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

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

The fossil of Archaeopteryx represents the evidence of origin of animals? -Do You Know?

Description : The fossil of Archaeopteryx represents the evidence of origin of animals? -Do You Know?

Last Answer : Archaeopteryx was long considered to be the beginning of the evolutionary tree of birds

The fossil of Archaeopteryx represents the evidence of origin of animals?

Description : The fossil of Archaeopteryx represents the evidence of origin of animals?

Last Answer : Birds from reptiles

The fossil archaeopteryx is the earliest known example of: w) mammal x) fish y) bird z) snake

Description : The fossil archaeopteryx is the earliest known example of: w) mammal x) fish y) bird z) snake

Last Answer : ANSWER: Y -- BIRD

Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes an adaptation to terrestrial life?

Description : Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes an adaptation to terrestrial life?

Last Answer : Eyelids associated to lacrimal glands protect and keep eyes lubricated against damage from the great luminosity of terrestrial environments. Fishes do not have eyelids since their eyes are in constant contact with the fluid medium.

Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles?

Description : Is fecundation in amphibians external or internal? In this aspect are amphibians evolutionarily proximal to fishes or to reptiles?

Last Answer : In the majority of the amphibian species fecundation is external. This feature is common to bony fishes too and it shows that the reproductive system and the embryonic development of ... egg cells. This phenomenon does not characterize internal fecundation since the gametes unite in water.

How different are the respiration in fishes and the respiration in adult amphibians?

Description : How different are the respiration in fishes and the respiration in adult amphibians?

Last Answer : In fishes gas exchange is done by direct contact of water with the branchiae (gills). Gases gain and exit the circulation through the gills. In adult amphibians gas exchange is done through the ... breathes through gills even as an adult. Frog Facts Review - Image Diversity: axolotl amphibian skin

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.

Bones are pneumatic in - (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Description : Bones are pneumatic in - (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : (4) Birds Explanation: Pneumatic boneis is hollow bone filled with air, connected to the respiratory system. Many of a bird's bones are pneumatic, with struts across their ... , certain physical characteristics are required. Flying birds have evolved reduced weight through several characteristics.

Darvvin finches' refers to a group of - (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : Darvvin finches' refers to a group of - (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : (3) Birds Explanation: Darwin's finches (also known as the Galapagos finches) are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe ... . All are found only on the Galapagos Islands, except the Cocos Island Finch from Cocos Island.

‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : ‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : (3) Birds Explanation: Darwin's finches are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe Geospizini. They were first collected by ... , and the beaks are highly adapted to different food sources. The birds are all dull-coloured.

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

Bones are pneumatic in (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Description : Bones are pneumatic in (1) Fishes (2) Amphibians (3) Reptiles (4) Birds

Last Answer : Birds

‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Description : ‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians

Last Answer : Birds

Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

Description : Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, and glandular.

Last Answer : Assertion : Salamander , Sphenodon are classified as amphibians . Reason : Their skin is naked, moist, ... D. If both Assertion and Reason are false.

Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Description : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated and deoxygenated blood get mixed up in the sin

Last Answer : Assertion `:` In amphibians incomplete double circulation presents. Reason `:` In amphibians oxygenated ... . If both Assertion & Reason are false.

Which evertebrates evolved into the first amphibians?

Description : Which evertebrates evolved into the first amphibians?

Last Answer : Which evertebrates evolved into the first amphibians? A. Jawless fishes B. Lobefins C. Salamanders D. Ichthyosaurus

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.

Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes have no glomerular kidney .

Description : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes have no glomerular kidney .

Last Answer : Assertion `:-` Tubular is of considerable importance in Marine teleost fishes. Reason `:-` These fishes ... D. If both Assertion & Reason are false.

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.

Last Answer : Assertion`:` In fishes single circulation occur Reason `:` Fishes have a 2-chambered hearts with an ... . D. If both Assertion & Reason are false.

Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Description : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is produced from non-edible parts of fishes like fins, ta

Last Answer : Assertion : Fish meal is a rich source of protein for cattle and poultry. Reason : Fish meal is ... false D. If both assertion and reason are false

The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

How has the importance of the brain evolved from fishes to reptiles?

Description : How has the importance of the brain evolved from fishes to reptiles?

