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4

The main basis of classification of Phylum Protozoa is

A. size

B. locomotary organelles

C. shape

D. number of nuclei

Correct Answer :

B. locomotary organelles


Related Questions

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4

In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J

A. protostomes

B. deuterostomes

C. cyclostomes

D. blastostomes

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4

Exclusively marine chelones are known as

A. tortoise

B. turtles

C. sea hares

D. none of these

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4

Platyhelminthes are called

A. flat worms

B. roundworms

C. tapeworms

D. blind worms

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4

Temperature regulation is found in

A. Fish

B. Rat

C. Frog

D. Lizard

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4

Tapeworm is placed in class

A. Cestoda

B. Trematoda

C. Sporozoa

D. Suctoria

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4

Which of the following does not show J metamerism ?

A. Roundworms

B. Earthworms

C. Amphibian blind worms

D. Limbless lizards

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4

One of the primary characters of chlor-date is

A. solid ventral nerve cord

B. dorsal tubular nerve cord

C. paired nerve cords

D. ganglionated nerve cord

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4

The larval forms called bladder worms are characteristic of

A. intestinal parasites

B. earthworms

C. roundworms

D. tapeworms

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4

What is common to fishes, amphibians and reptiles ?

A. Scales

B. Eggs

C. Shelled eggs

D. Gills

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4

Antedon belongs to class

A. echinodermata

B. ophiuroidea

C. crinoidea

D. echinoidea

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4

Exclusively marine animals are found in group

A. Fishes and Echinodermata

B. Coelentrata and Echinodermata

C. Porifera and Coelentrata

D. Echinodermata and Protochordata

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4

Which of the following belongs to the same phylum ?

A. Mollusca, cockroach, centipede

B. Turbellaria, cestoda, trematoda

C. Both (a) and (b)

D. None of these

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4

For finding a haemocoel which animal you will select ?

A. Earthworm

B. Hydra

C. Ascaris

D. Scolopendra

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4

Physalia, the "Portugese man of War" belongs to class

A. Coelenterata

B. Hydrozoa

C. Scyphozoa

D. Anthozoa

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4

The animals which are found in the soil, can fly, found on land and in water belong to the phylum

A. Protozoa

B. Parazoa

C. Annelida

D. Arthropoda

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4

In which of the following sets, groups are not correctly matched ?

A. Onychophora, Myriapoda, Arachnida

B. Hydrozoa, Scyphozoa, Anthozoa

C. Polychaeta, Hirudiniea, Oligochaeta

D. Gastropoda, Rhizopoda, Scaphopoda

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4

Histological differentiation is absent in

A. Amoeba

B. Hydra

C. Earthworm

D. Cockroach

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4

All mammals have hair, but these are absent in order

A. Cetacea

B. Primates

C. Rodentia

D. Chiroptera

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4

Correct statement is :

A. Archaeopteryx is a connecting link between mammals and aves

B. Duck-bill platypus is a connecting link between reptiles and mammals

C. Sea horse is a connecting link between fish and horse

D. Hydra is a connecting link between protozoa and metazoa

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4

Which of the following has no segmentation?

A. Hydra

B. Earthworm

C. Centipede

D. Cockroach

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4

Which one of the following is a coelenterate ?

A. Tea cucumber

B. Sea urchin

C. Sea horse

D. Sea pen

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4

Which is a matching set in taxonomy ?

A. Liver fluke, tapeworm, roundworm

B. Sea urchin, sea fan, sea cucumber

C. Leucosolenia, Sycon, Euspongia

D. Plasmodium, Hydra, Planaria

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4

Coelentrates generally include the animals which are

A. radial symmetrical and triploblastic

B. radial symmetrical and diploblastic

C. bilateral symmetrical and triploblastic

D. biradial symmetrical and diploblastic

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4

The term "Monera" stands for

A. all prokaryotes

B. bacterai, blue green algae and sinlge celled eukaryotes

C. bacteria, blue green algae and single celled eukaryotic animals

D. single celled eukaryotes and prokaryotes

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4

Which one of the following is found in chordates but not in non-chordates

A. Gills

B. Spiracles

C. Post anal tail

D. Chitious skeleton

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4

Which of the following animals has a ventral nerve cord

A. Frog

B. Cockroach

C. Hydra

D. Earthworm

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4

One of the following is considered as a living and connecting link between Annelida and Arthropoda:

A. Peripatus

B. Limulus

C. Balanoglossus

D. Sphenodon

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4

Flying bats are included under which order of class Mammalia ?

A. Cetacea

B. Chiroptera

C. lnsectivora

D. Lagomorpha

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4

Structures built on a common plan, but modified during the course of evolution : to serve particular function in different animals are regarded as

A. homologous

B. analogous

C. both homologous and analogous

D. phylogenetically related

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4

Nauplius larva belongs to

A. insects

B. shrimps

C. echinoderms

D. molluscs