom that develops from the archenteron as outpouching is__________?

• (A)  Pseudocoelom
• (B)  Enterocoelom
• (C)  Schizocoelom
• (D)  None of these

Answer

Submitted By :Ali Uppal

Of the following which one is not included in Proterostomes?

• (A)  Arthropods
• (B)  Hemichordates
• (C)  Annelids
• (D)  Molluses

Answer

Submitted By :Ali Uppal

Inner layers of the sponges are made up of__________?

• (A)  Pinacocytes
• (B)  Choanoderm
• (C)  Choanoytes
• (D)  Pinacoderm

Answer

Submitted By :Ali Uppal

Sperms are _________ in origin.

• (A)  Ectodermal
• (B)  Mesodermal
• (C)  Endodermal
• (D)  None of these

Answer

Submitted By :Ali Uppal

Gut in pseudocoelomates is made from___________?

• (A)  Ectoderm
• (B)  Mesoderm
• (C)  Endoderm
• (D)  All of these

Answer

Submitted By :Ali Uppal

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

• (A)  Stripules
• (B)  Spicules
• (C)  Brails
• (D)  Spines

Answer

Submitted By :Ali Uppal

The internal buds are known as__________?

• (A)  Spicules
• (B)  Choanocytes
• (C)  Gemmules
• (D)  None of these

Answer

Submitted By :Ali Uppal

Venus flower basket is also known as___________?

• (A)  Sycon
• (B)  Euplectella
• (C)  Leucoselenia
• (D)  Spongilla

Answer

Submitted By :Ali Uppal

In acoelomates gut is ________ in origin.

• (A)  Ectodermal
• (B)  Endodermal
• (C)  Mesodermal
• (D)  None of these

Answer

Submitted By :Ali Uppal

The system well developed in the acoelomate is___________?

• (A)  Excretory system
• (B)  Nervous system
• (C)  Transport system
• (D)  All of these

Answer

Submitted By :Ali Uppal