Outer most layer of retina which holds sensory neuron like rods & cones is

Outer most layer of retina which holds sensory neuron like rods & cones is
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Outer most layer of retina which holds sensory neuron like rods & cones is
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Outer most layer of retina which holds sensory neuron like rods & cones is

Description : Outer most layer of retina which holds sensory neuron like rods & cones is

Last Answer : Outer most layer of retina which holds sensory neuron like rods & cones is

True statement about dark adaptation include: a. there is a shift in peak spectral sensitivity from 555 nm to 505 nm with dark adaptation b. rods are more sensitive than cone during dark adaptation c. biphasic changes only occur in retina which processes both rods and cones d. all above

Description : True statement about dark adaptation include: a. there is a shift in peak spectral sensitivity from 555 nm to 505 nm with dark adaptation b. rods are more sensitive than cone during dark adaptation c. biphasic changes only occur in retina which processes both rods and cones d. all above

Last Answer : all above

Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil

Description : Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil

Last Answer : (c) Retina

Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not pass through the lens. (b) D - Choroid - Its anterior part forms ciliary body. (c) A - Retina - Contains photoreceptors, i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Description : Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not ... , i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.

Last Answer : (c) A - Retina - Contains photoreceptors, i.e., rods and cones.

Which one of the following statements is not correct? (a) Retinal is the light absorbing portion of visual photopigments. (b) In retina the rods have the photopigment rhodopsin while cones have three different photopigments. (c) Retinal is a derivative of vitamin C. (d) Rhodopsin is the purplish red protein present in rods only.

Description : Which one of the following statements is not correct? (a) Retinal is the light absorbing portion of visual photopigments. (b) In retina the rods have the photopigment rhodopsin while cones have three ... a derivative of vitamin C. (d) Rhodopsin is the purplish red protein present in rods only.

Last Answer : (c) Retinal is a derivative of vitamin C.

The light sensitive cells that respond to dim light are ________. a)cones b)rods c)cornea d)retina

Description : The light sensitive cells that respond to dim light are ________. a)cones b)rods c)cornea d)retina

Last Answer : b)rods

Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer

Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer 

Last Answer : ANSWER: A

In retinal detachment, fluid accumulates between: a. Outer plexiform layer and inner nuclear layer. b. Neurosensory retina and layer of retinal pigment epithelium c. Nerve fiber layer and rest of retina. d. Retinal pigment epithelium and Bruch’s membrane.

Description : In retinal detachment, fluid accumulates between: a. Outer plexiform layer and inner nuclear layer. b. Neurosensory retina and layer of retinal pigment epithelium c. Nerve fiber layer and rest of retina. d. Retinal pigment epithelium and Bruch’s membrane.  

Last Answer : ANSWER: B 

What is the difference between Rods and Cones? -Biology

Description : What is the difference between Rods and Cones? -Biology

Last Answer : answer:

In the eye, colour vision is effected by the presence of - (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Description : In the eye, colour vision is effected by the presence of - (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Last Answer : (4) Cones Explanation: Cone cells, or cones, are photoreceptor cells in the retina of the eye that are responsible for color vision, they function best in relatively bright light, as opposed to ... , but quickly reduce in number towards the periphery of the retina. It allow the perception of colour

The colour of the eye depends upon the pigment present in - (1) cornea (2) iris (3) rods (4) cones

Description : The colour of the eye depends upon the pigment present in - (1) cornea (2) iris (3) rods (4) cones

Last Answer : (2) iris Explanation: Eye colour is a polygenic phenotypic character determined by 2 distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the ... iris stroma (located at the front of the iris), and the cellular density of the stroma.

Where is Rods and Cones present?

Description : Where is Rods and Cones present?

Last Answer : Retina

With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery

Description : With regard to dark adaptation: a. is a quicker process than light adaptation b. the sensitivity of the cones increases more rapidly than the rods c. it is monophasic in rod monochromatism d. the first limb of the curve represents rod recovery

Last Answer : it is monophasic in rod monochromatism

With regard to light perception: a. the fovea contains only cones b. the cones have a lower threshold to light than rods c. rods respond most to the red-yellow end of light d. rods respond most to wavelengths of about 500nm

Description : With regard to light perception: a. the fovea contains only cones b. the cones have a lower threshold to light than rods c. rods respond most to the red-yellow end of light d. rods respond most to wavelengths of about 500nm

Last Answer : rods respond most to wavelengths of about 500nm

Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides of tympanic membrane (b) Cerebellum Midbrain Controls respiration and gastric secretions (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking (d) Blind spot Near the place Rods and cones where optic are present but nerve leaves inactive here the eye

Description : Select the answer with correct matching of the structure, its location and function. Structure Location Function (a) Eustachian Anterior Equalizes air tube part of pressure on internal ear either sides ... the place Rods and cones where optic are present but nerve leaves inactive here the eye

Last Answer : (c) Hypothal Forebrain Controls body -amus temperature, urge for eating and drinking

In mammalian eye, the ‘fovea’ is the center of the visual field, where (a) only rods are present (b) more rods than cones are found (c) high density of cones occur, but has no rods (d) the optic nerve leaves the eye.

