All the animals of the grade radiata are____________?
A. Diploblastic
B. Triploblastic
C. Both
D. Unicellular
Biology Mcqs
The name animal is derived from the word__________?
The name animal is derived from the word__________?
A. Anima
B. Anemia
C. Aname
D. All of these
Aschelminthes is also known as____________?
Aschelminthes is also known as____________?
A. Protozoans
B. Eumatazoa
C. Nematodes
D. Protoctist ancestors
Shell of egg is leathery in appearance in___________?
Shell of egg is leathery in appearance in___________?
A. Amphibians
B. Reptiles
C. Birds
D. Prototherians
Circulatory system is open type in all of the following except:___________?
Circulatory system is open type in all of the following except:___________?
A. Arthropoda
B. Gastropoda
C. Pelecypoda
D. Cephalopoda
Aquatic arthropods respire through__________?
Aquatic arthropods respire through__________?
A. Spiracles
B. Gills
C. Book lungs
D. Both b and c
Of the following which one is non-cellular in most cases in animals?
Of the following which one is non-cellular in most cases in animals?
A. Mesenchyme
B. Sclerenchyma
C. Chlorenchyma
D. Mesoderm
In some cases the blastomere can produce complete embryo the cleavage will be___________?
In some cases the blastomere can produce complete embryo the cleavage will be___________?
A. Spiral and determinate
B. Radial and indeterminate
C. Spiral and indeterminate
D. Radial and determinate
The animals in which coelom is formed due to splitting of mesocerm are known as____________?
The animals in which coelom is formed due to splitting of mesocerm are known as____________?
A. Pseudocoelous
B. Schizocoelous
C. Enterocoelous
D. Emphicoelous
Of the following which one is not the characteristic of triploblasts?
Of the following which one is not the characteristic of triploblasts?
A. All of them have blood vascular system
B. They may be coelomate pseudocoelomate or acoelomate
C. They are included in grade bilaterian
D. All of them have digestive system