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

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
by

1 Answer

Answer :

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

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.

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 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

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

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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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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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

Fish respire through their (a) nose (b) lungs (c) gills (d) fins

Description : Fish respire through their (a) nose (b) lungs (c) gills (d) fins

Last Answer : Ans:(c)

Through which organ does a fish respire? A. Nose B. Lungs C. Gills (Answer) D. Fins

Description : Through which organ does a fish respire? A. Nose B. Lungs C. Gills (Answer) D. Fins

Last Answer : C. Gills (Answer)

What is true about Nereis, scorpion, cockroach and silver fish? (a) They all possess dorsal heart. (b) None of them is aquatic. (c) They all belong to the same phylum. (d) They all have jointed paired appendages.

Description : What is true about Nereis, scorpion, cockroach and silver fish? (a) They all possess dorsal heart. (b) None of them is aquatic. (c) They all belong to the same phylum. (d) They all have jointed paired appendages.

Last Answer : (a) They all possess dorsal heart.

Jaws are absent in – (1) Birds (2) Fishes (3) Protochordates (4) Reptiles

Description : Jaws are absent in – (1) Birds (2) Fishes (3) Protochordates (4) Reptiles

Last Answer : (3) Protochordates Explanation: Jaws are absent in Protochordates.

Jaws are absent in : (1) Birds (2) Fishes (3) Protochordates (4) Reptiles

Description : Jaws are absent in : (1) Birds (2) Fishes (3) Protochordates (4) Reptiles 

Last Answer : Protochordates

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

Which group of chordates possess sucking and circular mouth without jaws?

Description : Which group of chordates possess sucking and circular mouth without jaws?

Last Answer : Which group of chordates possess sucking and circular mouth without jaws?

Are mammals viviparous or oviparous?

Description : Are mammals viviparous or oviparous?

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

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.

Match the name of the animal (column I), with one characteristic (column II) and the phylum/ class (column  III) to which it belongs.(a) Limulus Body covered Pisces by chitinous exoskeleton (b) Adamsia Radially Porifera symmetrical (c) Petromyzon Ectoparasite Cyclostomata (d) Ichthyophis Terrestrial Reptilia

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Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes(A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (iv) (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Last Answer : (a) (ii) (iii) (iv) (i)

Consider the following four statements (A–D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F). Statements: A. On dry land it would die due to lack of O2 if its mouth is forcibly kept closed for a few days. B. It has four-chambered heart. C. On dry land it turns uricotelic from ureotelic. D. Its life-history is carried out in pond water. A B C D (a) T F F T (b) T T F F (c) F F T T (d) F T T F

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Three chambered heart is found in `:-`

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Last Answer : Three chambered heart is found in `:-` A. Fish B. Frog C. Rabbit D. Man

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)

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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)

What are reptiles and mammals called and why ?

Description : What are reptiles and mammals called and why ?

Last Answer : Animals that move with mass on their chest are called reptiles , snakes , crocodiles , lizards. Animals that drink mother's milk are called mammals. Humans , bats , whales

Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Description : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the Permian period.

Last Answer : Assertion : Lycaenops is a mammals - like reptile. Reason : Mammal - like reptiles originated in the ... D. If both Assertion and Reason are false.

Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better developed by the presence of

Description : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better developed by the presence of

Last Answer : Among mammals, the efficiency of ventilation of lungs as compared to reptiles and birds is better ... Only ribs C. Only costal muscles D. Diaphragm

Are rhinos mammals or reptiles?

Description : Are rhinos mammals or reptiles?

Last Answer : gfgn

What is the connective link between reptiles and mammals?

Description : What is the connective link between reptiles and mammals?

Last Answer : duck billed platypus

Are dinosaurs reptiles or mammals?

Description : Are dinosaurs reptiles or mammals?

Last Answer : Dinosaurs are technically classed as reptiles. They were not related to mammals, but were more closely related to birds.

What is the difference between mammals and reptiles?

Description : What is the difference between mammals and reptiles?

Last Answer : reptiles are cold blooded and mammals are warm blooded.

