Which of following system is segmentally arranged in annelids?

A: Excretory system

B: Digestive system

C: Criculatory system

D: Nervous system

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Criculatory system

The organs of locomotion in annelids are__________?

A: Muscles

B: Hydrostatic skeleton

C: Parapodia

D: Setae

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Parapodia Setae

The number of chromosomes in human cell is_____________?

A: 48

B: 44

C: 46

D: 26

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46

The resolving power of electric microscope is____________?

A: 0.2 mm

B: 0.2 nm

C: 0.2 m

D: none of these

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0.2 nm

Excretory system of platyhlminthes consists of___________?

A: Nephridia

B: Flame cells

C: Malpighian tubules

D: Nephrons

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Flame cells

Pseudocoelem develops from____________?

A: Blastopore

B: Plastoquinone

C: Blastocoel

D: Splitting of mesoderm

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Blastocoel

Exoskeoeton of coelenterates terates is made up to__________?

A: Calcium

B: Silica

C: Chitin

D: Both A & B

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Calcium

All of the following are true for Platyhelminthes except____________?

A: Flatwarms

B: Triploblastic

C: Coelomate

D: Bilateral symmetry

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Coelomate

Nervous system of nematods consists of?

A: Ventral nerve cord

B: Dorsal nerve cord

C: Lateral nerve cord

D: All of these

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All of these

Main blood vessel of arthropods usually:

A: Lies on dorsal side

B: Lies on ventral side

C: Lies on lateral side

D: Is not present

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Lies on dorsal side

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