

Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Of the following which one is not included in Proterostomes?
A: Arthropods
B: Hemichordates
C: Annelids
D: Molluses
Hemichordates
Coelom that develops from the archenteron as outpouching is__________?
A: Pseudocoelom
B: Enterocoelom
C: Schizocoelom
D: None of these
Enterocoelom
Of the following which one is not found in series proterostomia?
A: Annelida
B: Arthropoda
C: Mollusea
D: Echinodermata
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
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
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
Scolymastra joubini
The sponges in which sperms develop first are included in the category of__________?
A: Peritandrous
B: Pertandrous
C: Protendrous
D: Protandrous
Protandrous
The skeleton of sponges is made up of___________?
A: Calcium
B: Silica
C: Both of these
D: None of these
Both of these
Sperms released in water are carried to the mesenchyme in sponges by__________?
A: Amoeboid cell
B: Stipules
C: Spicules
D: Spines
Amoeboid cell
The single main opening of the sponge cavity is____________?
A: Osculum
B: Ostia
C: Spongocoel
D: None of these
Osculum
