Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
Notochord is present throughout life in___________?
A: Urochordates
B: Cephalochordates
C: Chordates
D: Vertebrates
Cephalochordates
Body is eel like in___________?
A: Cyclostomata
B: Chondrichthyes
C: Osteichthyes
D: None of these
Cyclostomata
Second largest phylum of invertebrates is____________?
A: Porifera
B: Arthropoda
C: Mollusca
D: Chordata
Mollusca
80% of the food of sponges consists of__________?
A: Detrital organic particles
B: Zooplankton and small animals
C: Phytoplanktons
D: all of these
Detrital organic particles
The internal buds are known as__________?
A: Spicules
B: Choanocytes
C: Gemmules
D: None of these
Gemmules
The skeleton of the sponges is in the form of variously shaped needle like structures called___________?
A: Stripules
B: Spicules
C: Brails
D: Spines
Spicules
Gut in pseudocoelomates is made from___________?
A: Ectoderm
B: Mesoderm
C: Endoderm
D: All of these
Endoderm
Inner layers of the sponges are made up of__________?
A: Pinacocytes
B: Choanoderm
C: Choanoytes
D: Pinacoderm
Choanoytes