Last Answer : From the least to the most complex brain structure, it is evident that the brain, from fishes to beings of the class Reptilia, became larger and predominant in the central nervous system. Image Diversity: reptilian brain

Assertion :- Australian marsupials can be taken as an example of adaptive radiation. Reason :- A number of marsupials, evolved from an ancestral stock

Description : Assertion :- Australian marsupials can be taken as an example of adaptive radiation. Reason :- A number of marsupials, evolved from an ancestral stock

Last Answer : Assertion :- Australian marsupials can be taken as an example of adaptive radiation. Reason :- A number ... D. If both Assertion & Reason are false.

Assertion : The earliest fossil form in the phylogeny of horse is eohippus. Reason : Eohippus lived during the early Pliocene epoch.

Description : Assertion : The earliest fossil form in the phylogeny of horse is eohippus. Reason : Eohippus lived during the early Pliocene epoch.

Last Answer : Assertion : The earliest fossil form in the phylogeny of horse is eohippus. Reason : Eohippus lived ... . If both the assertion and reason are false.

Assertion: Paleobiology is that branch which deals with the study of fossil organisms. Reason: Paleobotany and paleozoology are the branches of paleob

Description : Assertion: Paleobiology is that branch which deals with the study of fossil organisms. Reason: Paleobotany and paleozoology are the branches of paleob

Last Answer : Assertion: Paleobiology is that branch which deals with the study of fossil organisms. Reason: Paleobotany and ... D. If both As and R are wrong.

The first r- DNA was constructed by linking antibiotic resistant gene with

Description : 8. The first r- DNA was constructed by linking antibiotic resistant gene with the native plasmid of a) Escherihia coli b) Salmonella typhimurium c) Acetobacter aceti d) Bacillus thuringiensis

Last Answer : Salmonella typhimurium

Archaeopteryx had which reptilian characters? -General Knowledge

Description : Archaeopteryx had which reptilian characters? -General Knowledge

Last Answer : The answer is 'Clawed wings, teeth on jaw, tail'

Archaeopteryx had which reptilian characters? -General Knowledge

Description : Archaeopteryx had which reptilian characters? -General Knowledge

Last Answer : answer:

Archaeopteryx had which reptilian characters? -General Knowledge

Description : Archaeopteryx had which reptilian characters? -General Knowledge

Last Answer : answer:

Archaeopteryx is a connecting link between `:`

Description : Archaeopteryx is a connecting link between `:`

Last Answer : Archaeopteryx is a connecting link between `:` A. It possessed characters of reptiles and aves B. ... D. It had characters of chordates and chrodates

Archaeopteryx lived during

Description : Archaeopteryx lived during

Last Answer : Archaeopteryx lived during A. Cretaceous B. Triassic C. Permian D. Jurassic

Archaeopteryx had the following reptilian characters – (1) Teeth on jaw, tail, beak (2) Clawed wings, teeth on jaw, tail (3) Clawed wings, scales, feathers (4) Teeth on jaw, feathers, tail

Description : Archaeopteryx had the following reptilian characters – (1) Teeth on jaw, tail, beak (2) Clawed wings, teeth on jaw, tail (3) Clawed wings, scales, feathers (4) Teeth on jaw, feathers, tail

Last Answer : (2) Clawed wings, teeth on jaw, tail Explanation: Archaeopteryx, sometimes referred to by its German name Urvogel, is a genus of early bird that is transitional between feathered dinosaurs and ... toes ("killing claw") , feathers (which also suggest horneothermy), and various skeletal features.

Archaeopteryx had which reptilian characters?

Description : Archaeopteryx had which reptilian characters?

Last Answer : Clawed wings, teeth on jaw, tail

Archaeopteryx had the following reptilian characters (1) Teeth on jaw, tail, beak (2) Clawed wings, teeth on jaw, tail (3) Clawed wings, scales, feathers (4) Teeth on jaw, feathers, tail

Description : Archaeopteryx had the following reptilian characters (1) Teeth on jaw, tail, beak (2) Clawed wings, teeth on jaw, tail (3) Clawed wings, scales, feathers (4) Teeth on jaw, feathers, tail

Last Answer : Clawed wings, teeth on jaw, tail 

Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Description : Give reason: Bryophytes are referred to as amphibians of plant kingdom.

