The system well developed in the acoelomate is
A. Excretory system
B. Nervous system
C. Transport system
D. All of these
The system well developed in the acoelomate is Read More »
Biology
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
The fate of each blastomere is foretold. The cleavage will be as Read More »
All the animals of the grade radiata are
A. Diploblastic
B. Triploblastic
C. Both
D. Unicellular
All the animals of the grade radiata are Read More »
The name animal is derived from the word
A. Anima
B. Anemia
C. Aname
D. All of these
The name animal is derived from the word Read More »
Aschelminthes is also known as
A. Protozoans
B. Eumatazoa
C. Nematodes
D. Protoctist ancestors
Aschelminthes is also known as Read More »
Shell of egg is leathery in appearance in
A. Amphibians
B. Reptiles
C. Birds
D. Prototherians
Shell of egg is leathery in appearance in Read More »
Circulatory system is open type in all of the following except
A. Arthropoda
B. Gastropoda
C. Pelecypoda
D. Cephalopoda
Circulatory system is open type in all of the following except Read More »
Aquatic arthropods respire through
A. Spiracles
B. Gills
C. Book lungs
D. Both b and c
Aquatic arthropods respire through Read More »
Of the following which one is noncellular in most cases in animals?
A. Mesenchyme
B. Sclerenchyma
C. Chlorenchyma
D. Mesoderm
Of the following which one is noncellular in most cases in animals? Read More »
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
In some cases the blastomere can produce complete embryo the cleavage will be Read More »