Which of the following is a fish?

  • Flying fish

  • Jelly fish

  • Devil fish

  • Star fish

Which of the following is not an annelid?

  • Leech

  • Earhtworm

  • Sea mouse

  • Sea cucumber

Buoyancy in a bony fish is maintained with the help of

  • streamlined body

  • paired fins

  • swim bladder

  • all the above

In which of the following animals the adults have pentamerous radial symmetry while their larvae are bilaterally symmetrical?

  • Arthropods

  • Molluscs

  • Echinoderms

  • Annelids

Botryoidal tissue is found in

  • hirudina

  • polychaeta

  • oligochaeta

  • all of these.

Which of the following is an egg laying mammal?

 

  • Kangaroo

  • Platypus

  • Penguin

  • Whale

Class Crustacea has following features:

  • Cephalothorax, book lungs, chitinous exoskeleton

  • Head and thorax, biramous appendages, book lungs

  • Head and thorax, book lungs, chitinous exoskeleton

  • Cephalothorax, biramous appendages, gills

Which of the following is wrongly matched?

  • Haemoglobin in mammals – RBC

  • ( 2) Haemozoin – Plasmodium cytoplasm

  • Haemocyanin – leeches

  • Haemoglobin dissolved in blood – Pheretima

Which of the following is correct about nematocyst?

  • It can be re-used.

  • It is excretory organ in arthropods

  • It is ejected on contact and pierce the prey

  • None of these

Ambulacral grooves are absent in the living forms of the Class

  • Crinoidea

  • Asteroidea

  • Ophiuroidea

  • Echinodermata

Which of the following Phyla are included in Enterozoa?

  • Annelida, Mollusca, Porifera

  • Echinodermata, Hemichordata, Porifera

  • Mollusca, Arthropoda, Hemichordata

  • Porifera, Mollusca, Arthropoda

Hydra receives impulses and stimuli through

  • nerve net

  • nematocytes

  • sensory cells

  • flame cells

Which one feature is common to leech, cockroach and scorpion?

  • Nephridia

  • Ventral nerve cord

  • Cephalisation

  • Antenna

Based on cellular mechanisms there are two major types of regeneration found in the animals. Which one of the following is the correct example of the type mentioned?

  • Morphallaxis - Regeneration of two transversel cut equal pieces of a Hydra into two small Hydras

  • Epimorphosis - Replacement of old and dead erythrocytes by the new ones

  • Morphallaxis - healing up of a wound in the skin

  • Epimorphosis - Regeneration of crushed and filtered out pieces of a Planaria into as many new Planarians

Which one of the following groups of structures/organs have similar function?

  • Typhlosole in earthworm, intestinal villi in rat and contractile vacuole in Amoeba.

  • Nephridia in earthworm, Malpighian tubules in cockroach and urinary tubules in rat.

  • Antennae of cockroach, tympanum of frog and clitellum of earthworm.

  • Incisors of rat, gizzard (proventriculus) of cockroach and tube feet of starfish.

Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?

  • Two pairs of legs and segmented body

  • Living chitinous cuticle and two pairs of antennae

  • Jointed appendages and chitinous exoskeleton

  • Closed blood circular system

Which one of the following is correctly matched with its one characteristic and the taxon?

 

Animals

Characteristic

Taxon

(1)   

Millipede

Ventral nerve cord

Arachnida

(2)

Duckbill platypus     

Oviparous

Mammalia

(3)

Silverfish

Pectoral and pelvic fins     

Chordata

(4)

Sea anemone

Triploblastic

Cnidaria
  • 1
  • 2
  • 3
  • 4

All mammals without any exception are characterised by

  • viviparity and biconcave red blood cells

  • extra-abdominal testes and a four chambered heart

  • heterodont teeth and 12 pairs of cranial nerves

  • a muscular diaphragm and milk producing glands

A lizard-like member of reptilia is sitting on a tree with its tail coiled around a twig. This animal could be

  • Hemidactylus showing sexual dimorphism

  • Varanus showing mimicry

  • garden lizard (Calotes) showing camouflage

  • Chamaeleon showing protective colouration

Which of the following does not come under the Class Mammals?

  • Flying fox

  • Hedgehog

  • Manatee

  • Lamprey

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively

  • redia and miracidium

  • cercaria and redia

  • metacercaria and cercaria

  • miracidium and metacercaria

Delicate hair-like feathers which remain sparsely distributed over the body are

 

  • coverts

  • filoplumes

  • plumules

  • remiges.

National bird of India is

  • Psittacula

  • Passer domesticus

  • Pavo cristatus

  • Parakeet

Which of the following have porous body and have Cellular Level of Organization?

  • Aurelia and Obelia

  • Adamsia and Euplectella

  • Leucosolenia and Spongilla

  • Sycon and Hydra

Which of the following is a correct match?

  • Frog — External ears

  • Earthworm — Muscular gizzard, typhlosole

  • Human — Fat globule, 10 pairs of cranial nerves

  • Cockroach — Chilopoda

One of the world's most poisonous fish toxins is released by

  • clown fish

  • sword fish

  • eel fish

  • puffer fish

Stinging capsules (nematocysts) are found in

  • wasp and honeybee

  • scorpion and cobra

  • sea pen and sea fan

  • cactus and Venus flytrap

In which of the following sets of organisms, does the external fertilization occur?

  • Echinodermata and mosses

  • Hemichordata and ferns

  • Amphibians and algae

  • Reptiles and gymnosperms

In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

 

Organisms

Category

Exception

(1)   

Penicillium, Aspergillus, Mucor     

Fungi

Mucor

(2)

Cacti, Venus flytrap

Plants

Cacti

(3)

Ascaris, Nereis, Wuchereria

Aschelminthes     

Nereis

(4)

Scorpion, Prawn, Anopheles

Arthropoda

Prawn
  • 1
  • 2
  • 3
  • 4

Choose the correct pair.

  • Coconut, cucurbits - dioecious

  • Honeybee, Rotifers - Parthenogenesis

  • Ornithorhyncus, Whale - viviparity

  • Frog, Peacock - external fertilisation

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Practice Zoology Quiz Questions and Answers