Practice Corner MCQs

Which of the following statements is incorrect regarding bilateral symmetry?

Identify type of symmetry in the given animals A and B

Diploblastic and triploblastic are terms that describe

The animals possessing the following type of germ layers (A and B) are called ___ and ____ respectively.

Examine the figures of diploblastic (i) and triploblastic (ii) organisation in animals given below and identify the labelled parts A to D.

The figures given below show the types of coelom. Identify them and select the correct group of organisms which possess them.

Which of the following are correct?
(i) Diploblastic : Poriferans, Coelenterates
(ii) Triploblastic : Platyhelminthes to Chordates
(iii) Acoelomate : Poriferans, Coelenterates, Platyhelminthes
(iv) Pseudocoelomate : Aschelminthes/Roundworms
(v) Eucoelomate : Annelids to Chordates

Select the correct matching of animals, their symmetry, organisation and coelom type.

Animals Symmetry Organisation Coelom type
(a) Ctenophores Radial Diploblastic Pseudo-coelomates
(b) Echinoderms Bilateral Triploblastic Coelomates
(c) Platyhelminthes Bilateral Triploblastic Acoelomates
(d) Annelids Biradial Diploblastic Coelomates

Identify the animal which has ladder like nervous system.

Read the given statements and select the correct option.

Statement 1 : All triploblastic animals are eucoelomates.

Statement 2 : Triploblastic animals have a false coelom.

Which of the following is correctly matched?

Study carefully the given flow chart and fill in the blanks (A) to (E)

Identify the given figures A, B and C and select the correct option.

In most simple type of canal system of porifera, which of the following ways exhibit water flow?

Which of the following is not a characteristic feature of sponges?

Select the incorrect characteristic regarding sponges.

The statements given below show some characteristics of a phylum. Identify the phylum.
(i) Tissue absent
(ii) Internal fertilisation
(iii) Development is indirect
(iv) Spongocoelate with ostia (many) and single osculum and canal system
(v) Sexes are hermaphrodite

Which of the following statements is correct for sponges without exception?

Which of the following is not a correct match of animal and its habitat?

Stinging capsules (nematocysts) are found in

Match the following and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Physalia } & \text { (i) } & \text { Sea anemone } \\
\hline \text { B. } & \text { Meandrina } & \text { (ii) } & \text { Brain coral } \\
\hline \text { C. } & \text { Gorgonia } & \text { (iii) } & \text { Sea fan } \\
\hline \text { D. } & \text { Adamsia } & \text { (iv) } & \text { Portuguese man-of-war } \\
\hline
\end{array}
\)

Which of the following have porous body and are diploblastic?

Identify the figures A, B, C and D and select the correct option.

Read the given characters.
(i) Extracellular and intracellular digestion
(ii) Exclusively marine, radially symmetrical, diploblastic, tissue level of organisation
(iii) Bisexual, fertilisation external and indirect development
(iv) No asexual reproduction
(v) Presence of comb plates
The characters given above are shown by

Given below are three statements regarding Aschelminthes.
(i) They are bilaterally symmetrical and triploblastic.
(ii) They are dioecious.
(iii) All are plant or animal parasites.
Select the option that has both the correct statements.

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Choanocytes } & \text { (i) } & \text { Platyhelminthes } \\
\hline \text { B. } & \text { Cnidoblasts } & \text { (ii) } & \text { Ctenophora } \\
\hline \text { C. } & \text { Flame cells } & \text { (iii) } & \text { Porifera } \\
\hline \text { D. } & \text { Nephridia } & \text { (iv) } & \text { Coelenterata } \\
\hline \text { E. } & \text { Comb plates } & \text { (v) } & \text { Annelida } \\
\hline
\end{array}
\)

Identify the figures A, B, C and D and select the correct option.

In which of the following, segmentation in the body is first observed?

Consider the following statements $(A-C)$ each with two blanks.

A. Animals like Hydra and jellyfish depict (i) symmetry whereas earthworm and leech show (ii) symmetry.
B. In (iii) and (iv) digestive tract has only single opening (mouth) and is said to be incomplete.
C. Trichinella (Trichina worm) is a cosmopolitan (v) parasite whereas Fasciola (liver fluke) lives in the bile ducts of the liver of (vi).

Which one of the following options, correctly fills any two statements?

