Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal). (b) All bony fishes have four pairs of gills and an operculum on each side. (c) All sponges are marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Which one of the following categories of animals, is
correctly described with no single exception in it?
(a) All reptiles possess scales, have a three chambered
heart and are cold blooded (poikilothermal).
(b) All bony fishes have four pairs of gills and an
operculum on each side.
(c) All sponges are marine and have collared cells.
(d) All mammals are viviparous and possess
diaphragm for breathing.
by

1 Answer

Answer :

(b) All bony fishes have four pairs of gills and an
operculum on each side.
by

Related questions

Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal). (b) All bony fishes have four pairs of gills and an operculum on each side. (c) All sponges are marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Description : Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded ( ... marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

Last Answer : (b) All bony fishes have four pairs of gills and an operculum on each side

Choose the correct statement. (a) All mammals are viviparous. (b) All cyclostomes do not possess jaws and paired fins. (c) All reptiles have a three-chambered heart. (d) All pisces have gills covered by an operculum

Description : Choose the correct statement. (a) All mammals are viviparous. (b) All cyclostomes do not possess jaws and paired fins. (c) All reptiles have a three-chambered heart. (d) All pisces have gills covered by an operculum

Last Answer : (b) All cyclostomes do not possess jaws and paired fins.

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - Three chambered crocodile heart (c) Ascaris and - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Last Answer : (d) Sea horse and - Cold blooded flying fish

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - Three chambered crocodile heart (c) Ascaris and - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Last Answer : (d) Sea horse and - Cold blooded flying fish (poikilothermal)

Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired appendages. Cyclostomata (b) Body covered with feathers; skin moist and glandular, fore- limbs form wings; (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia (d) Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyeslungs with air sacs. Aves

Description : Which of the following represents the correct combination without any exception ? Characteristics Class (a) Sucking and circular mouth; jaws absent, integument without scales; paired ... Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. Chondrichthyes

Last Answer : (c) Mammary gland; hair on body; pinnae; two pairs of limbs. Mammalia

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ventricle (b) Chordata : possess a mouth with an upper and a lower jaw (c) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception? (a) Reptilia : possess 3-chambered heart with an incompletely divided ... ) Chondrichthyes : possess cartilaginous endo- skeleton (d) Mammalia : give birth to young ones

Last Answer : (c) Chondrichthyes : possess cartilaginous endo- skeleton

Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3–chambered heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Description : Which of the following characteristic features always holds true for the corresponding group of animals? (a) Possess a mouth with an Chordata upper and a lower jaw (b) 3- ... heart with Reptilia one incompletely divided ventricle (c) Cartilaginous endoskeleton Chondrichthyes (d) Viviparous

Last Answer : (c) Cartilaginous endoskeleton

Which one of the following categories of animals, is correctly described with no single exception in it ?

Description : Which one of the following categories of animals, is correctly described with no single exception in it ?

Last Answer : Which one of the following categories of animals, is correctly described with no single ... are viviporous and possess diaphragms for breathing.

$ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! Human beings have four chambered hea

Description : $ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! Human beings have four chambered hea

Last Answer : $ The animals in which body temperature varies according to the surroundings are called poikilothermal animals. ! ... D. If both As and R are wrong.

The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca (b) fresh water animals with bony endoskeleton, air- bladder to regulate buoyancy (c) marine animals with cartilaginous endos- keleton, body covered with placoid scales (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca (b) fresh water animals with bony endoskeleton, air- bladder to regulate buoyancy (c) marine animals with cartilaginous endos- keleton, body covered with placoid scales (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Description : Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Last Answer : (d) (i), (iii) and (iv)

Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) Leech is a fresh water form while all others are marine.(c) Spongilla has special collared cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

Description : Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) ... cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

Last Answer : c) Spongilla has special collared cells called choanocytes, not found in the remaining three.

Is there any relationship between warm blooded conditions and four chambered heart?

Description : Is there any relationship between warm blooded conditions and four chambered heart?

Last Answer : One of the major evolutionary adaptations that allowed animals to become warm-blooded was the formation of the four-chambered heart. Four chambers mean no mixing of deoxygenated and oxygenated blood, and thus, more oxygen gets to the tissues.

Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals. (c) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

One of the following is a very unique feature of the mammalian body (a) homeothermy (b) presence of diaphragm (c) four chambered heart (d) rib cage

Description : One of the following is a very unique feature of the mammalian body (a) homeothermy (b) presence of diaphragm (c) four chambered heart (d) rib cage

Last Answer : (b) presence of diaphragm

In which of the following reptiles, a four- chambered heart is present ?

Description : In which of the following reptiles, a four- chambered heart is present ?

Last Answer : In which of the following reptiles, a four- chambered heart is present ? A. Lizards B. Snake C. Scorpion D. Crocodile

Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart

Description : Which one of the following in birds, indicates their reptilian ancestry? (a) Two special chambers crop and gizzard in their digestive tract (b) Eggs with a calcareous shell (c) Scales on their hind limbs (d) Four-chambered heart

Last Answer : (c) Scales on their hind limbs

Which group of vertebrates comprises the highest number of endangered species? (a) Mammals (b) Fishes (c) Reptiles (d) Birds

Description : Which group of vertebrates comprises the highest number of endangered species? (a) Mammals (b) Fishes (c) Reptiles (d) Birds

Last Answer : (a) Mammals

Which one of the following characteristics is not shared by birds and mammals? (a) Viviparity (b) Warm blooded nature (c) Ossified endoskeleton (d) Breathing using lungs

Description : Which one of the following characteristics is not shared by birds and mammals? (a) Viviparity (b) Warm blooded nature (c) Ossified endoskeleton (d) Breathing using lungs

Last Answer : (a) Viviparity

a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

Description : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

Last Answer : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ... j. PNA____ the rate of heart beat and______

a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

Description : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb

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How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Description : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir

Last Answer : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, ... A. Six B. Four C. Three D. Five

Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.

