Animal Kingdom Exam Questions Class 11 Biology

Please see Chapter 4 Animal Kingdom Exam Questions Class 11 Biology below. These important questions with solutions have been prepared based on the latest examination guidelines and syllabus issued by CBSE, NCERT, and KVS. We have provided Class 11 Biology Exam Questions and answers for all chapters in your NCERT Book for Class 11 Biology. These solved problems for Animal Kingdom in Class 11 Biology will help you to score more marks in upcoming examinations.

Exam Questions Chapter 4 Animal Kingdom Class 11 Biology

Objective Questions

Question. Choose the false option
(a) Sponges: mostly asymmetrical
(b) Cnidaria, ctenophora and adult Echinoderms : radial symmetry
(c) Annelids, arthropods, molluscs and chordates: bilateral symmetry
(d) None of these

Question. An undifferentiated layer present between ectoderm and endoderm is
(a) Mesoglea
(b) Mesoderm
(c) Mesentery
(d) Parenchyma

Question. Metamerism is the charaterristic of
(a) Platyhelminthes
(b) Mollusca
(c) Porifera
(d) Annelids

Question. Which one is correct?
(a) Notochord is ectodermal in origin present in some animals
(b) Notochortd is mesodermally derived, rod like structure formed, one on the dorsal side in embryonic development in some animals
(c) Porifera to Echinodermata are non-chordates
(d) (b) and (c)

Question. Sponges are
(a) Mostly asymmetrical and usually marine
(b) Primitive multicellular with cellular grade of organisation
(c) Members of porifera
(d) All

Question. Spongocoel and canal are linked by
(a) Porocytes
(b) Choanocytes
(c) Spicules
(d) Amoebocytes

Question. Which of the following are Fresh water sponges
(a) Sycon
(b) Spongilla
(c) Bath sponges
(d) All

Question. Which of the following characteristics is not associated with members of cnidaria?
(a) Alteration of generation
(b) Nematocysts, gastrovascular cavity, extracellular + intracellular digestion
(c) Nematocysts/ Cnidoblast
(d) Triploblastic forms

Question. Which of the following is true about the Cnidoblasts?
(a) They are present on tentacles of the body
(b) They are used for anchorage, defence and for capture of the prey
(c) They contain stinging capsule or nematocysts
(d) All

Question. Polyp is cylindrical and sessile. It is seen in
(a) Hydra
(b) Adamsia
(c) Both (a) and (b)
(d) Aurelia

Question. The metagenesis is seen in
(a) Hydra
(b) Adamsia
(c) Aurelia
(d) obelia

Question. Comb jellies or sea walnuts are placed under
(a) Cnidaira
(b) Ctenophora
(c) Echinodermata
(d) Annelida

Question. The following characters are shown by
A. Extracellular and intracellular digestion
B. Excluively marine, radially symmetrical, diploblastic, tissue level organisation
C. Bisexual, external fertilisation and indirect development
D. No asexual reproduction
E. Presence of 8 comb plates
Options :
(a) Cnidaria
(b) Porifera
(c) Ctenophora
(d) Rotiffers

Question. Platyhelminthes are
(a) Roundworms
(b) Flatworms
(c) Blindworms
(d) Pinworms

Question. What is common among tapeworms, fasicola and planaria?
(a) All are coelomate
(b) All are found in gut
(c) All are flattened bodies
(d) All are free living

Question. Which of the following is not the common fundamental feature for animal classification?
(a) Germinal layers.
(b) Pathway of water transport.
(c) Pattern of organization of cells.
(d) Serial repetition of the segments.

Question. Which of the following is a fresh water sponge?
(a) Sycon
(b) Euspongia
(c) Spongilla
(d) Pleurobrachia

Question. Meandrina (brain coral) belongs to phylum
(a) porifera
(b) coelenterata
(c) ctenophora
(d) platyhelminthes

Question. Flame cells present in platyhelminthes are specialized in
(a) respiration and absorption.
(b) osmoregulation and circulation.
(c) respiration and excretion.
(d) osmoregulation and excretion.

Question. Which of the following group of animals reproduces only by sexual means?
(a) Ctenophora
(b) Cnidaria
(c) Porifera
(d) Protozoa

Question. Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.
(a) visceral hump
(b) parapodia
(c) radula
(d) spicules

Question. Which of the following is a living fossil?
(a) Balanoglossus
(b) Echinus
(c) Ancylostoma
(d) Limulus

Question. In phylum arthropoda, excretion takes place through
(a) nephridia
(b) flame cells
(c) malphigian tubules
(d) gills

Question. In which of the phylum, excretory organ like proboscis gland is present?
(a) Hemichordata
(b) Chordata
(c) Echinodermata
(d) Annelida

Question. Which of the following possesses electric organs and belongs to class chondrichthyes?
(a) Torpedo
(b) Petromyzon
(c) Trygon
(d) Exocoetus

Question. 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

Question. In amphibians, heart is ________ chambered.
(a) two
(b) three
(c) four
(d) none of these

Question. Which of the following is a poisonous snake?
(a) Naja (Cobra)
(b) Bangarus (Krait)
(c) Viper (Viper)
(d) All of these

Statement Type Questions

Question. Which of the following statements (i – v) are incorrect?
(i) Parapodia are lateral appendages in arthropods 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.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i), (iv) and (v)
(d) (iii) and (v)

Question. 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

Question. 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.

Question. 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

Question. 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 air-bladder regulate buoyancy.
(d) Marine animals with cartilaginous endoskeleton and body is covered with placoid scales.