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Protandry } & \text { (i) } & \begin{array}{l}
\text { Ovaries mature earlier } \\
\text { than testes }
\end{array} \\
\hline \text { B. } & \text { Protogyny } & \text { (ii) } & \begin{array}{l}
\text { Testes mature earlier } \\
\text { than ovaries }
\end{array} \\
\hline \text { C. } & \begin{array}{l}
\text { Metameric } \\
\text { segmentation }
\end{array} & \text { (iii) } & \text { Scorpion } \\
\hline \text { D. } & \text { Radial symmetry } & \text { (iv) } & \text { Nereis } \\
\hline \text { E. } & \text { Book lungs } & \text { (v) } & \text { Aurelia } \\
\hline
\end{array}
\)

Read the given statements and select the correct option.
Statement 1: Blood is colourless in the insects.
Statement 2: insect blood has no role in \(\mathrm{O}_2\) transport.

What is common between earthworm and Periplaneta?

Which of the following are examples of Phylum Arthropoda?

Among the following organisms which is a completely non-parasitic form?

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

What is common among crab and honeybee?

Which of the following is an excretory organ in Hemichordata?

What is true about Nereis, scorpion, cockroach and silverfish?

Identify the figures A, B, C and D given below and select the correct option.

Read the following statements and select the incorrect ones.
(i) Circulatory system in arthropods is of closed type.
(ii) Parapodia in annelids help in swimming.
(iii) Phylum Mollusca is the second largest animal phylum.
(iv) Aschelminthes are dioecious.

The given figures (A – D) show four animals. Select the correct option with respect to a common characteristic of any two of these animals.

Which one of the following statements about certain given animals is correct?

Phylum Mollusca can be distinguished from other invertebrates by the presence of

Fill up the blank spaces in the table below by selecting the correct option.

\(
\begin{array}{|c|c|c|c|}
\hline \begin{array}{c}
\text { Phylum/ } \\
\text { Class }
\end{array} & \begin{array}{c}
\text { Excretory } \\
\text { organ }
\end{array} & \begin{array}{c}
\text { Circulatory } \\
\text { system }
\end{array} & \begin{array}{c}
\text { Respiratory } \\
\text { organ }
\end{array} \\
\hline \text { Arthropoda } & \text { A } & \text { B } & \begin{array}{c}
\text { Lungs/Gills/ } \\
\text { Tracheal system }
\end{array} \\
\hline \text { C } & \text { Nephridia } & \text { Closed } & \text { Skin } \\
\hline \text { D } & \text { Metanephridia } & \text { Open } & \text { E } \\
\hline
\end{array}
\)

Which one of the following is a matching set of a phylum and its three examples?

Which of the following is commonly called “pearl oyster”?

Bilateral symmetry, segmentation, coelom and open circulatory system characterises which of the following phyla?

You have discovered an animal having characters like, triploblastic, bilateral symmetry, coelomate, chitinous exoskeleton, head, thorax and abdomen as body parts, and jointed appendages.
You should place the animal under

Which of the following statements are incorrect?
(i) Parapodia are lateral appendages in arthropod used for swimming.
(ii) Radula in molluscs are structures involved in excretion
(iii) Aschelminthes are dioecious.
(iv) Echinoderm adults show radial symmetry.
(v) Ctenophorans are diploblastic.

In which one of the following, the genus name, its two characters and its phylum are not correctly matched?

\(
\begin{array}{|l|c|c|c|}
\hline & \text { Genus name } & {\text { Characters }} & \text { Phylum } \\
\hline \text { (a) } & \text { Pila } & \begin{array}{c}
\text { (i) Body segmented } \\
\text { (ii) Mouth with radula }
\end{array} & \text { Mollusca } \\
\hline \text { (b) } & \text { Asterias } & \begin{array}{c}
\text { (i) Spiny skinned } \\
\text { (ii) Water vascular system }
\end{array} & \text { Echinodermata } \\
\hline \text { (c) } & \text { Sycon } & \begin{array}{l}
\text { (i) Pore bearing } \\
\text { (ii) Canal system }
\end{array} & \text { Porifera } \\
\hline \text { (d) } & \text { Periplaneta } & \begin{array}{l}
\text { (i) Jointed appendages } \\
\text { (ii) Chitinous exoskeleton }
\end{array} & \text { Arthropoda } \\
\hline
\end{array}
\)

