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.

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.
by

1 Answer

Answer :

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

Related questions

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 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

Characteristics of which animal body is covered by placoid scales ?

Description : Characteristics of which animal body is covered by placoid scales ?

Last Answer : Answer : Characteristics of chondrichthyes The body is covered by placoid scales.

In which one of the following the genus name, its two characters and its class/phylum are correctly matched?(a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) Salamandra (i) A tympanum Amphibia represents ear (ii) Fertilization is external (c) Pteropus (i) Skin possesses Mammalia hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization

Description : In which one of the following the genus name, its two characters and its class/phylum are correctly matched? (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) ... hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization

Last Answer : (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct

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 fish's body is covered by placoid scales ?

Description : Which fish's body is covered by placoid scales ?

Last Answer : Answer : The body of a shark is covered with placid scales.

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.

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

(A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary canal, reproductive tract etc. they do not

Description : (A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary canal, reproductive tract etc. they do not

Last Answer : (A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary ... (B)____ and are in (C)____ appearance.

Compared to amphibians what are the two reproductive novelties of beings of the class Reptilia for the survival in dry environments?

Description : Compared to amphibians what are the two reproductive novelties of beings of the class Reptilia for the survival in dry environments?

Last Answer : Compared to amphibians the two main reproductive innovations of beings of the class Reptilia for the terrestrial habitat are internal fecundation and shelled eggs. Image Diversity: reptilian egg

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

Consider the following four statements (1-4) about certain desert animals such as kangaroo, rat. (1) They have dark colour and high rate of reproduction and excrete solid urine. (2) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs. (3) They feed on dry seeds and do not require drinking water. (4) They excrete very concentrated urine and do not use water to regulate body temperature.

Description : Consider the following four statements (1-4) about certain desert animals such as kangaroo, rat. (1) They have dark colour and high rate of reproduction and excrete solid urine. (2) They do ... water. (4) They excrete very concentrated urine and do not use water to regulate body temperature.

Last Answer : (c) 3 and 4

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

(a) Draw a diagram depicting Human Alimentary Canal and label on it: Gall bladder, Liver and Pancreas. (b) State the roles of Liver and Pancreas. (c) Name the organ which performs the following functions in humans: (i) Absorption of digested food (ii) Absorption of water. -Biology

Description : (a) Draw a diagram depicting Human Alimentary Canal and label on it: Gall bladder, Liver and Pancreas. (b) State the roles of Liver and Pancreas. (c) Name the organ which performs the following functions in humans: (i) Absorption of digested food (ii) Absorption of water. -Biology

Last Answer : Answer.(a) (b) Liver: It synthesize and store bile juice secreted by gall bladder which breaks down fats into fat globules. (c) The organ which performs the following functions in humans are as ... * (i) Absorption of digested food - Small intestine. (ii)Absorption of water - Large intestine.

Eggs leave the female bird's body through the: a) oviduct b) cloaca c) syrinx (pron: sir-inks) d) urinary tract

Description : Eggs leave the female bird's body through the: a) oviduct b) cloaca c) syrinx (pron: sir-inks) d) urinary tract

Last Answer : ANSWER: B -- CLOACA

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

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

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

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.

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

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

Description : 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 ... exoskeleton (b) Adamsia Radially Porifera symmetrical (c) Petromyzon Ectoparasite Cyclostomata (d) Ichthyophis Terrestrial Reptilia

Last Answer : c) Petromyzon Ectoparasite Cyclostomata

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.

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.

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

What is an endoscope? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularize the irregular heart beats (3) It is an instrument used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Description : What is an endoscope? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularize the ... used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Last Answer : (1) It is an optical instrument used to see inside the alimentary canal Explanation: Endoscopymeans looking inside and typically refers to looking inside the body for medical reasons using ... : breathing disorders; chronic diarrhea; internal bleeding; irritable bowel syndrome; stomach ulcers, etc.

What is an endoscope ? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularise the irregular heart beats (3) It is an instrument used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Description : What is an endoscope ? (1) It is an optical instrument used to see inside the alimentary canal (2) It is a device which is fitted on the chest of the patient to regularise the ... used for examining ear disorders (4) It is an instrument for recording electrical signals produced by human muscles

Last Answer :  It is an optical instrument used to see inside the alimentary canal

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 

Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Description : Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above

Last Answer : d. All the above

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

Select the correct route for the passage of sperms in male frogs.(a) Testes → Vasa efferentia → Kidney → Seminal vesicle → Urinogenital duct → Cloaca (b) Testes → Vasa efferentia → Bidder’s canal → Ureter → Cloaca (c) Testes → Vasa efferentia → Kidney → Bidder’s canal → Urinogenital duct → Cloaca (d) Testes → Bidder’s canal → Kidney → Vasa efferentia → Urinogenital duct → Cloaca

Description : Select the correct route for the passage of sperms in male frogs. (a) Testes → Vasa efferentia → Kidney → Seminal vesicle → Urinogenital duct → Cloaca (b) Testes → Vasa efferentia → Bidder's canal ... → Cloaca (d) Testes → Bidder's canal → Kidney → Vasa efferentia → Urinogenital duct → Cloaca

Last Answer : (c) Testes → Vasa efferentia → Kidney → Bidder’s canal → Urinogenital duct → Cloaca

Most fish do not sink in water because of the presence of (1) air sinuses (2) buoyant scales on the body (3) swim bladder (4) swimmerets

Description : Most fish do not sink in water because of the presence of (1) air sinuses (2) buoyant scales on the body (3) swim bladder (4) swimmerets

Last Answer : swim bladder

Radial symmetry is, usually, exhibited in animals which (a) are attached to the substratum (b) have one opening of alimentary canal (c) live in water (d) have ciliary mode of feeding.