Description : In mammalian eye, the ‘fovea’ is the center of the visual field, where (a) only rods are present (b) more rods than cones are found (c) high density of cones occur, but has no rods (d) the optic nerve leaves the eye.

Last Answer : (c) high density of cones occur, but has no rods

Night blindness is caused by: a. Central retinal vein occlusion b. Dystrophies of retinal rods c. Dystrophies of the retinal cones d. Retinal detachment

Description : Night blindness is caused by: a. Central retinal vein occlusion b. Dystrophies of retinal rods c. Dystrophies of the retinal cones d. Retinal detachment

Last Answer : ANSWER: B

The colour of the eye depends upon the pigment present in (1) cornea (2) iris (3) rods (4) cones

Description : The colour of the eye depends upon the pigment present in (1) cornea (2) iris (3) rods (4) cones

Last Answer : iris

In the eye, colour vision is effected by the presence of : (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Description : In the eye, colour vision is effected by the presence of : (1) Choroid coat (2) Sclerotic coat (3) Rods (4) Cones

Last Answer : Cones

Pigments present in cones of retina are connected with :

Description : Pigments present in cones of retina are connected with :

Last Answer : Pigments present in cones of retina are connected with : A. Night blindness B. Accommodation of eye C. Colour discrimination D. Image formation

What is the difference between a sensory and a motor neuron?

Description : What is the difference between a sensory and a motor neuron?

Last Answer : A: Sensory neurons transmit information from sensory organs to the central nervous system, while motor neurons transmit information from the central nervous system to muscles and glands.

What is the difference between a sensory neuron and a motor neuron?

Description : What is the difference between a sensory neuron and a motor neuron?

Last Answer : A: Sensory neurons transmit information from sensory receptors to the central nervous system, while motor neurons transmit information from the central nervous system to muscles or glands.

Which of the following is NOT a type of neuron? a) sensory b) motor c) association d) stimulatory

Description : Which of the following is NOT a type of neuron? a) sensory b) motor c) association d) stimulatory

Last Answer : ANSWER: D -- STIMULATORY

What type of sensory information travels from the retina through the thalamus to the visual cortex?

Description : What type of sensory information travels from the retina through the thalamus to the visual cortex?

Last Answer : smell

In binocular vision: a. only points on the horopter fall on the corresponding retinal point b. points in front of the horopter will stimulate binasal retina c. points outside the horopter is perceived doubly d. the Panum's fusional area is wider in the centre than the periphery e. sensory fusion refers to the cortical integration of images perceived by the two eyes

Description : In binocular vision: a. only points on the horopter fall on the corresponding retinal point b. points in front of the horopter will stimulate binasal retina c. points outside the horopter ... the periphery e. sensory fusion refers to the cortical integration of images perceived by the two eyes

Last Answer : only points on the horopter fall on the corresponding retinal point

With regard to the blood retina barrier: a. the outer blood retina is formed by the retinal pigment epithelium cells and their junctions b. the blood retina barrier is typically defective in the immediate perpapillary region c. the retinal vascular endothelial cells can actively transport fluid and anions from the extracellular space of the retina into the circulation d. all above

Description : With regard to the blood retina barrier: a. the outer blood retina is formed by the retinal pigment epithelium cells and their junctions b. the blood retina barrier is typically defective in the ... fluid and anions from the extracellular space of the retina into the circulation d. all above

Last Answer : all above

The cells of the retinal pigment epithelium: a. are of mesenchymal origin b. are shorter at the fovea than else where in the retina c. have intracellular melanosomes d. regenerate visual pigment e. form the inner outer blood-retina barrier

Description : The cells of the retinal pigment epithelium: a. are of mesenchymal origin b. are shorter at the fovea than else where in the retina c. have intracellular melanosomes d. regenerate visual pigment e. form the inner outer blood-retina barrier

Last Answer : have intracellular melanosome

Why lithium holds onto its outer most electron more strongly than sodium does?

Description : Why lithium holds onto its outer most electron more strongly than sodium does?