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \begin{array}{l}
\text { Column I } \\
\text { (Common name) }
\end{array} & & \begin{array}{l}
\text { Column II } \\
\text { (Zoological name) }
\end{array} \\
\hline \text { A. } & \text { Starfish } & \text { (i) } & \text { Sepia } \\
\hline \text { B. } & \text { Jellyfish } & \text { (ii) } & \text { Asterias } \\
\hline \text { C. } & \text { Devilfish } & \text { (iii) } & \text { Aurelia } \\
\hline \text { D. } & \text { Cuttlefish } & \text { (iv) } & \text { Octopus } \\
\hline & & \text { (v) } & \text { Hippocampus } \\
\hline
\end{array}
\)

Which one of the following groups of three animals is correctly matched with their one characteristic morphological feature?

\(
\begin{array}{|c|c|c|}
\hline & \text { Animals } & \text { Morphological features } \\
\hline \text { (a) } & \text { Scorpion, spider, cockroach } & \text { Ventral solid central nervous system } \\
\hline \text { (b) } & \text { Cockroach, locust, Taenia } & \text { Metameric segmentation } \\
\hline \text { (c) } & \text { Planaria, Hydra, earthworm } & \text { Triploblastic } \\
\hline \text { (d) } & \text { Centipede, prawn, sea urchin } & \text { } \quad \text { Jointed appendages } \\
\hline
\end{array}
\)

Match column I with column II and select the correct option from the codes given below.

\(
\begin{array}{|c|l|c|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Hirudin } & \text { (i) } & \text { Hydra } \\
\hline \text { B. } & \text { Canal system } & \text { (ii) } & \text { Echinodermata } \\
\hline \text { C. } & \text { Nematocysts } & \text { (iii) } & \text { Leech } \\
\hline \text { D. } & \text { Feather star } & \text { (iv) } & \text { Sponges } \\
\hline \text { E. } & \text { Insects } & \text { (v) } & \text { Termites } \\
\hline
\end{array}
\)

Identify the animal (A) and name the phylum to which it belongs (B).

Which one of the following is a matching pair of a body feature and the animal possessing it?

Animals belonging to Phylum Chordata are fundamentally characterised by the presence of structures noted as A, B, C and D. Identify them and select the correct option.

Which one of the following phyla is correctly matched with its two general characteristics?

Which of the following is/are examples of subphylum Urochordata?

Crocodile and penguin are similar to whale and dogfish in which one of the following features?

Read the given statements and select the correct option.
Statement 1: Urochordates and cephalochordates are often called invertebrate chordates.
Statement 2: Urochordates and cephalochordates are a connecting link between the invertebrates and chordates.

Read the given statements and select the correct option.
Statement 1: Cephalochordata bears notochord throughout their life.
Statement 2: In cephalochordates, notochord extends from head to tail.

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Cyclostomes } & \text { (i) } & \text { Hemichordata } \\
\hline \text { B. } & \text { Aves } & \text { (ii) } & \text { Urochordata } \\
\hline \text { C. } & \text { Tunicates } & \text { (iii) } & \text { Agnatha } \\
\hline \text { D. } & \text { Balanoglossus } & \text { (iv) } & \text { Pisces } \\
\hline \text { E. } & \text { Osteichthyes } & \text { (v) } & \text { Tetrapod } \\
\hline
\end{array}
\)

Which one of the following statements is incorrect about the occurrence of notochord?

In some chordates, the notochord is modified as the vertebral column. Such animals are called vertebrates. Which one of the following statements is correct?

A common characteristic of all vertebrates without exception is

Study the following flow chart for division of subphylum vertebrata. Fill the gaps A, B, C and D and select the correct option.

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|c|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Wings } & \text { (i) } & \text { Reptiles } \\
\hline \text { B. } & \text { Operculum } & \text { (ii) } & \text { Chondrichthyes } \\
\hline \text { C. } & \text { Scutes } & \text { (iii) } & \text { Birds } \\
\hline \text { D. } & \begin{array}{l}
\text { Cartilaginous } \\
\text { endoskeleton }
\end{array} & \text { (iv) } & \text { Osteichthyes } \\
\hline
\end{array}
\)

Match column I with column II and select the correct option.

