CBSE Class 11 Biology Animal Kingdom MCQs Set 03

Question: Find the odd one out with respect to the respiratory organ.
a) Blue whale
b) Tadpole of frog
c) Shark
d) Bony fish
Answer: a

Question: Which set of characters belongs to the same phylum?
a) First true coelomates and nephridia as the excretory structures.
b) Pseudocoelomates and flame cells as the excretory structures.
c) Acoelomates and metanephridia cells as the excretory structures.
d) Eucoelomates and flame cells as the excretory structures
Answer: a

Question: Which of the following is an abundant connective tissue of body?
a) Adipose tissue, beneath skin
b) Areolar connective tissue, beneath skin
c) Dense connective tissue, tendons
d) Specialized connective tissue, blood
Answer: b

Question: Collar cells form the lining of spongocoel in-
a) Jelly fish
b) Sycon
c) Taenia
d) Pila
Answer: b

Question: Which one of the following is associated with excretion in amoeba?
a) Endoplasm
b) Mitochondria
c) Food vacuole
d) Plasma membrane
Answer: d

Question: The organism can be divided into equal halves by passing through a plane at any angle along a central axis is called:
a) Radial symmetry
b) Bilateral symmetry
c) Asymmetry
d) More than one option is correct
Answer: a

Question: Which of the following feature is common between birds and mammals?
a) Pigmented skin and bony endoskeleton
b) Pulmonary respiration and four-chambered heart
c) Viviparity and 12 pair of cranial nerves
d) Homeotherms and three-chambered Heart
Answer: b

Question: The excretory structures of flatworms/ Taenia are
a) flame cells
b) protonephridia
c) Malpighian tubules
d) green glands.
Answer: a

Question: Which group of animals belong to the same phylum?
a) Prawn, Scorpion, Locusta
b) Sponge, Sea anemone, Starfish
c) Malarial parasite, Amoeba, Mosquito
d) Earthworm, Pinworm, Tapeworm
Answer: a

Question: The contractile vacuole is an important site for excretion and it is absent in
a) Euglena
b) Entamoeba
c) Amoeba
d) Paramocium
Answer: b

Question: Select the correct order of phyla on the basis of the number of species.
a) Mollusca > Arthropoda > Chordata
b) Arthropoda > Mollusca > Chordata > Aschelminthes
c) Arthropoda > Chordata > Mollusca
d) Arthropoda > Aschelminthes > Chordata
Answer: b

Question: The given group of animals belongs to Gnathostomata and bear limbs are:
a) Myxine, Clarius, Exocoetus
b) Ichthyophis, Hippocampus, Bufo
c) Hyla, Chelone, Corvus
d) Chelone, Betta, Psittacula
Answer: c

Question: One of the representatives of Phylum Arthropoda is
a) puffer fish
b) flying fish
c) cuttle fish
d) silver fish.
Answer: d

Question: Feet of kingfisher are modified for
a) wading
b) perching
c) running
d) catching.
Answer: a

Question: Find the incorrect match between animals and their features.
a) Pseudocoelomates: Ancylostoma and Ascaris.
b) Radiata: Asterias and Ascidia
c) Metagenesis: Obelia and Physalia
d) Bioluminescence : Pleurobranchia and Ctenoplana
Answer: c

Question: Which one of the following animals possesses nerve cells but no nerves?
a) Hydra
b) Tapeworm
c) Earthworm
d) Frog’s tadpole
Answer: a

Question: Triploblastic, unsegmented, acoelomate, exhibit bilateral symmetry, reproducing both asexually and sexually with some parasitic forms. This description is characteristic of the phylum.
a) Cnidaria
b) Platyhelminthes
c) Annelida
d) Ctenophora
Answer: b

Question: Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
a) Three pairs of legs and segmented body.
b) Chitinous cuticle and two pairs of antennae.
c) Jointed appendages and chitinous exoskeleton.
d) Cephalothorax and trachae.
Answer: c

