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4

Refer the following animals and identify those which have a fluid filled body cavity with a complete lining derived from mesoderm.
(i) Sycon (ii) Butterfly
(iii) Nereis (iv) Sea fan
(v) Scorpion (vi) Pila

A. (i) and (iii) only

B. (ii) and (iv) only

C. (ii), (iii), (v) and (vi) only

D. All of these

Correct Answer :

C. (ii), (iii), (v) and (vi) only


Butterfly, Nereis, scorpion and pila are animals which have a fluid filled body cavity with a complete lining derived from mesoderm, Hence, called as coelomate animals.

Related Questions

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4

In phylum arthropoda, excretion takes place through

A. nephridia

B. flame cells

C. malphigian tubules

D. gills

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4

Which of the following characteristics is correct for reptilia?

A. Body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

B. Body is covered with moist skin and is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca.

C. Fresh water animals with bony endoskeleton and airbladder regulate buoyancy.

D. Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.

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4

In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.

A. five

B. six

C. seven

D. eight

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4

Which one of the following groups of animals is correctly matched with its characteristic feature without even a single exception ?

A. Reptilia : possess 3 - chambered heart with one incompletely divided ventricle.

B. Chordata : Possess a mouth provided with an upper and lower jaw.

C. Chondrichthyes : Possess cartilaginous endoskeleton.

D. Mammalia : Give birth to young one.

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4

Which one of the following statement regarding coelom of given animals is correct?

A. Round worms (aschelminthes) are pseudocoelomates.

B. Molluscs are acoelomates.

C. Insects are pseudocoelomates.

D. Flatworms (platyhelminthes) are coelomates.

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4

Identify the animals shown in the given figures A, B and C from options given below. 
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A. A - Octopus; B -Asterias, C- Ophiura

B. A - Asterias; B - Ophiura, C- Octopus

C. A - Echinus; B - Octopus C - Ophiura

D. A - Ophiura; B - Echinus, C- Octopus

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4

Which of the following statement(s) is/are correct regarding phylum mollusca?

A. They are bilaterally symmetrical, triploblastic and coelomate animals.

B. Body is covered by a calcareous shell and is unsegmented with a distinct head, muscular foot and visceral hump.

C. The mouth contains a file-like rasping organ for feeding, called radula.

D. All of the above

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4

Which of the following is not a characteristic feature of kingdom animalia ?

A. Storage of carbohydrates as starch.

B. Multicellularity.

C. Obtaining nutrients by ingestion.

D. Having eukaryotic cells without walls.

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4

Which of the following statements is incorrect ?

A. Prawn has two pairs of antennae.

B. Nematocysts are characteristic feature of the phylum cnidaria.

C. Millipedes have two pairs of appendages in each segment of the body.

D. Animals that belong to phylum porifera are exclusively marine.

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4

A file like rasping organ for feeding, called radula, present in the phylum __________.

A. arthropoda

B. mollusca

C. echinodermata

D. chordata

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4

Which of the following class is being correctly described by given statements (i - iv)?
(i) All living members of this class are ectoparasites on some fishes.
(ii) They have a sucking and circular mouth without jaws.
(iii) Circulation is of closed type.
(iv) They are marine but migrate for spawning to fresh water. After spawing, within a few days they die.

A. Cyclostomata

B. Chondrichthyes

C. Osteichthyes

D. Amphibia

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4

Which of the following phylum is being described by the given statements?
(i) They are bilaterally symmetrical,triploblastic, segmented and coelomate animals.
(ii) The body consists of head, thorax, abdomen and have jointed appendages.
(iii) Circulatory system is of open type.
(iv) Excretion takes place through malphigian tubules.

A. Arthropoda

B. Annelida

C. Mollusca

D. Echinodermata

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4

Animals like annelids, arthropods, etc. where the body can be divided into identical left and right halves in only one plane, exhibit___________symmetry.

A. radial

B. bilateral

C. asymmetrical

D. non- symmetrical

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4

Match the types of animals given in column I with their examples given in column II and choose the correct option.
Column -IColumn -II
(Types of animals)(Examples)
A. Limbless reptilesI. Elephant
B. Jawless vertebratesII. Lamprey
C. Flightless birdIII. Ichthyophis
D. LargestIV. Ostrich terrestrial animal
E. Limbless amphibiaV. Cobra

A. A II; B V; C IV; D I; E III

B. A V; B II; C IV; D I; E III

C. A V; B II; C I; D IV; E III

D. A V; B IV; C II; D I; E III

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4

Which of the following group of animals reproduces only by sexual means?