\(
\begin{array}{|c|l|r|l|}
\hline & \begin{array}{l}
\text { Column I } \\
\text { (Excretory organs) }
\end{array} & & \begin{array}{l}
\text { Column II } \\
\text { (Animals) }
\end{array} \\
\hline \text { A. } & \text { Nephridia } & \text { (i) } & \text { Hydra } \\
\hline \text { B. } & \text { Malpighian tubules } & \text { (ii) } & \text { Leech } \\
\hline \text { C. } & \text { Protonephridia } & \text { (iii) } & \text { Shark } \\
\hline \text { D. } & \text { Kidneys } & \text { (iv) } & \text { Roundworms } \\
\hline & & \text { (v) } & \text { Cockroach } \\
\hline
\end{array}
\)

To which classes do the following animals belong?
A-Petromyzon, B-Scoliodon, C-Pristis

Which of the following is/are not the characteristic(s) of the Class Osteichthyes?
(i) Body is streamlined and mouth is terminal.
(ii) Gills are covered by operculum.
(iii) Skin covered with cycloid and placoid scales.
(iv) Many of them are viviparous.

Select the correct option in respect of characteristics of each group.

\(
\begin{array}{|l|l|l|l|}
\hline & \text { Cydostomes } & \text { Chondrichthyes } & \text { Osteichthyes } \\
\hline \text { (i) } & \begin{array}{l}
\text { Sucking } \\
\text { mouth }
\end{array} & \text { Ventral mouth } & \text { Terminal mouth } \\
\hline \text { (ii) } & \text { Scales absent } & \text { Placoid scales } & \text { Cydoid/Ctenoid scales } \\
\hline \text { (iii) } & \text { Marine } & \text { Marine } & \text { Marine and freshwater } \\
\hline \text { (iv) } & \begin{array}{l}
\mathbf{6 – 1 5} \text { pairs of } \\
\text { gills }
\end{array} & \begin{array}{l}
\text { 5-7 pairs of gills with } \\
\text { operculum }
\end{array} & \begin{array}{l}
\text { 4 pairs of gills with } \\
\text { operculum }
\end{array} \\
\hline
\end{array}
\)

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Cartilaginous fishes } & \text { (i) } & \begin{array}{l}
\text { Usually external } \\
\text { fertilisation }
\end{array} \\
\hline \text { B. } & \text { Bony fishes } & \text { (ii) } & \text { Internal fertilisation } \\
\hline & & \text { (iii) } & \text { Mostly oviparous } \\
\hline & & \text { (iv) } & \text { Mostly viviparous } \\
\hline & & \text { (v) } & \text { Direct development } \\
\hline
\end{array}
\)

The figure of Labeo rohita is given below. Identify the parts labelled as A, B, C, D and E.

Which of the following is a correct match?

Which of the following group is formed of only the hermaphrodite organisms?

Which of the following statements is/are correct or incorrect regarding Class Amphibia?
(i) Body is divisible into head and trunk. Tail is present in some amphibians.
(ii) Show respiration by gills, lungs and through skin.
(iii) Has scales in all its members.
(iv) Can lead dual life (aquatic and terrestrial).
(v) Has eyelids.

Read the given statements and select the correct option. Statement 1: Amphibians often hibernate in winter and aestivate in summer.
Statement 2: Amphibians are poikilothermic animals and cannot regulate body temperature.

The limbless amphibian is

Identify the given animal.

Which of the following groups of animals are coelomates?

Match column I with column II and select the correct option.

\(
\begin{array}{|c|l|c|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Octopus } & \text { (i) } & \text { Limbs } \\
\hline \text { B. } & \text { Crocodile } & \text { (ii) } & \text { Comb plates } \\
\hline \text { C. } & \text { Catla } & \text { (iii) } & \text { Arms } \\
\hline \text { D. } & \text { Ctenoplana } & \text { (iv) } & \text { Fins } \\
\hline
\end{array}
\)

Amphibians share with reptiles all of the following characters except

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?

Match column I with column II and select the correct option from the codes given below.

