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Biological Classification Animals II MCQ
Quiz 13
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Q.1
Ichthyophis differs from Rana by means of:
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a) Dermal scales and external fertilization
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b) Internal fertilization without parental care.
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c) Absence of limns and indirect development
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d) Dermal scales and internal fertilization
Explanation
Answer:(d)
Q.2
Identify the mammalian order in which members are characterised by even toes, compound stomach and absence of incisors in the upper jaw:
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a) Proboscida
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b) Perissodactyla
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c) Aritodactyla
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d) Chiroptera
Explanation
Answer:(c)
Q.3
Completely aquatic mammals like whales belong to the order:
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a) Primata
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b) Lagomorpha
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c) Chiroptera
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d) Cetacea
Explanation
Answer:(d)
Q.4
Axolotl larva of Ambystoma normally fails to metamorphose due to:
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a) Lack of calcium and magnesium ions in water.
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b) Absence of phosphorus in water.
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c) Lack of iodine in water.
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d) High concentration of iodine in body
Explanation
Answer:(c)
Q.5
Which of the following statements is incorrect about birds?
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a) The two clavicles and one interclavicle forms a V shaped bone called Furcula
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b) The eyes of birds are peculiar due to the presence of pectin
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c) Flying birds have sternum with keel.
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d) In birds the left ovary and oviduct is atrophied.
Explanation
Answer:(d)
Q.6
Whale is a mammal because:
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a) Heart has four chambers
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b) It is aquatic with streamlined body
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c) It lays eggs and produce milk
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d) Diaphragm is found between thorax and abdomen
Explanation
Answer:(d)
Q.7
Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
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a) It is present only in larval tail in Ascidia.
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b) It is replaced by a vertebral column in adult frog
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c) It is absent throughout life in humans from the very beginning.
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d) It is present throughout life in Amphioxus
Explanation
Answer:(c)
Q.8
Select the correct option that represents the examples of the following types of animals: (i) Cold blooded animal. (ii) Warm blooded animal. (iii) Animal possessing fry and cornified skin. (iv) Dioecious animal.
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a) (i) Frog, (ii) Pigeon, (iii) Wall lizard, (iv) Earthworm.
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b) (i) Pigeon, (ii) Frog, (iii) Crocodile, (iv) Hydra
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c) (i) Rabbit, (ii) Fish, (iii) Frog, (iv) Earthworm.
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d) (i) Fish, (ii) Frog, (iii) Wall lizard, (iv) Starfish
Explanation
Answer:(a)
Q.9
A character that mammals do not share with other vertebrates:
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a) Four chambered heart
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b) Epidermal derivatives
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c) Copulatory organ
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d) Sweat glands
Explanation
Answer:(d)
Q.10
Which of the following vertebrates belong to the same order?
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a) Pteropus and Macropus
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b) Eqqus and Camelus
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c) Canis and Panthera
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d) Maccaca and Macropus
Explanation
Answer:(c)
Q.11
Which two characters are absent in mammals:
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a) Single mandible and monocondylic skull.
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b) Sinus venosus and interventricular septum
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c) Spirally coiled cochlea and corpora bengimena
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d) Right aortic arch and renal portal system.
Explanation
Answer:(d)
Q.12
Which of the following characters in birds differentiate them from mammals?
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a) Right aortic arch and Absence of left ovary and oviduct.
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b) Right aortic arch and Absence of right ovary and oviduct.
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c) Presence of synrix and internal fertilization.
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d) Presence of diaphragm and feathers on the body.
Explanation
Answer:(b)
Q.13
Following are certain characteristics regarding Cyclostomata. Identify the correct characteristics: (i) They have an elongated body having 4 pairs of gill slits. (ii) They have a sucking and circular mouth without jaws. (iii) Their body is covered by scales and paired fins. (iv) Cranium and vertebral column are cartilaginous. (v) Circulation is of closed type.
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a) (i), (iii) and (v) only.
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b) (ii), (iv) and (v) only.
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c) (i), (ii) and (v) only.
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d) (ii), (iii) and (iv) only.
Explanation
Answer:(b)
Q.14
The cross section of the body of an invertebrate is given below: Identify the animal, which has this body plan?
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a) Periplanata
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b) Ascaris
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c) Planaria
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d) Pheretima
Explanation
Answer:(c)
Q.15
Tortoise and ostrich are similar to dolphin and sting ray in which one of the following features:
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a) Possess a ventral solid nerve chord
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b) Possess pharyngeal gill slits at some stage.
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c) Lay eggs and guard them till they hatch
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d) Possess four chambered heart.