Dinosaurs were - (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

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Last Answer : (4) reptiles that became extinct Explanation: Although the word dinosaur means "terrible lizard," the name is somewhat misleading, as dinosaurs are not lizards. Rather, they represent a separate ... be dinosaurs, most of the scientific community believed dinosaurs to be sluggish and cold-blooded.

Syrinx is the voice box in - (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Description : Syrinx is the voice box in - (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Last Answer : (3) Birds Explanation: Syrinx is the name for the vocal organ of birds. Located at the base of a bird's trachea, it produces sounds without the vocal cords of mammals. The sound is ... the membrana tympaniformis (the walls of the syrinx) and the pessulus caused by air flowing through the syrinx.

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

Mention the differences between reptiles and mammals.

Description : Mention the differences between reptiles and mammals.

Last Answer : Reptiles 1. They have exoskeleton in the form of epidermal scales 2. Most of them have three chambered heart 3. They are cold blooded animals 4. They are oviparous animal soskeleton in form ... 2. They have four chambered heart 3. They are warm blooded animals 4. They are viviparous animals

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

Uricotelism is found in (a) mammals and birds (b) fish and fresh water protozoans (c) birds, land reptiles and insects (d) frogs and toads.

Description : Uricotelism is found in (a) mammals and birds (b) fish and fresh water protozoans (c) birds, land reptiles and insects (d) frogs and toads.

Last Answer : (c) birds, land reptiles and insects

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

Amongst the animal groups given below, which one appears to be more vulnerable to extinction? A. Insects B. Mammals C. Amphibians D. Reptiles

Description : Amongst the animal groups given below, which one appears to be more vulnerable to extinction? A. Insects B. Mammals C. Amphibians D. Reptiles

Last Answer : C. Amphibians

The following argument: “ All mammals have wings. All reptiles are mammals. Therefore all reptiles have wings ”. A) Inductive B) invalid C) sound D) Valid.

Description : The following argument:  “ All mammals have wings.  All reptiles are mammals.  Therefore all reptiles have wings ”. A) Inductive  B) invalid  C) sound  D) Valid. 

Last Answer :  D) Valid. 

Syrinx is the voice box in (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Description : Syrinx is the voice box in (1) Amphibians (2) Reptiles (3) Birds (4) Mammals

Last Answer : Birds

Dinosaurs were (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Description : Dinosaurs were (1) mammals that became extinct (2) large herbivorous creatures which gave rise to hippopotamus species (3) egg-laying mammals (4) reptiles that became extinct

Last Answer : reptiles that became extinct

The heart of class Pisces is two

Description : The heart of class Pisces is two

Last Answer : chambered.

Why are cyclostomes termed as anadromous?

Description : Why are cyclostomes termed as anadromous?

Last Answer : Why are cyclostomes termed as anadromous?

Comparing to cyclostomes (primitive vertebrates) what are the main novelties presented by fishes?

Description : Comparing to cyclostomes (primitive vertebrates) what are the main novelties presented by fishes?

Last Answer : Compared to cyclostomes, evolutionary novelties presented by fishes are: pectoral and pelvic fins, symmetric and paired; the presence of mandibles. Fish Facts - Image Diversity: fish body structure

Mammals other than higher primates do not suffer from gout because they (A) Lack xanthine oxidase (B) Lack adenosine deaminase (C) Lack purine nucleoside phosphorylase (D) Possess uricase

Description : Mammals other than higher primates do not suffer from gout because they (A) Lack xanthine oxidase (B) Lack adenosine deaminase (C) Lack purine nucleoside phosphorylase (D) Possess uricase

Last Answer : Answer : D

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.

Match the Colum-I with Column -II . `{:(,"Column-I",,"Column-II"),((A),"Fish",(i),"3-chambered heart "),((B),"Amphibia",(ii) ,"Incomplete double circu

Description : Match the Colum-I with Column -II . `{:(,"Column-I",,"Column-II"),((A),"Fish",(i),"3-chambered heart "),((B),"Amphibia",(ii) ,"Incomplete double circu

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Pneumatic bones, four chambered heart and feathers occur in

Description : Pneumatic bones, four chambered heart and feathers occur in

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Two chambered heart is present in class

Description : Two chambered heart is present in class

Last Answer : Pisces.