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

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

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.

What does this mean Stimulation of the receptor cells causes the stimulates the dendrites of the sensory nerves wrapped around the receptor cells and impulses from the taste bud are transmitted to the brain?

Description : What does this mean Stimulation of the receptor cells causes the stimulates the dendrites of the sensory nerves wrapped around the receptor cells and impulses from the taste bud are transmitted to the brain?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

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

Bryophytes are amphibians because (a) they require a layer of water for carrying out sexual reproduction (b) they occur in damp places (c) they are mostly aquatic (d) all the above.

Description : Bryophytes are amphibians because (a) they require a layer of water for carrying out sexual reproduction (b) they occur in damp places (c) they are mostly aquatic (d) all the above.

Last Answer : (a) they require a layer of water for carrying out sexual reproduction

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.

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

Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and requires large amount of water for its eliminati

Description : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and requires large amount of water for its eliminati

Last Answer : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and ... . D. If both Assertion & Reason are false.

Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Description : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.

Last Answer : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their ... . D. If both Assertion & Reason are false.

Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Description : Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Last Answer : (2) Mechano receptor Explanation: Baroreceptors are sensors located in the blood vessels of all vertebrate animals that sense the blood pressure and relay the information to the brain, so that ... . Mechanoreceptors are the sensory receptors that respond to any type of primary stimuli of pressure.

Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Description : Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Last Answer : (2) Mechano receptor Explanation: Mechano receptors are the sensory receptors that respond to any type of primary stimuli of pressure.

Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Description : Which is the sensory receptor involved in detecting blood pressure? (1) Chemo receptor (2) Mechano receptor (3) Photo receptor (4) Magneto receptor

Last Answer : Mechano receptor

What are the lateral lines of fishes?

Description : What are the lateral lines of fishes?

Last Answer : The lateral lines of bony fishes are sense organs that extend along both sides of the animal body. They make contact with the environment by a series of specialized scales that transmit ... about pressure variation and vibrations in the surrounding water. Fish Facts - Image Diversity: lateral line

Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots.

Description : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots.

Last Answer : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has ... D. If both assertion and reason are false.

Assertion : Cannabis sativa is a powerful anti- depressant. Reason : Hashish and Marijuana are derived from it .

Description : Assertion : Cannabis sativa is a powerful anti- depressant. Reason : Hashish and Marijuana are derived from it .

Last Answer : Assertion : Cannabis sativa is a powerful anti- depressant. Reason : Hashish and Marijuana are derived ... If both the assertion and reason are false

What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life cycle of sponges?

Description : What is the evolutionary advantage of the occurrence of sperm cells and larval stage in the life cycle of sponges?

Last Answer : The sexual reproduction in sponges, in addition to contributing to genetic variability, also facilitates the colonization of farther environments by these beings, since sperm cells and larvae are mobile and can swim in the exterior to compensate the immobility of the adult individual.

Reserprine, an alkaloid derived from the root of Rauwolfia serpentina (a) Can be used to control hyperglycemia (b) Can cause severe depression of mood (c) Can decrease gastrointestinal secretion and motility (d) Has no cardiac effects (e) A spare receptor agonist

Description : Reserprine, an alkaloid derived from the root of Rauwolfia serpentina (a) Can be used to control hyperglycemia (b) Can cause severe depression of mood (c) Can decrease gastrointestinal secretion and motility (d) Has no cardiac effects (e) A spare receptor agonist

Last Answer : Ans: B

Various types of cartilage can be found in the huma BIOL-91; Short Answer: The larval form of butterflies and moths is more commonly known as what?

Description : Various types of cartilage can be found in the huma BIOL-91; Short Answer: The larval form of butterflies and moths is more commonly known as what?

Last Answer : ANSWER: caterpillar

Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Description : Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Last Answer : (c) apical meristem

Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Description : Axillary bud and terminal bud derived from the activity of (a) lateral meristem (b) intercalary meristem (c) apical meristem (d) parenchyma.

Last Answer : (c) apical meristem

Which of the following is NOT TRUE in regard to lateral periodontal cyst** A. It is more common in anterior region B. It occurs more in maxilla than mandible C. Probable origin is from dentigerous cyst which develops laterally D. Encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina

Description : Which of the following is NOT TRUE in regard to lateral periodontal cyst** A. It is more common in anterior region B. It occurs more in maxilla than mandible C. Probable origin is from ... . Encountered in the cuspid-premolar region of the mandible, derived from the remnants of the dental lamina

Last Answer : A. It is more common in anterior region B. It occurs more in maxilla than mandible

Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.