A. Ctenophora

B. Cnidaria

C. Porifera

D. Protozoa

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4

Which of the following statements (i - v) are correct ?
(i) The pelvic fins of female sharks bear claspers.
(ii) In Obelia, polyps produce medusae sexually and medusae form the polyps asexually.
(iii) Flame cells in platyhelminthes help in osmoregulation and excretion.
(iv) In non-chordates, central nervous system is ventral, solid and double.
(v) Pinnae are present in mammals.

A. (ii), (iv) and (v)

B. (i), (iii) and (v)

C. (iii), (iv) and (v)

D. (i), (ii) and (iii)

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4

The organisms attached to the substratum generally possess

A. one single opening to the digestive canal.

B. cilia on the surface to create water current.

C. radial symmetry.

D. asymmetrical body.

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4

In amphibians, heart is ________ chambered.

A. two

B. three

C. four

D. none of these

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4

Which of the following is a correct match of a phylum with their three examples?

A. PlatyhelminthesPlanaria, Schistosoma, Enterobius

B. Mollusca Loligo, Sepia, Octopus

C. Porifera Spongilla, Euplectella, Pennatula

D. Cnidaria Bonellia, Physalia, Aurelia

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4

The given figures A, B, C and D are the examples of first true land vertebrates. They are dominant in mesozoic era and belong to phylum ‘X’. Identify ‘X’ and the animals which have four chambered heart. 
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A. X – Reptile; B

B. X – Reptile; A

C. X – Amphibia, C

D. X – Pisces; D

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4

Which of the following feature in birds indicates their reptilian ancestory ?

A. Eggs with a calcareous shell

B. Scales on their hind limbs

C. Four-chambered heart

D. Two special chambers-crop and gizzard in their digestive tract

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4

The given figures of animals (A & B) are distinguished on the basis of symmetry. Select the correct option which shows the type of symmetry and its description against the animals.
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A. A : Biradial, organisms is divided into unequal halves by any plane through the central axis.

B. B: Bilateral, body is divided into equivalent right and left halves by only one plane.

C. A: Asymmetrical, organisms is not divided into equal halves by any plane through the central axis.

D. B: Radial, in which any plane passing through the central axis of the body divides the organism into two identical halves.

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4

Identify the figures and select the correct option 
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A. A - Pseudocoelomate; B - Coelomate, C-Acoelomate

B. A - Coelomate, B - Pseudocoelomate, C- Acoelomate

C. A - Coelomate; B- Acoelomate; C - Pseudocoelomate

D. A - Coelomate; B- Acoelomate; C-Eucoelomate

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4

Which of the following statements is without exception in sponges ?

A. They all have calcareous spicules.

B. They have high regenerative power.

C. They are found only in marine water.

D. They are all radially symmetrical.

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4

The combination of a true coelom and repeating body segmentation allows the annelids (unlike the anatomically simpler worms) to do which of the following?

A. Attain complex body shapes and thus locomote more precisely.

B. Move through loose marine sediments.

C. Be hermaphroditic.

D. Inject paralytic poisons into their prey.

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4

Which of the following possesses poison sting and belongs to class chondrichthyes?

A. Labeo

B. Myxine

C. Clarias

D. Trygon

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4

The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations ?

A. Switch from gill respiration to air-breathing lungs.

B. Improvements in water resistance of skin.

C. Alteration in mode of locomotion.

D. Development of feathers for insulation.

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4

Match the phylum given in column - I with their example given in column - II and choose the correct option.
Column -IColumn- II
(Phylum)(Examples)
A. EchinodermataI. Ascidia, Doliolum
B. HemichordataII. Asterias, Ophiura
C. UrochordataIII. Branchiostoma
D. CephalochordataIV. Balanoglossus, Saccoglossus

A. A IV; B II; C I; D III

B. A II; B IV; C I; D III

C. A II; B IV; C III; D I

D. A II; B I; C IV; D III

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4

A student brought home a strange animal which he found outside under a rock. It had moist skin, a complete digestive tract, a ventral nerve cord, and had gone through torsion. Identify the phylum of the animal.

A. Porifera

B. Annelida

C. Mollusca

D. Echinodermata

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4

Match the organisms given in column-I with their common name given in column-II and choose the correct option.
Column -IColumn -II
(Organisms)(Comman name)
A. PennatulaI. Sea-lily
B. AntedonII. Sea- pen
C. EchinusIII. Sea-urchin
D. CucumariaIV. Sea - cucumber

A. A II; C III; D I; E IV

B. A II; C IV; D I; E III

C. A II; C I; D III; E IV

D. A II; C I; D III; E IV