Last Answer : Feel Free to Answer

Generation of action potential concern with which layer of retina

Description : Generation of action potential concern with which layer of retina

Last Answer : Generation of action potential concern with which layer of retina

Inner most layer of retina which is situated towards vitreous chamber is

Description : Inner most layer of retina which is situated towards vitreous chamber is

Last Answer : Inner most layer of retina which is situated towards vitreous chamber is

Generation of action potential concern with which layer of retina

Description : Generation of action potential concern with which layer of retina

Last Answer : Generation of action potential concern with which layer of retina

Inner most layer of retina which is situated towards vitreous chamber is

Description : Inner most layer of retina which is situated towards vitreous chamber is

Last Answer : Inner most layer of retina which is situated towards vitreous chamber is

Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these

Description : Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these

Last Answer : C. Retina (Answer)

Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.

Description : Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.

Last Answer : (b) retina

What is An impermeable layer underground that holds groundwater?

Description : What is An impermeable layer underground that holds groundwater?

Last Answer : Need answer

Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Description : Sapwood consists of (A) Innermost annular rings around the pith (B) Portion of timber between heartwood and cambium layer (C) Thin layers below the bark (D) Thin fibre which extends from the pith outwards and holds the annular rings together

Last Answer : Answer: Option B

Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Description : Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Last Answer : Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Description : Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Last Answer : Major cordinating centre of fore brain which is wrapped around by cerebrum and responsible for motor & sensory signalingg is

Rod mills employed for grinding (A) Employ a steel shell having L/D ratio of 1.5 to 3.0 (B) Is useful for handling sticky materials (C) Employ steel rods of 2-12 cms diameter extending over full length of the mill (D) All 'a', 'b' & 'c'

Description : Rod mills employed for grinding (A) Employ a steel shell having L/D ratio of 1.5 to 3.0 (B) Is useful for handling sticky materials (C) Employ steel rods of 2-12 cms diameter extending over full length of the mill (D) All 'a', 'b' & 'c'

Last Answer : (D) All 'a', 'b' & 'c'

The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Description : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Last Answer : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of cells attached to trophoblast called the `___B____`.

Description : The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of cells attached to trophoblast called the `___B____`.

Last Answer : The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of ... are trophoblast D. Both are inner cell masses

What cell part is rigid an outer layer?

Description : What cell part is rigid an outer layer?

Last Answer : A cell wall, usually found in plant cells, is rigid.

_______ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Description : _______ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Last Answer : (3) Crust Explanation: The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer ... crust is the thinnest layer. The crust ranges from 5-70 km in depth and is the outermost layer.

Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer : (4) absorbing U-V radiations Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03) which absorbs 97- 99% of the Sun's medium-frequency ultraviolet light.

Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Description : Depletion of ozone layer in the outer atmosphere may cause A. Lung cancer B. Skin cancer C. Bronchitis D. Heart disorder

Last Answer : ANS: B

Outer most layer of sun is called as –

Description : Outer most layer of sun is called as –

Last Answer : Corona

With regard to the cornea: a. photokeratitis occurs with wavelength of 270nm b. microvilli are found in the outer layer of the epithelium c. the turnover of the corneal epithelium typically takes 30 days d. the corneal epithelium is about 10 layers in thickness

Description : With regard to the cornea: a. photokeratitis occurs with wavelength of 270nm b. microvilli are found in the outer layer of the epithelium c. the turnover of the corneal epithelium typically takes 30 days d. the corneal epithelium is about 10 layers in thickness

Last Answer : photokeratitis occurs with wavelength of 270nm

The retinal pigment epithelium (RPE): a. is sensitive to hypervitaminosis A b. isomerizes all-trans-retinal to 11-cis-retinol c. does not undergo mitosis in response to injury d. secrets the outer layer of the basal lamina that forms the Bruch's membrane.

Description : The retinal pigment epithelium (RPE): a. is sensitive to hypervitaminosis A b. isomerizes all-trans-retinal to 11-cis-retinol c. does not undergo mitosis in response to injury d. secrets the outer layer of the basal lamina that forms the Bruch's membrane.

Last Answer : isomerizes all-trans-retinal to 11-cis-retinol

Which one of the following statements is correct? (a) Endothecium produces the microspores. (b) Tapetum nourishes the developing pollen. (c) Hard outer layer of pollen is called intine. (d) Sporogenous tissue is haploid

Description : Which one of the following statements is correct? (a) Endothecium produces the microspores. (b) Tapetum nourishes the developing pollen. (c) Hard outer layer of pollen is called intine. (d) Sporogenous tissue is haploid

Last Answer : (b) Tapetum nourishes the developing pollen.

Porins are located in A- the outer membrane of gram-negative bacteria B- he peptidoglycan layer of gram-positive bacteria C- the cytoplasmic membrane of both gram-negative and gram-positive bacteria D- the periplasmic space of gram-negative bacteria

Description : Porins are located in A- the outer membrane of gram-negative bacteria B- he peptidoglycan layer of gram-positive bacteria C- the cytoplasmic membrane of both gram-negative and gram-positive bacteria D- the periplasmic space of gram-negative bacteria

Last Answer : the outer membrane of gram-negative bacteria