Description : Radial symmetry is, usually, exhibited in animals which (a) are attached to the substratum (b) have one opening of alimentary canal (c) live in water (d) have ciliary mode of feeding.

Last Answer : (a) are attached to the substratum

The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is an adaptation for

Description : The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is an adaptation for

Last Answer : The septal and pharyngeal nephridia open into alimentary canal and are of enteronephric type. It is ... of temperature D. Regulation of amino acids .

If a particular animals has shelled eggs, hair and teats on the body has cloaca, it may be a connecting link between:

Description : If a particular animals has shelled eggs, hair and teats on the body has cloaca, it may be a connecting link between:

Last Answer : If a particular animals has shelled eggs, hair and teats on the body has cloaca, it may be a ... C. Reptiles and mammals D. None of the them

The animal group with exoskeleton in the form of epidermal scales is

Description : The animal group with exoskeleton in the form of epidermal scales is

Last Answer : Reptiles.

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

Description : Class Reptilia identity card. How are they 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: snakes, turtles, crocodiles, lizards, dinosaurs (extinct). Basic morphology: tetrapods, some with carapaces (like turtles). Skin: impermeable keratinized, corneous ... sexual, internal fecundation, shelled eggs with extraembryonic membranes. Class Aves - Q&A Review

Hello, does the gas bladder in fish also serve to keep the body in balance in addition to buoyancy? Please, give me an advice.

Description : Hello, does the gas bladder in fish also serve to keep the body in balance in addition to buoyancy? Please, give me an advice.

Last Answer : I think so.

In frog, “fenestra ovalis” is (a) the communication between the pharynx and the tympanic cavity (b) the external opening of the tympanic cavity which is covered by the tympanic membrane (c) the air filled cavity of the middle ear (d) the opening in the auditory capsule which separates the middle ear from the internal ear.

Description : In frog, fenestra ovalis is (a) the communication between the pharynx and the tympanic cavity (b) the external opening of the tympanic cavity which is covered by the tympanic membrane (c) the ... ear (d) the opening in the auditory capsule which separates the middle ear from the internal ear.

Last Answer : (c) the air filled cavity of the middle ear

Compared to amphibians what is an example of evolutionary novelty present in beings of the class Reptilia against the loss of water through the skin?

Description : Compared to amphibians what is an example of evolutionary novelty present in beings of the class Reptilia against the loss of water through the skin?

Last Answer : The reptile skin is keratinized and impermeable to water while the amphibian skin is permeable. The skin impermeability made impossible the cutaneous gas exchange performed by amphibians and respiration became dependent on internal organs like airways and lungs.

Which one of the following is the true description about an animal concerned? (a) Rat - Left kidney is slightly higher in position than the right one (c) Earthworm - The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine (d) Frog - Body divisible into three regions - head, neck and trunk(b) Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

Description : Which one of the following is the true description about an animal concerned? (a) Rat - Left kidney is slightly higher in position than the right one (b) Cockroach - 10 pairs of spiracles (2 ... stomach, gizzard and intestine (d) Frog - Body divisible into three regions - head, neck and trunk

Last Answer : (b) Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

Mention the characteristics of class Reptilia.

Description : Mention the characteristics of class Reptilia.

Last Answer : a) Reptiles are the first true terrestrial vertebrates. b) Most of them are land forms and some are adapted for life in water. c) The body is elongated, divided into head, ... are oviparous animals. Fertilization is internal but development is external. Ex: Turtles, tortoise, lizards, snakes

Write down the characteristics of class Reptilia? Also give example?

Description : Write down the characteristics of class Reptilia? Also give example? 

Last Answer : Characteristics: - i) Members of this groups are called reptiles. ii) Most of animals of this group are terrestrial. A few live in water. iii) They are also called crawlers. iv) ... garter and copper head keep their shelled eggs in their body, which hatch inside the body. 

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

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

The long bones are hollow and connected by air passages. They are the characteristics of (a) reptilia (b) land vertebrates (c) aves (d) mammals.

Description : The long bones are hollow and connected by air passages. They are the characteristics of (a) reptilia (b) land vertebrates (c) aves (d) mammals.

Last Answer : (c) aves

Incomplete alimentary canal with blind sac type of body planis present in

Description : Incomplete alimentary canal with blind sac type of body planis present in

Last Answer : Incomplete alimentary canal with blind sac type of body planis present in A. Annelids B. Arthropods C. Plathyhelminthes D. Sponges

Germs entering the body through food are mainly killed in the region of alimentary canal where pH may reach the level of (a) 3 (b) 7 (c) l0 (d) Zero (M.P.P.M.T. 90)

Description : Germs entering the body through food are mainly killed in the region of alimentary canal where pH may reach the level of (a) 3 (b) 7 (c) l0 (d) Zero (M.P.P.M.T. 90)

Last Answer : (a) 3

The nurse recognizes which of the following signs as typical of the patient in shock? a) Rapid, weak, thready pulse Pulse increases as the body tries to compensate. b) Flushed face Pallor is an indicator of shock. c) Warm, dry skin Skin is generally cool and moist in shock. d) Increased urine output Usually, a low blood pressure and concentrated urine are observed in the patient in shock.

Description : The nurse recognizes which of the following signs as typical of the patient in shock? a) Rapid, weak, thready pulse Pulse increases as the body tries to compensate. b) Flushed face Pallor is ... urine output Usually, a low blood pressure and concentrated urine are observed in the patient in shock.

Last Answer : a) Rapid, weak, thready pulse Pulse increases as the body tries to compensate.