\(
\begin{array}{|c|l|r|l|}
\hline & \begin{array}{l}
\text { Column I } \\
\text { (Scientific name) }
\end{array} & & \begin{array}{l}
\text { Column II } \\
\text { (Common name) }
\end{array} \\
\hline \text { A. } & \text { Testudo } & \text { (i) } & \text { Tortoise } \\
\hline \text { B. } & \text { Calotes } & \text { (ii) } & \text { Garden lizard } \\
\hline \text { C. } & \text { Hydrophis } & \text { (iii) } & \text { Wall lizard } \\
\hline \text { D. } & \text { Hemidactylus } & \text { (iv) } & \text { Sea snake } \\
\hline
\end{array}
\)

Read the following.
(i) Body is covered by dry and cornified skin, epidermal scales or scutes
(ii) They have no external ear
(iii) Crawling, creeping habit
(iv) 3-chambered heart

The characteristics given above are associated with

Which of the following is incorrectly matched?

The flightless bird among the following is

Identify the following animals and select the correct option.

Consider the following statements (A-D) each with one or two blanks.
A. Four characters of chordates are the presence of (i), dorsal hollow nervous system, (ii) and muscular tail.
B. Agnatha are the most primitive craniates. They are commonly called (iii) vertebrates.
C. Electric ray belongs to Class (iv) while sea horse belongs to Class (v).
D. (vi) are also defined as feathered bipeds. These have a (vii) gland on the tail.
Which one of the following options, correctly fills any two of the given statements?

Which of the following characters does not fit for Class Aves?

Which of the following classes is incorrectly matched with its general characters?

Select the correct option that represents examples of the following types of animals.
(i) Cold blooded animal
(ii) Warm blooded animal
(iii) Animal possessing dry and cornified skin
(iv) Hermaphrodite animal

Which among these is not a homeotherm?

Identify the following animals and the classes to which they belong.

Which of the following is a correct sequence of decreasing order of number of species?

Identify the aquatic mammal(s) from the following.
(i) Balaenoptera
(ii) Equus
(iii) Delphinus
(iv) Pteropus
(v) Felis

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|c|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Amphibia } & \text { (i) } & \text { Air bladder } \\
\hline \text { B. } & \text { Mammals } & \text { (ii) } & \text { Cartilaginous notochord } \\
\hline \text { C. } & \text { Chondrichthyes } & \text { (iii) } & \text { Mammary glands } \\
\hline \text { D. } & \text { Osteichthyes } & \text { (iv) } & \text { Pneumatic bones } \\
\hline \text { E. } & \text { Cyclostomata } & \text { (v) } & \text { Dual habitat } \\
\hline \text { F. } & \text { Aves } & \text { (vi) } & \begin{array}{l}
\text { Sucking and circular } \\
\text { mouth without jaws }
\end{array} \\
\hline
\end{array}
\)

Which of the following characters is absent in all chordates except mammals?

Examine the figures given below and identify the option which represents correct grouping of the labelled figures A, B, C and D.

Which of the following pairs are correctly matched?

\(
\begin{array}{|l|l|}
\hline \text { Animals } & \text { Morphological features } \\
\hline \text { (i) Crocodile } & \text { 4-chambered heart } \\
\text { (ii) Sea Urchin } & \text { Parapodia } \\
\text { (iii) Obelia } & \text { Thecodont } \\
\text { (iv) Lemur } & \text { Thecodont } \\
\hline
\end{array}
\)

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Labeo rohita } & \text { (i) } & \text { Red junglefowl } \\
\hline \text { B. } & \text { Gallus gallus } & \text { (ii) } & \text { Rohu } \\
\hline \text { C. } & \text { Bos indicus } & \text { (iii) } & \text { Tussar silkmoth } \\
\hline \text { D. } & \text { Antheraea mylitta } & \text { (iv) } & \text { Cattle } \\
\hline
\end{array}
\)

Which of the following is an exclusive character of Class Mammalia?

Given below are four matchings of an animal and its kind of respiratory organ.
A. Silverfish – Trachea
B. Scorpion – Booklung
C. Sea squirt – Pharyngeal gill slits
D. Dolphin – Skin
The correct matchings are

Development of which organism includes rhabditiform larva?

_____ remove ammonia through organ of Bojanus.

Which of the following is wrongly matched?

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Ammocoete larva } & \text { (i) } & \text { Sea horse } \\
\hline \text { B. } & \text { Crocodiles } & \text { (ii) } & \text { Penguin } \\
\hline \text { C. } & \text { Fish } & \text { (iii) } & \text { Lamprey } \\
\hline \text { D. } & \text { Bird } & \text { (iv) } & \text { Reptilia } \\
\hline \text { E. } & \text { Mammal } & \text { (v) } & \text { Bat } \\
\hline
\end{array}
\)

Select the correct option that represents examples of the following types of animals.
(i) Roundworm
(ii) Fish possessing poison sting
(iii) A limbless amphibian
(iv) An oviparous mammal

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

What is common between parrot, platypus and kangaroo?

