Short Questions and Answers on Animal Kingdom

Questions

1 Cnidaria is characterized by

A Tissue level of organization

B Nematoblasts

C Coelenteron

D All

View Answer

Answer:All

2 Notochord occurs throughout life and all through the length of the body in

A Cephalochordata

B Hemichordata

C Urochordata

D Vertebrata

View Answer

Answer: Cephalochordata

3 Periplaneta belongs to which phylum?

A Mollusca

B Arthropoda

C Annelida

D Echinodermata

View Answer

Answer: Arthropoda

4 Which of the following characters is not typical to class Mammalia?

A Alveolar lungs

B Seven cervical vertebrae

C Thecodont dentition

D Ten pairs of cranial nerves

View Answer

Answer:Ten pairs of cranial nerves

5 Radial symmetry is found in

A Coelenterata and Platyhelminthes

B Coelenterata and Echinodermata

C Arthropoda and Mollusca

D Porifera and Coelenterata

View Answer

Answer: Coelenterata and Echinodermata

6 Salamander belongs to the class:

A Aves

B Reptiles

C Pisces

D Amphibian

View Answer

Answer: Amphibian

7 Vertebrates and tunicates share

A Jaws adapted for feeding

B A high degree of cephalisation

C A notochord and a dorsal, hollow nerve cord

D The formation of structures from the neural crest

View Answer

Answer: A notochord and a dorsal, hollow nerve cord

8 The water vascular system of echinoderms

A Functions as a circulatory system that distributes nutrients to body cells

B Functions in locomotion, feeding, and gas exchange

C Is bilateral in organization, even through the adult animal is not bilateral symmetrical

D Moves water through the animal body during suspension feeding

View Answer

Answer:Functions in locomotion, feeding, and gas exchange

9 Acoelomates are characterized by

A The absence of brain

B The absence of mesoderm

C A solid body without a cavity surrounding internal organs

D A coelom that is not completely lined with mesoderm

View Answer

Answer:A solid body without a cavity surrounding internal organs

10 Which of the following characteristic is probably most responsible for the great diversification of insects on land?

A Segmentation

B Antennae

C Bilateral symmetry

D Exoskeleton

View Answer

Answer: Exoskeleton

11 Mammals and living birds share all of the following characteristics except

A Endothermy

B Descent from a common amniotic ancestor

C A dorsal, hollow nerve cord

D An archosaur common ancestor

View Answer

Answer: Malvaceae

12 Most marsupial and all monotreme species today, are found in:

A Australia

B Asia

C Europe

D Central and south America

View Answer

Answer: Australia

13 Which of the following combination of phylum and description is incorrect?

A Echinodermata-bilateral symmetry as larva, coelom present

B Nematoda-roundworms, pseudocoelomate

C Platyhelminthes- flatworms, gastrovascular cavity, acoelomate

D Calcarea-gastrovascular cavity, coelom present

View Answer

Answer: Calcarea-gastrovascular cavity, coelom present

14 A sponge can be distinguished from other animals by the presence of

A Hollow body

B coelenteron

C choanocytes

D dermal papillae

View Answer

Answer: choanocytes

15 Animal of phylum Porifera are characterised by

A Diploblastic organisation

B canal system

C coelom

D coelenteron

View Answer

Answer: canal system

16 Larva of sponge is known as

A planula larva

B trochophore larva

C glochidium larva

D amphiblastula larva

View Answer

Answer:amphiblastula larva

17 Gemmules are helpful in

A digestion

B sexual reproduction

C Secretion of spicules

D Survival in drought

View Answer

Answer:Survival in drought

18 Most of the sponges are

A solitary

B colonial

C fresh water forms

D cold water inhabitants

View Answer

Answer:colonial

19 Choanocytes in sponges are present

A on the external body surface

B line the gastric cavity

C in the mesodermal layer

D located between the outer and inner layers

View Answer

Answer: line the gastric cavity

20 Sycon belong to the class

A Calcarea

B porifera

C Desmospongia

D Hexactinellida

View Answer

Answer: Calcarea

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