Explanation
Answer:(b)
Q.16
Five statements are given. Two are incorrect. Find them? (i) Among amphibians, respiration is by gills, lungs and through skin. (ii) Air bladder regulates buoyancy in all fishes. (iii) Cartilaginous fishes have no gill cover. (iv) Notochord persists throughout the life in tunicates. (v) In Cyclostomata, cranium and vertebral column are made of cartilages.
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a) (i) and (iii)
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b) (ii) and (iv)
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c) (iii) and (iv)
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d) (i) and (v)
Explanation
Answer:(b)
Q.17
Which one of the following pairs of animals does not belong to the same class?
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a) Testudo and Naja
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b) Hyla and Ichthyophis
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c) Psittacula and Neophron
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d) Pterophyllum and Pristis
Explanation
Answer:(d)
Q.18
In the given diagram what does A represent:
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a) Hooks.
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b) Suckers.
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c) Flame cells
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d) Ostia.
Explanation
Answer:(b)
Q.19
Identify the organisms with its correct match:
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a) Salamandra – aquatic – Reptilia.
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b) Locusta – Calcareous exoskeleton – Mollusca
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c) Adamsia – Radially symmetrical – Echinodermata
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d) Pterophyllum – Four pairs of gill slits – Osteichthys.
Explanation
Answer:(d)
Q.20
The body of Pristis is covered by:
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a) Placoid scales but tail is homocercal
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b) Cycloid scales but tail is heterocercal
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c) Cycloid scales but tail is homocercal
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d) Placoid scales but tail is heterocercal
Explanation
Answer:(d)
Q.21
Which of the following is a poikilotherm?
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a) Balaenoptera
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b) Echidna
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c) Chelone
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d) Maccaca
Explanation
Answer:(c)
Q.22
Which of the following is an exclusive mammalian character?
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a) Presence of heterodont, thecodont and diphyodont dentition.
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b) Presence of seven cervical vertebrae.
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c) Ear pinna and biconcave RBC.
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d) Muscular diaphragm and mammary glands
Explanation
Answer:(d)
Q.23
Find the correct match regarding mammalian orders:
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a) Cetacea – Aquatic mammals, hind limbs modified as flippers and abdominal testis.
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b) Aritodactyla – Even toed, simple stomach, incisors and canines are absent in upper jaw.
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c) Proboscida – Abdominal testis, elongation of canines to form tusk.
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d) Carnivora – Elongated canines and presence of carnassials teeth
Explanation
Answer:(d)
Q.24
How many statements are incorrect regarding aves? (i) Glandular skin and homeothermy. (ii) Spongy elastic lungs with air sacs. (iii) Digestive tract with crop and gizzard and it opens out through cloaca. (iv) Four chambered heart, left aortic arch and double circulation. (v) Monocondylic skull, 12 pairs of cranial nerves with uropygial gland.
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a) i), (iii) and (v)
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b) (i), (iv) and (v)
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c) (i), (ii) and (iv)
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d) (ii), (iii) and (iv)
Explanation
Answer:(c)
Q.25
Birds possess:
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a) Right ovary
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b) Left aortic arch
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c) Left ovary
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d) Conus arteriosus
Explanation
Answer:(c)
Q.26
Just as mammalia is to chordata so is:
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a) Cetacea to vertebrate
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b) Tetrapoda to Gnathostomata
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c) Insecta to Arthropoda
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d) Cyclostomata to vertebrate
Explanation
Answer:(c)
Q.27
Consider the following statements and find the true statement: (i) In Amphioxus notochord persists throughout the life. (ii) Salpa and Doliolum are Urochordata with sedentary life. (iii) Hemichordates are not chordates. (iv) In cyclostomes, skeleton is cartilaginous. (v) After metamorphosis, larva of lampreys returns to fresh water.
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a) (i) and (iv)
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b) (i), (iii) and (iv)
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c) ii), (iv) and (v)
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d) (i) and (iii)
Explanation
Answer:(b)
Q.28
Two features that make Reptiles, true land animals are:
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a) Lung respiration and pentadactyl limbs
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b) Oviparity and dry epidermal scales
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c) Internal fertilization and Poikilothermy
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d) Internal fertilization and amniotic eggs
Explanation
Answer:(d)
Q.29
Which of the following is not a unique character of chordates?
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a) Dorsal tubular nerve chord.
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b) Pharyngeal gill slits.
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c) Ventral heart and hepatic portal system.
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d) Bilateral symmetry
Explanation
Answer:(d)
Q.30
Scales of lizards and snakes are derived from:
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a) Ectoderm
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b) Mesoderm.
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c) Endoderm
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d) Both (A) and (C).
Explanation
Answer:(a)
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