Description : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an atrium and a ventricle.

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Fishes are cold blooded and

Description : Fishes are cold blooded and

Last Answer : oviparous animals

Crocodile and penguin are similar to whale and dogfish in which one of the following features? (a) Possess a solid single stranded central nervous system (b) Lay eggs and guard them till they hatch (c) Possess bony skeleton (d) Have gill slits at some stage

Description : Crocodile and penguin are similar to whale and dogfish in which one of the following features? (a) Possess a solid single stranded central nervous system (b) Lay eggs and guard them till they hatch (c) Possess bony skeleton (d) Have gill slits at some stage

Last Answer : (d) Have gill slits at some stage

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception

Description : Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception

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Which class of animals has four-chambered heart ?

Description : Which class of animals has four-chambered heart ?

Last Answer : The heart of mammals has four chambers.

Which of the following are poikilothermal animals with single occipital condyle and 12 pair of cranial nerves ?

Description : Which of the following are poikilothermal animals with single occipital condyle and 12 pair of cranial nerves ?

Last Answer : Which of the following are poikilothermal animals with single occipital condyle and 12 pair of cranial ... Aves B. Reptiles C. Mammals D. Amphibia

Mammals are (a) Warm-blooded (b) Cold-blooded (c) Both (a) and (b) (d) None of these

Description : Mammals are (a) Warm-blooded (b) Cold-blooded (c) Both (a) and (b) (d) None of these

Last Answer : Ans:(a)

Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Description : Sharks are: a) amphibians b) bony fish c) cartilaginous fish (pron: kart-el-aj-eh-nes) d) reptiles

Last Answer : ANSWER: C -- CARTILAGINOUS FISH

$ Mammals are warm blooded. ! Warm blooded animals can tolerate only the warm climate.

Description : $ Mammals are warm blooded. ! Warm blooded animals can tolerate only the warm climate.

Last Answer : $ Mammals are warm blooded. ! Warm blooded animals can tolerate only the warm climate. A. If both As and ... is wrong D. If both As and R are wrong.

Mammals are warm blooded animals, so their body temperature

Description : Mammals are warm blooded animals, so their body temperature

Last Answer : remains constant.

Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary to the cartilaginous fishes. Reason : In bony f

Description : Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary to the cartilaginous fishes. Reason : In bony f

Last Answer : Assertion : A bony fish can stay at a particular depth without expending energy is a swimming contrary ... D. If both Assertion and Reason are false.

Fresh water bony fishes maintain water balance by

Description : Fresh water bony fishes maintain water balance by

Last Answer : Fresh water bony fishes maintain water balance by A. Excreting a hypotonic urine B. Excreting salt ... . Excreting wastes in the form of uric acid

How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not?

Description : How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not?

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Classify the following animals are reptiles, mammals, birds and fish.

Description : Classify the following animals are reptiles, mammals, birds and fish.

Last Answer : a) Blue whale----Mammals b) Cobra--------Reptile c) Panda--------Mammal d) Ostrich-------Bird e) Penguin------Bird f) Kiwi----------Bird g) Shark--------Fish h) Alligator -----Reptile i) Dolphin-------Mammal j) Tortoise------Reptile

What term is used for animals such as humans that usually give birth to live young: mammals or reptiles?

Description : What term is used for animals such as humans that usually give birth to live young: mammals or reptiles?

Last Answer : MAMMALS

Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Description : Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Last Answer : (3) Fishes Explanation: There are over 20,000 species of fish, divided into three groups : bony fish, cartilaginous fish and jawiess fish. Bony fish, which are the most numerous, have ... and sandpaper-like skin. The primitive jawless fish have sucker-like mouths, and include lampreys and hagfish.

Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Description : Who among the following have venous heart? (1) Mammals (2) Reptilians (3) Fishes (4) Amphibians

Last Answer : Fishes

In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Description : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Last Answer : In some chordates, the notochord is replaced by cartilaginous or bony vertebral column. Name the chordates which possess this character.

Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill membrane (b) Oral membrane ( c) Anal me

Description : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill membrane (b) Oral membrane ( c) Anal me

Last Answer : Marine bony fish have body fluids hypotonic to sea water and tend to lose water from the body through (a) Gill ... and (c) only D. (b) and (c) only

Are mammals viviparous or oviparous?

Description : Are mammals viviparous or oviparous?

Last Answer : Mammals are viviparous. They have live births.

From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Description : From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Last Answer : (a) Prawn has two pairs of antennae.

Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Description : Two examples in which the nitrogenous wastes are excreted from body in the form of uric acid are (a) birds and lizards (b) frogs and cartilaginous fish (c) insects and bony fish (d) mammals and molluscs.

Last Answer : (a) birds and lizards

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception ?

Description : Which one of the following groups of animals is correctly matched with its characteristic feature without any exception ?

Last Answer : Which one of the following groups of animals is correctly matched with its characteristic feature without ... . Mammalia : Given birth to young ones.

Most Fast Marine Mammals Animals Which one ?

Last Answer : Killer Whale Most Fast Marine Mammals Animals

Which one of the following pairs of animals comprises "Jawless fishes"

Description : Which one of the following pairs of animals comprises "Jawless fishes"

Last Answer : Which one of the following pairs of animals comprises "Jawless fishes" A. Guppies and hag fishes B ... . Mackerels and Rohu D. Lampreys and hag fishes

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

Description : 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

Last Answer : (b) Lampreys and hag fishes