Which type of scales are found on the skin of cartilaginous fishes ?

Which type of scales are found on the skin of cartilaginous fishes ?
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Which type of scales are found on the skin of cartilaginous fishes ? A. cycloid B. Ctenoid C. Gonoid D. Placoid
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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.

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.

Scales in carilaginous fishes are

Description : Scales in carilaginous fishes are

Last Answer : Scales in carilaginous fishes are A. cycloid B. Ctenoid C. Placoid D. Leptoid

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.

Fish identity card. How are fishes characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

Description : Fish identity card. How are fishes characterized according to examples of representing beings, basic morphology, skin, respiration, circulation, nitrogen waste, thermal control and types of reproduction?

Last Answer : Examples of representing beings: sharks, rays, sardines, tuna, salmons. Basic morphology: hydrodynamic body, fins; cartilaginous skeleton in chondrichthyes, bony skeleton in osteichthyes. ... sexual, internal fecundation in chondrichthyes, external in osteichthyes. Frog Facts - Amphibians Review

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

All of the following are characteristic of amphibians EXCEPT: a) moist skin b) the absence of scales c) metamorphosis d) live in salt water

Description : All of the following are characteristic of amphibians EXCEPT: a) moist skin b) the absence of scales c) metamorphosis d) live in salt water

Last Answer : ANSWER: D -- live in salt water 

The type of joint between the human skull bones is called (a) cartilaginous joint (b) hinge joint (c) fibrous joint (d) synovial joint.

Description : The type of joint between the human skull bones is called (a) cartilaginous joint (b) hinge joint (c) fibrous joint (d) synovial joint.

Last Answer : (c) fibrous joint

Select the correct matching of the type of the joint with the example in human skeletal system. Type of joint Example (a) Cartilaginous – Between frontal and joint parietal (b) Pivot joint – Between third and fourth cervical vertebrae (c) Hinge joint – Between humerus and pectoral girdle (d) Gliding joint – Between carpals

Description : Select the correct matching of the type of the joint with the example in human skeletal system. Type of joint Example (a) Cartilaginous - Between frontal and joint parietal (b) Pivot joint - ... vertebrae (c) Hinge joint - Between humerus and pectoral girdle (d) Gliding joint - Between carpals

Last Answer : (d) Gliding joint – Between carpals

The pivot joint between atlas and axis is a type of (a) cartilaginous joint (b) synovial joint (c) saddle joint (d) fibrous joint.

Description : The pivot joint between atlas and axis is a type of (a) cartilaginous joint (b) synovial joint (c) saddle joint (d) fibrous joint.

Last Answer : b) synovial join

The pivot joint between atlas and axis is a type of : (1) Cartilaginous joint (2) Synovial joint (3) Saddle joint (4) Fibrous joint

Description : The pivot joint between atlas and axis is a type of : (1) Cartilaginous joint (2) Synovial joint (3) Saddle joint (4) Fibrous joint

Last Answer : (2) Synovial joint

What is a cartilaginous joint? -Biology

Description : What is a cartilaginous joint? -Biology

Last Answer : answer:

A marine cartilaginous fish that can produce electric current is

Description : A marine cartilaginous fish that can produce electric current is

Last Answer : A marine cartilaginous fish that can produce electric current is A. Pristis B. Torpedo C. Trygon D. Scoliodon

Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis flap covers the glottis during swallowing and pre

Description : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis flap covers the glottis during swallowing and pre

Last Answer : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis ... . D. If both Assertion & Reason are false.

Cartilaginous rings in trachea are incomplete at which surface.

Description : Cartilaginous rings in trachea are incomplete at which surface.

Last Answer : Cartilaginous rings in trachea are incomplete at which surface. A. Dorsal B. Ventral C. Lateral D. Ventrolateral

How many structures are supported by cartilaginous rings ? Larynx, Trachea, Bronchi, Initial bronchioles, Terminals bronchioles, Alveolar duct, Alveol

Description : How many structures are supported by cartilaginous rings ? Larynx, Trachea, Bronchi, Initial bronchioles, Terminals bronchioles, Alveolar duct, Alveol

Last Answer : How many structures are supported by cartilaginous rings ? Larynx, Trachea, Bronchi, Initial bronchioles, Terminals bronchioles ... . 7 B. 3 C. 4 D. 5

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.

Do eels have a cartilaginous bone?

Description : Do eels have a cartilaginous bone?

Last Answer : What is the answer ?

Do cartilaginous fish have greatly enlarged cerebrums?

Description : Do cartilaginous fish have greatly enlarged cerebrums?

Last Answer : Need answer

In which one of the following is swim bladder absent? (1) Cutdefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish

Description : In which one of the following is swim bladder absent? (1) Cutdefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish

Last Answer : (3) Cartilaginous fish Explanation: The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current ... years ago and lack both lungs and swim bladders, suggesting that these structures evolved after that split.

Which one of the following pairs belongs to cartilaginous fish? (1) Shark and Tuna (2) Shark and Ray (3) Skates and Hilsa (4) RayandEel

Description : Which one of the following pairs belongs to cartilaginous fish? (1) Shark and Tuna (2) Shark and Ray (3) Skates and Hilsa (4) RayandEel

Last Answer : (2) Shark and Ray Explanation: Chondrichthyes or cartilaginous fishes are jawed fish with paired fins, paired nares, scales, a twochambered heart, and skeletons made of cartilage rather than bone. ... by the minerals that make bone. It includes elasmobranchs: sharks, rays and skates, etc.

