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

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All of them have blood vascular system

The animals in which coelom is formed due to splitting of mesocerm are known as____________?

A: Pseudocoelous

B: Schizocoelous

C: Enterocoelous

D: Emphicoelous

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Schizocoelous

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

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Radial and indeterminate

Of the following which one is non-cellular in most cases in animals?

A: Mesenchyme

B: Sclerenchyma

C: Chlorenchyma

D: Mesoderm

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Mesenchyme

Aquatic arthropods respire through__________?

A: Spiracles

B: Gills

C: Book lungs

D: Both b and c

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Both b and c

Circulatory system is open type in all of the following except:___________?

A: Arthropoda

B: Gastropoda

C: Pelecypoda

D: Cephalopoda

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Cephalopoda

Shell of egg is leathery in appearance in___________?

A: Amphibians

B: Reptiles

C: Birds

D: Prototherians

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Reptiles

Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?

A: Flagella

B: Pili

C: Both of these

D: None of these

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Pili

Cell wall is absent in___________?

A: Cocci

B: Bacilli

C: Mycobacterium

D: Mycoplasma

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Mycoplasma

Cell wass of Archaeobacteria does not contain_____________________?

A: Peptidoglycan

B: Proteins

C: Glycoproteins

D: Polysaccharides

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Peptidoglycan

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