The pigment which gives colour to the human skin is (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin

The pigment which gives colour to the human skin is (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin
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Melanin
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The pigment which gives colour to the human skin is – (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin

Description : The pigment which gives colour to the human skin is – (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin

Last Answer : (1) Melanin Explanation: Human skin color is primarily due to the presence of melanin in the skin. Skin color ranges from almost black to white with a pinkish tinge due to blood vessels underneath. In animals melanin pigments are derivatives of the amino acid tyrosine.

Which one of the following is the correct difference between rod cells and cone cells of our retina? Rod cells Cone cells (a) Overall Vision in poor Colour vision function light and detailed vision in bright light (b) Distribution More Evenly concentrated in distributed centre of retina all over retina (c) Visual acuity High Low (d) Visual pigment Iodopsin Rhodopsin contained

Description : Which one of the following is the correct difference between rod cells and cone cells of our retina? Rod cells Cone cells (a) Overall Vision in poor Colour vision function light and detailed ... of retina all over retina (c) Visual acuity High Low (d) Visual pigment Iodopsin Rhodopsin contained

Last Answer : (a) Overall Vision in poor Colour vision function

The ability of the eye to see in the dark, is due to the production of a purple pigment known as (1) Carotene (2) Rhodopsin (3)Iodopsin (4) Retinene

Description : The ability of the eye to see in the dark, is due to the production of a purple pigment known as (1) Carotene (2) Rhodopsin (3)Iodopsin (4) Retinene

Last Answer : (4) Retinene Explanation: Retinene-1 is better known as retinaldehyde or simply retinal and is fundamental in the transduction of light into visual signals in the photoreceptor level of the retina (known as the visual cycle). Retinene-2 is more formally known as dehydroretinaldehyde.

The ability of the Eye to see in the dark, is due to the production of a purple pigment known as----? A. Carotene B. Rhodopsin C. Iodopsin D. Retinene (Answer)

Description : The ability of the Eye to see in the dark, is due to the production of a purple pigment known as----? A. Carotene B. Rhodopsin C. Iodopsin D. Retinene (Answer)

Last Answer : D. Retinene (Answer)

The ability of the eye to see in the dark, is due to the production of a purple pigment known as (1) Carotene (2) Rhodopsin (3) Iodopsin (4) Retinene

Description : The ability of the eye to see in the dark, is due to the production of a purple pigment known as (1) Carotene (2) Rhodopsin (3) Iodopsin (4) Retinene

Last Answer : Retinene

Retina contains this photosensitive pigment: (A) Rhodopsin (B) Opsin (C) Retinol (D) Melanin

Description : Retina contains this photosensitive pigment: (A) Rhodopsin (B) Opsin (C) Retinol (D) Melanin

Last Answer : Answer : A

The brown-black pigment of the skin that is transferred to other epidermal cells and gives the skin its color is called A. albumin B. collagen C. keratin D. melanin

Description : The brown-black pigment of the skin that is transferred to other epidermal cells and gives the skin its color is called A. albumin B. collagen C. keratin D. melanin

Last Answer : Ans: D

Retinoic acid is involved in the synthesis of (A) Rhodopsin (B) Iodopsin (C) Porphyrinopsin (D) Glycoproteins

Description : Retinoic acid is involved in the synthesis of (A) Rhodopsin (B) Iodopsin (C) Porphyrinopsin (D) Glycoproteins

Last Answer : Answer : D

Retinoic acid participates in the synthesis of (A) Iodopsin (B) Rhodopsin (C) Glycoprotein (D) Cardiolipin

Description : Retinoic acid participates in the synthesis of (A) Iodopsin (B) Rhodopsin (C) Glycoprotein (D) Cardiolipin

Last Answer : Answer : C

Retinal is a component of (A) Iodopsin (B) Rhodopsin (C) Cardiolipin (D) Glycoproteins

Description : Retinal is a component of (A) Iodopsin (B) Rhodopsin (C) Cardiolipin (D) Glycoproteins

Last Answer : Answer : B

The colour of human skin is produced by (1) Haemoglobin(2) Insulin (3) Adrenaline (4) Melanin

Description : The colour of human skin is produced by (1) Haemoglobin(2) Insulin (3) Adrenaline (4) Melanin 

Last Answer : Melanin

In the chemistry of vision in mammals, the photosensitive substance is called (a) rhodopsin (b) melanin (c) sclerotin (d) retinol.

Description : In the chemistry of vision in mammals, the photosensitive substance is called (a) rhodopsin (b) melanin (c) sclerotin (d) retinol.

Last Answer : (a) rhodopsin

The pigment involved in photosynthetic activity is - (1) anthocyanin (2) fucxanthin (3) carotenoid (4) chlorophyll

Description : The pigment involved in photosynthetic activity is - (1) anthocyanin (2) fucxanthin (3) carotenoid (4) chlorophyll

Last Answer : (4) chlorophyll Explanation: Chlorophyll is an extremely important bio-molecule, critical in photosynthesis, which allows plants to absorb energy from light. Chlorophyll absorbs light most strongly in ... near-green portions of the spectrum, hence the green color of chlorophyll-containing tissues.

Proteinaceous pigment which controls the activities concerned with light is (a) phytochrome (b) chlorophyll (c) anthocyanin (d) carotenoids.

Description : Proteinaceous pigment which controls the activities concerned with light is (a) phytochrome (b) chlorophyll (c) anthocyanin (d) carotenoids.