What is the name of joint between ribs and sternum? (a) Cartilaginous joint (b) Angular joint (c) Gliding joint (d) Fibrous join

Description : What is the name of joint between ribs and sternum? (a) Cartilaginous joint (b) Angular joint (c) Gliding joint (d) Fibrous join

Last Answer : (a) Cartilaginous joint

Which of the following pairs is correctly matched? (a) Hinge joint – Between vertebrae (b) Gliding joint – Between zygapophyses of the successive vertebrae (c) Cartilaginous joint – Skull bones (d) Fibrous joint – Between phalanges

Description : Which of the following pairs is correctly matched? (a) Hinge joint – Between vertebrae (b) Gliding joint – Between zygapophyses of the successive vertebrae (c) Cartilaginous joint – Skull bones (d) Fibrous joint – Between phalanges

Last Answer : (b) Gliding joint – Between zygapophyses of the successive vertebrae

Which of the following joints would allow no movements? (a) Synovial joint (b) Ball and socket joint (c) Fibrous joint (d) Cartilaginous joint

Description : Which of the following joints would allow no movements? (a) Synovial joint (b) Ball and socket joint (c) Fibrous joint (d) Cartilaginous joint

Last Answer : (c) Fibrous joint

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

The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases. (b) D - Lower end of lungs - Diaphragm pulls it down during inspiration. (c) A - Trachea - Long tube supported by complete cartilaginous rings for conducting inspired air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.

Description : The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - ... air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.

Last Answer : (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases.

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

A marine cartilaginous fish that can produce electric current is (a) Pristis (b) Torpedo (c) Trygon (d) Scoliodon.

Description : A marine cartilaginous fish that can produce electric current is (a) Pristis (b) Torpedo (c) Trygon (d) Scoliodon.

Last Answer : b) Torpedo

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

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

In which one of the following is swim bladder absent ? (1) Cuttlefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish

Description : In which one of the following is swim bladder absent ? (1) Cuttlefish (2) Bony fish (3) Cartilaginous fish (4) Silverfish

Last Answer : Cartilaginous fish

Which one of the following pairs belongs to cartilaginous fish ? (1) Shark and Tuna (2) Shark and Ray (3) Skates and Hilsa (4) Ray and Eel

Description : Which one of the following pairs belongs to cartilaginous fish ? (1) Shark and Tuna (2) Shark and Ray (3) Skates and Hilsa (4) Ray and Eel

Last Answer :  Shark and Ray

Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived f

Description : Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived f

Last Answer : Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line ... D. If both Assertion and Reason are false.

Placoid scales are found is

Description : Placoid scales are found is

Last Answer : Placoid scales are found is A. Cartilaginous fishes B. Bony fishes C. Paleontical fishes D. Lung fishes

Heterocercal tall, placoid scales are found in one of the following

Description : Heterocercal tall, placoid scales are found in one of the following

Last Answer : Heterocercal tall, placoid scales are found in one of the following A. Rohu B. Neoceratodus C. Scoliodon D. Anguilla

Was it fishes nibbling my feet and toes?

Description : Was it fishes nibbling my feet and toes?

Last Answer : Probably.

If wishes were fishes, would we all smell funny?

Description : If wishes were fishes, would we all smell funny?

Last Answer : Some would smell funnier than others. Better to smell like a Lobster than a Mackerel.

What are fishes sleep patterns like ?

Description : What are fishes sleep patterns like ?

Last Answer : answer:Fish circadian rhythms are regulated in much the same way as ours. There is the same sensitivity to the light/dark cycle, regulated by the pineal gland, the retina and other light receptors, using ... low arousal, so that a sleeping fish can be gently lifted to the surface before waking up.

Can fishes commit suicide?

Description : Can fishes commit suicide?

Last Answer : Some fish jump. I’ve had fish jump out of the pond to their death. It happens and it’s not abnormal.

Are there mixed-breed fishes or birds?

Description : Are there mixed-breed fishes or birds?

Last Answer : answer:Seems to me that races in birds and fish would be the equivalent of breeds in dogs, no? One example that comes to mind in the fish world is the races of golden and rainbow trout ... as different species, but many consider the golden to be a sub-species of the rainbow. They can interbreed.

Are my fishes going to die?please help,before I'm going to sleep?

Description : Are my fishes going to die?please help,before I'm going to sleep?

Last Answer : Male + female = babies. I have had only male bettas but they are extremely agressive with other males, and possibly females. I never dared to mix them because 1) I don't want dead fish 2) I don't ... even by a female, he could attack. Why did you buy them anyways? Betta males are meant to be alone.

Part carbon, part water, I am poison to the fishes. Many have falsely claimed my name, for I am the pause that refreshes.What am I? -Riddles

Description : Part carbon, part water, I am poison to the fishes. Many have falsely claimed my name, for I am the pause that refreshes.What am I? -Riddles

Last Answer : I am Soda Pop!

How are fishes helpfull in controlling diseases? -Science

Description : How are fishes helpfull in controlling diseases? -Science

Last Answer : answer:

what is the collective noun for fishes?

Description : what is the collective noun for fishes?

Last Answer : The collective noun is a troubling of goldfish.

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

Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a fossil linking fishes and amphibians `:`

Description : Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a fossil linking fishes and amphibians `:`

Last Answer : Assertion (A) `:` Amphibians have evolved from fishes . Reason (R ) `:` Archaeopteryx is a ... false D. If both Assertion and Reason are false.