Question. Which of the following statement(s) is/are correct regarding class aves?
(i) The forelimbs are modified into wings and the hindlimbs generally have scales and are modified for
walking, swimming or clasping the tree branches.
(ii) Heart is completely four-chambered.
(iii) They are warm- blooded (homoiothermous) animals i.e., they are able to maintain a constant body temperature.
(iv) They are oviparous and development is direct.
(a) Both (i) and (iii)
(b) Both (i) and (iv)
(c) (i), (ii) and (iii)
(d) All of these

Question. 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.

Question. Which of the follwoing statement(s) is/are correct?
(i) Organ systems in different group of animals show various patterns of complexities.
(ii) The digestive system in platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete.
(iii) In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are
directly bathed in it.
(iv) In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins
and capillaries).
(a) Only (i)
(b) Both (ii) and (iii)
(c) (i), (iii) and (iv)
(d) All of these

Question. 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

Question. 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

Question. Which of the following class is being described by the given statements (i – iv)?
(i) They are found in a variety of habitats- polar icecaps, deserts, mountains, forests, grasslands and
dark caves.
(ii) Most unique mammalian characteristic is the presence of mammary glands by which the young ones are nourished.
(iii) Heart is four-chambered.
(iv) Sexes are separate and fertilization is internal.
(a) Reptilia
(b) Aves
(c) Mammalia
(d) Amphibia

Question. 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.

Assertion/Reason Type Questions

In the following questions, a statement of Assertion is followed by a statement of Reason.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

Question. Assertion : The duck-billed Platypus and the spiny anteater, both are egg-laying animals yet they are grouped under mammals.
Reason : Both of them have seven cervical vertebrae and 12 pairs of cranial nerves.

Question. Assertion : Tapeworm, roundworm and pinworm are endoparasites of human intestine.
Reason : Improperly cooked food is the source of intestinal infections.

Question. Assertion : Ambulacral system plays major role in locomotion of echinoderm.
Reason : Hydraulic pressure of fluid and contraction of muscle of tube feet make possible movement of echinoderm.

Matching Type Questions

Question. Column-I contains organisms and column-II contains their exeretory structures. Choose the correct match form the options given below.

Column- I (Organism)	Column -II (Excretory structures)
A. Cockroach	I. Nephridia
B. Cat fish	II. Malpighian tubules
C. Earthworm	III. Kidneys
D. Balanoglossus	IV. Flame cells
E. Flatworm	V. Proboscis gland

(a) A – I; B – III; C – II; D – IV; E – V
(b) A – III; B – I; C – II; D – V; E – IV
(c) A – II; B – I; C – III; D – V; E – IV
(d) A – II; B – III; C – I; D – V; E – IV

Question. Column I contains zoological names of animals and column II contains their common name. Match the following and choose the correct option.

Column -I	Column- II
A. Physalia	I. Sea anemone
B. Meandrina	II. Brain coral
C. Gorgonia	III. Sea fan
D. Adamsia	IV. Portuguese man-of-war

(a) A – III; B – II; C – I; D – IV
(b) A – IV; B – III; C – II; D – I
(c) A – IV; B – II; C – III; D – I
(d) A – II; B – III; C – I; D – IV

Question. Match the phylum given in column – I with their example given in column – II and choose the correct option.

Column -I (Phylum)	Column- II (Examples)
A. Echinodermata	I. Ascidia, Doliolum
B. Hemichordata	II. Asterias, Ophiura
C. Urochordata	III. Branchiostoma
D. Cephalochordata	IV. 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

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

Genus	Two characters	Class/ name phylum
(a) Ascaris	(i) Body segmented (ii) Males and females distinct	Annelida
(b) Salamandra	(i) A tympanum represents ear (ii) Fertilization is internal	Amphibia
(c) Pteropus	(i) Skin possesses hair (ii) Viviparous	Mammalia
(d) Aurelia	(i) Cnidoblasts (ii) Organ level of organization	Coelenterata

Question. Match the animal name (column-I), with its characteristics (column-II), and the phylum/class (column-III) to which it belongs.

	Column – I	Column- II	Column -III
(a)	Ichthyophis	Terres trial	Reptilia
(b)	Limulus	Body covered by chitinous exoskeleton	Pis ces
(c)	Adamsia	Radially symmetrical	Porifera
(d)	Petromyzon	Ectoparasite	Cyclostomata

Question. Column I contains the characteristics features and column II contains the function/ location. Select the correct match from the option given below.

Column-I (Characteristic feature)	Column-II (Function/Location)
A. Water canal system	(i) Sponges
B. Comb plates	(ii) Help in swimming
C. Nephridia	(iii) Present in mollusca
D. Jointed appendages	(iv) Characteristics of roundworm
E. Muscular foot	(v) A body part of arthropoda
	(vi) Helps in reproduction
	(vii) Platyhelminthes
	(viii) Helps in osmoregulation and excretion
	(ix) Eight ciliated external rows present in a body of ctenophora.

A B C D E
(a) (i) (ix) (viii) (v) (iii)
(b) (iii) (i) (vi) (ii) (v)
(c) (ii) (v) (i) (iv) (ix)
(d) (iii) (vi) (iv) (v) (i)

Question. Match the features given in column I with their examples given in column II and choose the correct match from the option given below.

Column-I (Features)	Column-II (Examples)
A. Pseudocoelomates	(i) Hydra, Adamsia
B. Diploblastic	(ii) Ctenoplana, Aurelia
C. Cellular level of organization	(iii) Ascaris, Wuchereria
D. Radial symmetry	(iv) Sycon, Spongilla
E. Metamerism	(v) Pheretima, Neries

A B C D E
(a) (v) (ii) (iv) (iii) (i)
(b) (iii) (i) (iv) (ii) (v)
(c) (ii) (i) (iii) (v) (iv)
(d) (iii) (ii) (iv) (i) (v)