The system well developed in the acoelomate is___________?
A. Excretory system
B. Nervous system
C. Transport system
D. All of these
Biology Mcqs
The fate of each blastomere is foretold. The cleavage will be as____________?
The fate of each blastomere is foretold. The cleavage will be as____________?
A. Spiral and indeterminate
B. Radial and indeterminate
C. Radial and indeterminate
D. Spiral and determinate
All the animals of the grade radiata are____________?
All the animals of the grade radiata are____________?
A. Diploblastic
B. Triploblastic
C. Both
D. Unicellular
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