In which one of the following, the genus name, its two characters and its class/phylum are correctly matched?

\(
\begin{array}{|c|c|c|c|c|}
\hline & \begin{array}{l}
\text { Genus } \\
\text { name }
\end{array} & & \text { Two characters } & \begin{array}{c}
\text { Class/ } \\
\text { Phylum }
\end{array} \\
\hline \text { (a) } & \text { Aurelia } & \begin{array}{l}
\text { (i) } \\
\text { (ii) }
\end{array} & \begin{array}{l}
\text { Cnidoblast } \\
\text { Organ level of } \\
\text { organization }
\end{array} & \text { Coelenterata } \\
\hline \text { (b) } & \text { Ascaris } & \begin{array}{l}
\text { (i) } \\
\text { (ii) }
\end{array} & \begin{array}{l}
\text { Body segmented } \\
\text { Males and } \\
\text { females distinct }
\end{array} & \text { Annelida } \\
\hline \text { (c) } & \text { Salamander } & \begin{array}{l}
\text { (i) } \\
\text { (ii) }
\end{array} & \begin{array}{c}
\text { A tympanum represents the ear } \\
\text { Fertilization is } \\
\text { external }
\end{array} & \text { Amphibia } \\
\hline \text { (d) } & \text { Pteropus } & \begin{array}{l}
\text { (i) } \\
\text { (ii) }
\end{array} & \begin{array}{c}
\text { Skin possesses hair } \\
\text { Oviparous }
\end{array} & \text { Mammalia } \\
\hline
\end{array}
\)

Match column I with column II and select the correct option from the given codes.

\(
\begin{array}{|c|l|r|l|}
\hline & \text { Column I } & & \text { Column II } \\
\hline \text { A. } & \text { Protochordata } & \text { (i) } & \text { Delphinus } \\
\hline \text { B. } & \text { Limbless amphibia } & \text { (ii) } & \text { Myxine } \\
\hline \text { C. } & \text { Oviparous mammal } & \text { (iii) } & \text { Ornithorhynchus } \\
\hline \text { D. } & \text { Aquatic mammal } & \text { (iv) } & \text { Doliolum } \\
\hline \text { E. } & \text { Jawless vertebrate } & \text { (v) } & \text { Ichthyophis } \\
\hline
\end{array}
\)

Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?

Refer to the given figures A-D and select the incorrect statement regarding them.

Which of the following are correct?
(i) Sponges: Cellular level of organisation
(ii) Cnidaria: Tissue level of organisation
(iii) Platyhelminthes: Organ level of organisation
(iv) Annelids, Arthropods, Molluscs, Echinoderms and Chordates: Organ system level of organisation

Refer to the given figure and select the correct option regarding it.

Refer to the given names of animals.
Taenia, Tubifex, Peripatus, Unio, Asterias, Salamandra, Chameleon, Pheretima, Sepia.

How many of these animals are with protostomic body plan?

Recognise the animal given in the diagram and select the correct statement regarding this animal.

The cross-section of the body of an invertebrate is given below. Identify the animal, which has this body plan.

Which of the following taxa contain exclusively marine animals?

In the given Venn diagram where would you place Ornithorhynchus and Struthio?

Match animals given in column B with their respective mode of locomotion from column A and select the correct option.

\(
\begin{array}{|c|l|c|l|}
\hline & \text { Column A } & & \text { Column B } \\
\hline \text { w. } & \text { Ciliary locomotion } & \text { I. } & \text { Earthworm } \\
\hline \text { x. } & \text { Looping movements } & \text { II. } & \text { Nereis } \\
\hline \text { y. } & \begin{array}{l}
\text { Locomotion by setae and } \\
\text { parapodia }
\end{array} & \text { III. } & \text { Crab } \\
\hline \text { z. } & \begin{array}{l}
\text { Circular and longitudinal } \\
\text { muscles in the body }
\end{array} & \text { IV. } & \text { Planaria } \\
\hline & & \text { V. } & \text { Amoeba } \\
\hline & & \text { VI. } & \text { Leech } \\
\hline
\end{array}
\)