Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
_______ are the first group of invertebrates which have developed a closed circulatory system.
A: Nematods
B: Annelids
C: Arthropods
D: Molluscs
Annelids
Of the following which one is not the characteristic of Kingdom Animalia.
A: All animals are ingestive heterotrophs
B: All animals are eukaryotes
C: All animals develop from the dissimilar gametes i.
D: E. large sperm and small egg.
E: D. It is largest kingdom.
All animals develop from the dissimilar gametes i.large sperm and small egg.
Coelom is lined by__________?
A: Parietal mesoderm
B: Visceral mesoderm
C: Mesoderm
D: Both A & B
Both A & B
Porifera range in size from__________?
A: Few millimeter wide to more than one meter tall
B: Few centimeter wide to more than one meter tall
C: Few decimeter wide to more than one meter tall
D: One meter wide to more than millimeter tall.
Few millimeter wide to more than one meter tall
Enteron in coelenterates acts as___________?
A: Digestive cavity
B: Body cavity
C: Transporting cavity
D: all of these
all of these
All of the following coelenterates show alternation of generation except:
A: Hydra
B: Obelia
C: Aurelia
D: None of these
Hydra
In sponges fertilization takes place in____________?
A: Ectoderm
B: Mesenchyme
C: Endoderm
D: Uterus
Mesenchyme
Which of the following are motile zooids in cnidarians?
A: Polyps
B: Medusae
C: Both of these
D: None of these
Medusae
Mammals became dominant in__________?
A: Proterozoic era
B: Mesozoic era
C: Paleozoic era
D: Cenozoic era
Cenozoic era