Question: Single filament of Nostoc without mucilage sheath is called as
a) colony
b) mycelium
c) trichome
d) hyphae
Answer: c

Question: Which of the following epithelium is most suitable for the quick exchange of materials through membranes via filtration or diffusion?
a) Simple squamous epithelium
b) Simple cuboidal epithelium
c) Simple columnar epithelium
d) All of the options
Answer: a

Question: Presence of gills in the tadpole of frog indicates that
a) fish were amphibious in the past
b) fish evolved from frog-like ancestors
c) frogs will have gills in future
d) frogs evolved from gilled ancestors.
Answer: d

Question: Haemocoel is found in-
a) Hydra and Aurelia
b) Taenia and Ascaris
c) Cockroach and Scorpion
d) Balanoglossus and Petromyzon
Answer: c

Question: How many ovaries are found in birds ?
a) One
b) Two
c) Three
d) Many
Answer: a

Question: Which are exclusively viviparous ?
a) Bony fishes
b) Cartilagenous fishes
c) Sharks
d) Whales
Answer: d

Question: Which among these is the correct combination of aquatic mammals?
a) Dolphins, Seals, Trygon
b) Whales, Dolphins, Seals
c) Trygon, Whales, Seals
d) Seals, Dolphins, Sharks
Answer: b

Question: Which of the following animals does not undergo metamorphosis?
a) Earthworm
b) Tunicate
c) Moth
d) Starfish
Answer: a

Question: Which of the following features is not present in the Phylum Arthropoda?
a) Parapodia
b) Jointed appendages
c) Chitinous exoskeleton
d) Metameric segmentation
Answer: a

Question: Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
a) It is present only in larval tail in ascidian.
b) It is replaced by a vertebral column in adult frog.
c) It is absent throughout life in humans from the very beginning.
d) It is present throughout life in Amphioxus.
Answer: c

Question: Which one of the following statements about certain given animals is correct?
a) Roundworms (Aschelminthes) are pseudocoelomates.
b) Molluscs are acoelomates.
c) Insects are pseudocoelomates.
d) Flatworms (Platyhelminthes) are coelomates.
Answer: a

Question: Select the taxon mentioned that represents both marine and fresh water species.
a) Echinoderms
b) Ctenophora
c) Cephalochordata
d) Cnidaria
Answer: d

Question: The organism where the adult shows pentaradial symmetry, while the larval forms shows bilateral symmetry is.
a) Apis
b) Pleurobrachia
c) Antedon
d) Adamsia
Answer: c

Question: Taenia saginata differs from Taenia solium in
a) absence of scolex hooks
b) absence of scolex hooks and uterine branching
c) absence of scolex hooks and presence of both male and female reproductive organs
d) presence of scolex hooks.
Answer: a

Question: Which one 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
Answer: b

Question: What is the number of chambers in the heart of Periplaneta americana?
a) 2 chambers
b) 4 chambers
c) 13 chambers
d) 11 chambers
Answer: c

Question: In which of the following, notochord is present in embryonic stage?
a) All chordates
b) Some chordates
c) Vertebrates
d) Non chordates
Answer: a

Question: Two common characters found in centipede, cockroach and crab are
a) book lungs and antennae
b) compound eyes and anal cerci
c) jointed legs and chitinous exoskeleton
d) green gland and tracheae.
Answer: c

Question: Temperature changes, in the environment, affect most of the animals which are
a) poikilothermic
b) homoiothermic
c) aquatic
d) desert living.
Answer: a

Question: Which of the following is correctly matched?
a) Human -Renal portal system
b) Earthworm – Closed circulatory system
c) Cockroach – Nephridia
d) None of the options
Answer: b

Question: A chordate character is
a) gills
b) spiracles
c) post-anal tail
d) chitinous exoskeleton.
Answer: c

Question: Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
a) Reptilia; Annelida
b) Insecta; Arthropoda
c) Insecta; Annelida
d) Reptilia; Arthropoda
Answer: a