Which of the following is true for given diagram

  • Hirudinaria

  • Neresis

  • liver fluke

  • Balanoglossus

Which of the following is true for given diagram?

  • Nereis

  • Parapodia is present

  • Dioecious

  • All of these

Which of the following is true for Phylum Mollusca?

 

  • Largest Phylum

  • Radial Symmetry

  • Triploblastic animals

  • Segmentation present

Which of the following is true for Shells of Mollusca?

  • Secreted by outer surface of the Mantle

  • Helps in protection

  • Pearl is formed in this layer

  • All of these

Which of the following is true about Apple snail.

  • It belongs to class Gastropoda

  • Body is covered by Calcareous shell

  • Torsion present

  • All of these

Which is Correct for Devil fish?

  • Shell less animal

  • It belongs to class Cephalopoda

  • It has 8 arms

  • All of these

Which of the following is true about Mollusca?

  • Nephridia perform excretory functions

  • Gills perform respiratory functions

  • Most Mollusca have open circulatory system

  • All of these

Which of the following is true about Radula?

  • Rasping organ

  • Tongue like structure

  • Used in feeding

  • All of these

Find the incorrect statement

  • All Mollusks have shells

  • All mollusks are bilateral symmetrical

  • All mollusks are terrestrial

  • All of these

Which of the following represents Mollusca?

  • Cuttlefish

  • Devil Fish

  • Star fish

  • More than one is correct

How many of the following is not the member of Mollusca?

Devil fish, Cuttle fish, Dog fish, Saw fish, Angel fish, Fighting fish, Flying fish, Star fish, Jelly fish, Silver fish

  • 3

  • 8

  • 2

  • 4

Which of the following is Mollusc?

  • Cuttle fish

  • Chiton

  •  Cucumaria

  • More than one option is correct

Which of the following is true for Echinodermata?

  • Bilateral Symmetry- Larvae

  • Radial symmetry- larvae

  • Bilateral Symmetry- Adult

  • Asymmetric

Echinoderms are

  • Triploblastic

  • Coelomate animals

  • all marine

  • All of the above

The distinctive features of the Echinoderms are

  • Spines on body

  • Radial symmetry

  • Water vascular System

  • Both 2 and 3

Water Vascular system helps in

  • Locomotion

  • Food capture and transport

  • Respiration

  • All of these

Read the given features

(a) Presence of cnidoblasts

(b) Alternation of generation

(c) Extracellular and intracellular digestion

All of the above given features are observed in

  • Hydra

  • Physalia

  • Aurelia

  • Adamsia

How many of the following statement is true for Water Vascular System?

(1)It is composed of a central ring canal from which radial canals extend

(2)Tube like appendages called tube feet is present

(3)It is a modification of one of the several coelomic spaces.

(4)It works like hydraulic system.

(5) Water enters the Water Vascular System through a madreporite.

(6) When the muscles in the tube feet contract the tube foot bends  and pull the animal forward.

  • 6

  • 5

  • 4

  • 3

Which of the following is incorrect about Echinoderms?

  • Protostomous

  • Deuterostomous

  • Pentaradially symmetrical

  • Spiny skin

Which of the following is true about Digestive system of Echinoderms?

  • Mouth is Ventral

  • Anus is Dorsal

  • Digestive System is complete

  • All of the above

Which is not true for Echinoderms?

 

  • Mouth is Dorsal

  • Anus is Ventral

  • Calcerous exoskeleton

  • All of these

How many of the following is the member of Echinodermata?

Sea hare, Sea cucumber, Sea lily, Sea urchin, Sea-pen, Sea fan, Sea anemone

  • 7

  • 4

  • 3

  • 2

Which of the following is not a member of Echinodermata?

  •  Antedon

  •  Asterias

  •  Aplysia

  •  Ophiura

Incorrect statement about the given diagram is

(1)Pentaradial symmetry

(2)Have power of regeneration

(3)Each arm contains  a pair of sex organs

(4)None  of these
  • 1
  • 2
  • 3
  • 4

Correct name of the given diagram is

  •  Asterias

  •  Ophiura

  •  Antedon

  •  Echinus

Incorrect about  the given diagram is

  • External fertilisation

  • Anus is Ventral

  • Radial symmetry

  • Indirect development

Which of the following is true for Hemichordata?

  • Earlier placed under phylum of Chordata

  • Now placed under Non- Chordata

  • Notochord is absent

  • All of these

Which is incorrect for Hemichordata?

  • Cylindrical body

  • Proboscis, Collar and Trunk present

  • Bilaterally symmetrical

  • Head, Collar and Trunk present

Which of the following is the distinctive feature of Hemichordata?

  • Worm like animals

  • Body is composed of Proboscis, Collar and Trunk

  • Notochord present

  • Both A and B

Which of the following is not true for the given diagram?

  • Worm like animals

  • Closed circulatory system

  • Respiration through gills

  • Excretion through proboscis gland

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