Invertebrate Biology MCQs with Answers

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Welcome to the Invertebrate Biology MCQs with Answers. In this post, we have shared Invertebrate Biology Online Test for different competitive exams. Find practice Invertebrate Biology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Invertebrate Biology.

Invertebrate Biology Online Quiz

By presenting 3 options to choose from, Invertebrate Biology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Invertebrate Biology Questions and Answers and click over the correct answer.

Test Name: Invertebrate Biology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Invertebrate Biology

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1 / 40

Which invertebrate group is characterized by having a complete digestive tract and pseudocoelom?

Nematoda

Cnidarians

Platyhelminthes

2 / 40

What is the name for the larval stage of platyhelminths characterized by a ciliated, free-swimming stage?

Planula

Trochophore

Miracidium

3 / 40

What is the function of the tube feet in echinoderms?

Sensory perception

Gas exchange

Locomotion and feeding

4 / 40

Which invertebrate group is characterized by having a lophophore, a crown of ciliated tentacles used for feeding?

Echinoderms

Brachiopods

Platyhelminthes

5 / 40

Which phylum includes animals with a soft body, muscular foot, visceral mass, and mantle?

Mollusca

Annelida

Arthropoda

6 / 40

What is the name for the larval stage of echinoderms characterized by bilateral symmetry and bands of cilia?

Bipinnaria

Planula

Trochophore

7 / 40

What is the name for the larval stage of annelids characterized by a band of cilia used for swimming?

Trochophore

Lophophore

Planula

8 / 40

Which phylum includes animals with a segmented body and jointed appendages?

Arthropoda

Mollusca

Annelida

9 / 40

What is the specialized stinging structure found in cnidarians used for defense and prey capture?

Siphon

Nematocyst

Radula

10 / 40

What is the name for the larval stage of mollusks characterized by a free-swimming, ciliated band of cells?

Planula

Lophophore

Trochophore

11 / 40

Which invertebrate group is characterized by a water vascular system and tube feet?

Annelids

Echinoderms

Cnidarians

12 / 40

Which invertebrate group includes animals with a radially symmetric body plan?

Annelids

Arthropods

Cnidarians

13 / 40

Which phylum includes animals with a hydrostatic skeleton and complete digestive tract?

Platyhelminthes

Nematoda

Annelida

14 / 40

Which phylum includes animals with an exoskeleton made of chitin and jointed appendages?

Arthropoda

Annelida

Nematoda

15 / 40

Which invertebrate group is characterized by having a nerve cord, pharyngeal gill slits, and a post-anal tail in some stage of development?

Cnidarians

Platyhelminthes

Chordates

16 / 40

What is the exoskeleton of arthropods primarily composed of?

Silica

Calcium carbonate

Chitin

17 / 40

Which phylum includes animals with a soft body, mantle, muscular foot, and mantle cavity?

Annelida

Nematoda

Mollusca

18 / 40

What is the name for the hard outer covering of arthropods?

Epidermis

Exoskeleton

Endoskeleton

19 / 40

What is the function of the mantle in mollusks?

Sensory perception

Secretes the shell

Locomotion

20 / 40

What is the name for the larval stage of cnidarians characterized by a hollow, sac-like body with cilia?

Trochophore

Planula

Bipinnaria

21 / 40

Which invertebrate group is characterized by having a hydrostatic skeleton and a complete digestive tract?

Platyhelminthes

Nematoda

Annelids

22 / 40

What is the function of the nematocysts in cnidarians?

Gas exchange

Defense and prey capture

Locomotion

23 / 40

Which phylum includes animals with a radially symmetric body plan and a gastrovascular cavity?

Cnidaria

Arthropoda

Mollusca

24 / 40

Which phylum includes animals with a notochord, dorsal hollow nerve cord, and pharyngeal gill slits in some stage of development?

Platyhelminthes

Chordata

Cnidaria

25 / 40

What is the name for the segmented body plan of annelids?

Metamerism

Tagmatization

Radial symmetry

26 / 40

What is the name for the feeding structure found in mollusks that consists of a ribbon-like structure with tiny teeth?

Radula

Siphon

Nematocyst

27 / 40

What is the function of the radula in mollusks?

Feeding

Locomotion

Gas exchange

28 / 40

What is the function of the notochord in chordates?

Gas exchange

Skeletal support

Digestion

29 / 40

What type of symmetry do most adult echinoderms exhibit?

Bilateral

Radial

Pentaradial

30 / 40

What is the function of the water vascular system in echinoderms?

Circulation

Respiration

Locomotion and feeding

31 / 40

What is the function of the siphon in cephalopods?

Jet propulsion

Gas exchange

Prey capture

32 / 40

Which phylum includes animals with segmented bodies and jointed appendages?

Mollusca

Arthropoda

Annelida

33 / 40

What phylum do insects belong to?

Arthropoda

Annelida

Mollusca

34 / 40

What is the larval stage of a cnidarian called?

Lophophore

Trochophore

Planula

35 / 40

Which invertebrate group has a body plan consisting of a central disc and radiating arms?

Mollusks

Annelids

Echinoderms

36 / 40

What is the name for the specialized feeding structure in brachiopods?

Lophophore

Radula

Siphon

37 / 40

Which invertebrate group is characterized by having a radula and a muscular foot?

Cnidarians

Annelids

Mollusks

38 / 40

Which invertebrate group includes animals with a water vascular system and radial symmetry?

Echinoderms

Annelids

Mollusks

39 / 40

Which phylum includes animals with a complete digestive tract and a pseudocoelom?

Cnidaria

Nematoda

Platyhelminthes

40 / 40

Which invertebrate group is characterized by having a segmented body and jointed appendages?

Arthropods

Cnidarians

Mollusks

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admin3 weeks ago

0 3 1 minute read