Last Answer : Bryophytes are plants that are found both on moist land and in water. They need water for completing the life cycle. Hence they are referred to as amphibians of plant kingdom

Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason`(R)`: Cancer is caused by damage to genes regulat

Description : Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason`(R)`: Cancer is caused by damage to genes regulat

Last Answer : Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason ... D. If both the assertion and reason are false

Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): Transplanted tissue has antigens which stimulate the spec

Description : Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): Transplanted tissue has antigens which stimulate the spec

Last Answer : Assertion (A): Organ transplantation patients are given immunosuppressive durgs. Reason (R): ... If both the assertion and reason are false

Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus treatment. Reason(R): Antitetanus injection provides immu

Description : Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus treatment. Reason(R): Antitetanus injection provides immu

Last Answer : Assertion (A): A person who has received a cut and is bleeding needs to be given antitetanus ... D. If both the assertion and reason are false

Assertion (A) : Dope test is used to estimate the lavel of blood alcohol by analyzing the breath of persons drinking alcohol. Reason (R) : A drunken p

Description : Assertion (A) : Dope test is used to estimate the lavel of blood alcohol by analyzing the breath of persons drinking alcohol. Reason (R) : A drunken p

Last Answer : Assertion (A) : Dope test is used to estimate the lavel of blood alcohol by analyzing the breath of ... D. If both the assertion and reason are false

Assertion (A) : Severe Acute Respiratory Syndrome (SARS) originated in China. Reason `(R)`: China is the most populated country of the world.

Description : Assertion (A) : Severe Acute Respiratory Syndrome (SARS) originated in China. Reason `(R)`: China is the most populated country of the world.

Last Answer : Assertion (A) : Severe Acute Respiratory Syndrome (SARS) originated in China. Reason `(R)`: China ... D. If both the assertion and reason are false

Assertion (A): Many visitors to the hills suffer from skin and respiratory allergy problems. Reason (R): Conifer trees produce a large quantity of win

Description : Assertion (A): Many visitors to the hills suffer from skin and respiratory allergy problems. Reason (R): Conifer trees produce a large quantity of win

Last Answer : Assertion (A): Many visitors to the hills suffer from skin and respiratory allergy problems. Reason ( ... . If both the assertion and reason are false

Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. Reason ( R ) : No value is attached to these fore

Description : Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. Reason ( R ) : No value is attached to these fore

Last Answer : Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. ... D. If both assertion and reason are false.

Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. Reason ( R ) : No value is attached to these fore

Description : Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. Reason ( R ) : No value is attached to these fore

Last Answer : Assertion (A) : Tropical rain forests are disappearing fast from developing countries such as India. ... D. If both assertion and reason are false.

Assertion `:-` Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason `:-` Neural signal from pneumotoxic centre can r

Description : Assertion `:-` Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason `:-` Neural signal from pneumotoxic centre can r

Last Answer : Assertion `:-` Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason `:- ... D. If both Assertion & Reason are false.

Assertion (A) : The concentration of methane in the atmosphere has more than doubled in the last 250 years. Reason (R): Wetlands and rice fields are t

Description : Assertion (A) : The concentration of methane in the atmosphere has more than doubled in the last 250 years. Reason (R): Wetlands and rice fields are t

Last Answer : Assertion (A) : The concentration of methane in the atmosphere has more than doubled in the last 250 ... true but reason is wrong D. Both are wrong

Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage to the stratospheric change. Reason (R): Ozone h

Description : Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage to the stratospheric change. Reason (R): Ozone h

Last Answer : Assertion (A): UV radiation causes photodissociation of ozone into `O_(2)` and O, thus causing damage ... true but reason is wrong D. Both are wrong

Assertion (A): Deforestation is one main factor contributing to global warming. Reason (R) : Besides `CO_(2)`, two other gases methane and CFCs are al

Description : Assertion (A): Deforestation is one main factor contributing to global warming. Reason (R) : Besides `CO_(2)`, two other gases methane and CFCs are al

Last Answer : Assertion (A): Deforestation is one main factor contributing to global warming. Reason (R) : Besides ` ... true but reason is wrong D. Both are wrong

Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Description : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of stratospheric ozone layer has resulted in increase in ult

Last Answer : Assertion (A) : Presently, the global atmosphere is warming up. Reason (R): The depletion of ... true but reason is wrong D. Both are wrong

Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu

Description : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent. Reason (R) : Introduction of multi-point fu

Last Answer : Assertion (A) : Methane component of greenhouse gases contributing to global warming is about 20 per cent ... but reason is wrong D. Both are wrong