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Which of the following belong to phylum arthropoda?

A. Bombyx and Apis

B. Laccifer and Anopheles

C. Locusta and Limulus

D. All of the above

Correct Answer :

D. All of the above


Phylum arthropoda is the most numerous phyla of all living organisms, both in number of species and in number of individuals.

Related Questions

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4

Which of the following statement is incorrect?

A. Platyhelminthes has incomplete digestive system.

B. In coelenterates, the arrangement of cells is more complex.

C. Nereis is monoecious but earthworms and leeches are dioecious.

D. Simple and compound eyes are present in the animals of those phylum whose over two-thirds of all named species on earth are arthropods.

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4

Select the incorrect feature of mollusca from the given statements.

  1. Terrestrial or aquatic animals having cellular system level of organization.

  2. Radial symmetrical and acoelomate animals and possesses two germinal layers.

  3. A file like rasping organ called radula is present.

  4. Usually dioecious and viviparous animals.

  5. Examples include Pila, Octopus, and Dentalium.

A. (i) and (ii) only

B. (ii) and (iv) only

C. (i), (ii) and (iv) only

D. All the five statements.

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4

Which of the following is an incorrect statement regarding flatworms ?

A. They are acoelomates.

B. They are bilaterally symmetrical.

C. They lack a digestive system.

D. They have a circulatory system.

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4

__________ is responsible for maintaining the current of water in sponge.

A. Osculum

B. Porocytes

C. Spongocoel

D. Choanocytes

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4

Which of the following statement(s) is/are correct regarding phylum aschelminthes?
(i) The body is circular in cross-section hence the name roundworms.
(ii) Alimentary canal is complete with a well-developed muscular pharynx.
(iii) Sexes are separate (dioecious), i.e., males and females are distinct.
(iv) Nephridia help in osmoregulation and excretion.

A. (i) and (ii)

B. (iii) and (iv)

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

D. All of these

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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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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

Meandrina (brain coral) belongs to phylum

A. porifera

B. coelenterata

C. ctenophora

D. platyhelminthes

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Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.

A. visceral hump

B. parapodia

C. radula

D. spicules

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Refer the given figures A, B, C and D and identify the option which shows their correct name. 
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A. A - Pleurobrachia, B - Cnidoblast, C - Aurelia, D - Adamsia

B. A - Aurelia, B - Adamsia, C - Cnidoblast, D - Pleurobrachia

C. A - Cnidoblast, B - Pleurobrachia, C - Adamsia, D - Aurelia

D. A - Adamsia, B - Aurelia, C - Pleurobrachia, D - Cnidoblast

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4

Which one of the following categories of animals is correctly described with no single exception in it?

A. In chondrichthyes notochord is persistent throughout life.

B. All mammals are viviparous and possess diaphragm for breathing.

C. All sponges are marine.

D. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).

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4

Hemichordates have now been placed with the nonchordates, close to echinoderms, because true

A. notochord is absent.

B. pharyngeal gill-slits are lacking.

C. dorsal nerve cord is absent.

D. heart is lacking.

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4

A student was given a specimen to identify on the basis of the characteristics given below.
(i) They are metamerically segmented.
(ii) Presence of closed circulatory system.
(iii) They have circular and longitudinal muscles for locomotion. Identify the specimen.

A. Prawn

B. Pheretima

C. Wuchereria

D. Ctenoplana

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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

Few cnidarians like corals have a skeleton composed of

A. calcium hydroxide

B. calcium sulphate

C. calcium carbonate

D. sodium bicarbonate

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4

Which of the following phylum is being described by the given statements?
(i) These are primitive multicellular animals and have cellular level of organization.
(ii) Digestion is intracellular.
(iii) They have a water transport or canal system.
(iv) They reproduce asexually by fragmentation and sexually by formation of gametes.

A. Porifera

B. Ctenophora

C. Coelenterata

D. Platyhelminthes

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Tracheae of cockroach and mammal are similar in having

A. paired nature.

B. non-collapsible walls.

C. ciliated inner lining.

D. origin from head.

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Which of the following animals are bilaterally symmetrical?
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A. 1 & 2

B. 2 & 4

C. 3 & 4

D. 1 & 3

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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

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

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

Identify the correct characteristic feature shown by the given figure? 
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A. Diploblastic in nature.

B. Having radial symmetrical body.

C. Dioecious with direct development.

D. Presence of sensory tentacles on anterior head region.

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4

Which of the following pairs of animals are similar to each other pertaining to the feature stated against them?

A. Pteropus and Ornithorhyncus - Viviparity

B. Garden lizard and crocodile - Three chambered heart

C. Ascaris and Ancylostoma - Metameric segmentation

D. Sea horse and flying fish - Cold blooded (poikilothermal)

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Which of the following is a fresh water sponge?

A. Sycon

B. Euspongia

C. Spongilla

D. Pleurobrachia

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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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Which of the following statement(s) is/are correct regarding phylum coelenterata?
(i) They are aquatic, mostly marine, sessile or freeswimming, radially symmetrical animals.
(ii) They have a central gastro-vascular cavity with a single opening called hypostome.
(iii) Digestion is extracellular and intracellular.
(iv) Examples are Sycon, Spongilla and Euspongia.

A. (i) and (ii)

B. (i) and (iv)

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

D. All of these

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4

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

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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 pairs of animals comprises jawless fishes?

A. Mackerals and rohu

B. Lampreys and hag fishes

C. Guppies and hag fishes

D. Lampreys and eels

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Which of the following features distinguish mammals from other vertebrates ?

A. Hairy skin and oviparity

B. Hairy skin and mammary glands

C. Mammary glands and teeth

D. Pinna and teeth