Description : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II is mostly found in the appressed part of granum.

Last Answer : Assertion :In `C_(4)` plants, the chloroplasts of bundle sheath cells are granal. Reason: PS II ... false. D. If both Assertion and Reason are false.

Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relative

Description : Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. Reason :- Plant cells are enclosed by a relative

Last Answer : Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method. ... D. If both Assertion & Reason are false.

Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.

Description : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent in almost all plant cell.

Last Answer : Assertion:- All eukaryotic cells are not identical. Reason:- Centrioles are found in animal cells, absent ... D. If both Assertion & Reason are false.

Which of the following is NOT correct about hormones? A) Hormones are generally found across the animal kingdom. B) Hormones may be used at a distance from where the hormone is made. C) Hormones have a slower effect than that mediated by the nervous system. D) Hormones bind to receptor sites at a target cell. E) Hormones are directed to the target organ and avoid contact with non-target cells.

Description : Which of the following is NOT correct about hormones? A) Hormones are generally found across the animal kingdom. B) Hormones may be used at a distance from where the hormone is made. C) ... target cell. E) Hormones are directed to the target organ and avoid contact with non-target cells.

Last Answer : E) Hormones are directed to the target organ and avoid contact with non-target cells.

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 :-HCl is more polar than HF. Reason :- Cl has more E.N. than F.

Description : Assertion :-HCl is more polar than HF. Reason :- Cl has more E.N. than F.

Last Answer : Assertion :-HCl is more polar than HF. Reason :- Cl has more E.N. than F. A. If both ... Reason is False. D. If both Assertion & Reason are false

Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Description : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason : The FSH & LH surge induces rupture of Graafian f

Last Answer : Assertion : The level of FSH & LH attain a peak level in the middle of the menstrual cycle . Reason ... . D. If both Assertion & Reason are False.

Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Description : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Last Answer : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Description : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Last Answer : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.

Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_

Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct

Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently more sensitive than motor fibres B. More slender fibres have shorter internodal distances C. Small sensory fibres generate higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade

Description : Which of the following is not the reason for greater susceptibility of smaller sensory fibres to blockade by local anaesthetics than larger motor fibres: A. Sensory fibres are inherently ... higher frequency longer lasting action potential D. Smaller fibres have shorter critical lengths for blockade

Last Answer : A. Sensory fibres are inherently more sensitive than motor fibres

Where are apical lateral and basal surfaces of epithelial cells found?

Description : Where are apical lateral and basal surfaces of epithelial cells found?

Last Answer : Need answer

Syncytium is formed by (a) primitive reticular cells (b) phagocytic reticular cells (c) endothelial cells (d) sensory cells

Description : Syncytium is formed by (a) primitive reticular cells (b) phagocytic reticular cells (c) endothelial cells (d) sensory cells

Last Answer : Ans:(c)

Given below is a diagrammatic cross section of a single loop of human cochlea. A C D B A Which one of the following options correctly represents the names of three different parts? (a) D : Sensory hair cells, A : Endolymph, B : Tectorial membrane(b) A : Perilymph, B : Tectorial membrane, C: Endolymph (c) B : Tectorial membrane, C : Perilymph, D: Secretory cells (d) C : Endolymph, D : Sensory hair cells, A : Serum

Description : Given below is a diagrammatic cross section of a single loop of human cochlea. A C D B A Which one of the following options correctly represents the names of three different parts? (a) D : Sensory hair cells ... : Perilymph, D: Secretory cells (d) C : Endolymph, D : Sensory hair cells, A : Serum

Last Answer : (d) C : Endolymph, D : Sensory hair cells, A : Serum

Destruction of the anterior horn cells of the spinal cord would result in loss of (a) commissural impulses (b) integrating impulses (c) sensory impulses (d) voluntary motor impulses

Description : Destruction of the anterior horn cells of the spinal cord would result in loss of (a) commissural impulses (b) integrating impulses (c) sensory impulses (d) voluntary motor impulses

Last Answer : (d) voluntary motor impulses.

Animals of which episode have notocord only in larval stage ?

Last Answer : : Animals of the Eurocordata stage have notocord only in the larval stage.

During its life cycle fasciola heptica (Liver fluke) Infects its intermadiate host and primary host at the following larval stages respectively

Description : During its life cycle fasciola heptica (Liver fluke) Infects its intermadiate host and primary host at the following larval stages respectively

Last Answer : During its life cycle fasciola heptica (Liver fluke) Infects its intermadiate host and primary host ... an cercaria D. Miracidium and metacercaria .