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The animals whose body can be divided into equal halves by any plane are called:

A. Asymmetrical
B. Bisymmetrical
C. Radial symmetrical
D. Bilateral symmetrical

The animals that have no plane of symmetry are called:

A. Radial symmetrical
B. Bilateral symmetrical
C. Asymmetrical
D. None of them

The overall shape of an animal body is called:

A. asymmetry
B. Symmetry
C. Aestivation
D. Gastrulation

The animals which have tissue organization in their body are included in the subkingdom:

A. Parazoa
B. Protozoa
C. Eumatazoa
D. Sporozoa

The sub-kingdom whose members have no proper tissue organization is called:

A. Protozoa
B. Parazoa
C. Prezoa
D. Sporozoa

The phylum porifera is included in sub-kingdom:

A. Parazoa
B. Protozoa
C. Prezoa
D. Sporozoa

The opening of gastrula is called:

A. Ostiole
B. Blastopore
C. Hydathode
D. Spiracle

When blastula invaginates, folds inwards to form a structure, called:

A. Blastopore
B. Morula
C. Gastrula
D. Coelomata

When morula is changed into a hollow ball of cells, it is called:

A. Blastula
B. Gastrula
C. Blastopore
D. Coelom

When zygote develops into a multi-cellular solid ball of cells, it Is called:

A. Morula
B. Blastula
C. Gastrula
D. Larva

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