Last Answer : (a) phytochrome

Which one of the following is not a photosynthetic pigment ? (1) Chlorophyll (2) Phycobilin (3) Carotenoid (4) Anthocyanin

Description : Which one of the following is not a photosynthetic pigment ? (1) Chlorophyll (2) Phycobilin (3) Carotenoid (4) Anthocyanin

Last Answer : Anthocyanin

The pigment involved in photosynthetic activity is (1) anthocyanin (2) fucxanthin (3) carotenoid (4) chlorophyll

Description : The pigment involved in photosynthetic activity is (1) anthocyanin (2) fucxanthin (3) carotenoid (4) chlorophyll

Last Answer : chlorophyll

The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of

Description : The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of

Last Answer : The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a ... Vitamin B 1 C. Vitamin C D. Vitamin D

Melanin pigment protects from which of the following radiations ?

Description : Melanin pigment protects from which of the following radiations ?

Last Answer : Melanin pigment protects from which of the following radiations ? A. X-rays B. Infra-red rays C. Visible rays D. UV rays

True statements about chloroquine include: a. is safer than hydroxychloroquine at equivalent dose b. can cause corneal deposition c. causes posterior subcapsular cataract d. chloroquine is bound to the melanin of the retinal pigment epithelium e. causes reversible toxic maculopathy

Description : True statements about chloroquine include: a. is safer than hydroxychloroquine at equivalent dose b. can cause corneal deposition c. causes posterior subcapsular cataract d. chloroquine is bound to the melanin of the retinal pigment epithelium e. causes reversible toxic maculopathy

Last Answer : can cause corneal deposition

Hormones thyroxine, adrenaline and the pigment melanin are formed from (a) tyrosine (b) proline (c) tryptophan (d) glycine.

Description : Hormones thyroxine, adrenaline and the pigment melanin are formed from (a) tyrosine (b) proline (c) tryptophan (d) glycine.

Last Answer : (a) tyrosine

A person deficient in Rhodopsin (visual pigment) should take -

Description : A person deficient in Rhodopsin (visual pigment) should take -

Last Answer : A person deficient in Rhodopsin (visual pigment) should take - A. Tomatoes B. Radish C. Carrots D. Guavas

Retina contains this photo sensitive pigment. (A) Rhodopsin (B) Opsin (C) Retinol (D) Malanin

Description : Retina contains this photo sensitive pigment. (A) Rhodopsin (B) Opsin (C) Retinol (D) Malanin

Last Answer : Answer : A

Rhodopsin: a. is a red pigment b. is least sensitive to red light c. is regenerated when the eyes are closed d. all above

Description : Rhodopsin: a. is a red pigment b. is least sensitive to red light c. is regenerated when the eyes are closed d. all above

Last Answer : all above

Red colour of carrot is due to : a. Lycopene b. Carotene c. Anthocyanin d. Propanene

Description : Red colour of carrot is due to : a. Lycopene b. Carotene c. Anthocyanin d. Propanene

Last Answer : Carotene

Which among the following is responsible for producing color of human skin --? A. Insulin B. Vitamin K C. Melanin (Answer) D. DNA

Description : Which among the following is responsible for producing color of human skin --? A. Insulin B. Vitamin K C. Melanin (Answer) D. DNA

Last Answer : C. Melanin (Answer)

What is the name of the substance that gives skin and hair its pigment?

Description : What is the name of the substance that gives skin and hair its pigment?

Last Answer : Melanin

Which of the following gives colour to human skin?

Description : Which of the following gives colour to human skin?

Last Answer : Melanin

Which of the following makes the skin layer impervious to water? (1) Collagen (2) Melanin (3) Keratin (4) Chitin

Description : Which of the following makes the skin layer impervious to water? (1) Collagen (2) Melanin (3) Keratin (4) Chitin

Last Answer : (3) Keratin Explanation: Keratin is a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human skin. It is also the key structural component ... layer of the skin almost waterproof, and along with collagen and elastin, gives skin its strength.

Which of the following makes the skin layer impervious to water ? (1) Collagen (2) Melanin (3) Keratin (4) Chitin

Description : Which of the following makes the skin layer impervious to water ? (1) Collagen (2) Melanin (3) Keratin (4) Chitin 

Last Answer : Keratin

Pigment which given colour to Human body

Description : Pigment which given colour to Human body

Last Answer : Melanin

Name the predominant light capturing molecules in plants a, Anthocyanin b. Chlorophyll c. Myosin d. Erythrocyanin

Description : Name the predominant light capturing molecules in plants a, Anthocyanin b. Chlorophyll c. Myosin d. Erythrocyanin

Last Answer : b. Chlorophyll

In which part of the eye lies the pigment, that decides the colour of the eyes of a person? -Do You Know?

Description : In which part of the eye lies the pigment, that decides the colour of the eyes of a person? -Do You Know?

Last Answer : answer:

Respiratory pigment Fe containing but red in colour `:-`

Description : Respiratory pigment Fe containing but red in colour `:-`

Last Answer : Respiratory pigment Fe containing but red in colour `:-` A. Haemocyanin (Molluscas) B. Haemoglobin ... ) C. Chlorocruorin (Some annelids) D. None

A pigment responsible for red colour in tomato

Description : A pigment responsible for red colour in tomato

Last Answer : Ans. Lycopene

In which part of the eye lies the pigment that decides the colour of the eyes of a person’? (1) Corea (2) Choroid (3) Iris (4) Vitreous body

Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person’? (1) Corea (2) Choroid (3) Iris (4) Vitreous body

Last Answer : (3) Iris Explanation: The iris is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and thus the amount of light reaching the retina. "Eye color" is ... the center of the iris, known as the pupil. The larger the pupil, the more light can enter,

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.

The brownish colour of Brown Algae is due to presence of ...... pigment?

Description : The brownish colour of Brown Algae is  due to presence of ...... pigment?

Last Answer : Xanthophyll

Which is the pigment giving yellow colour to Milk?

Description : Which is the pigment giving yellow colour  to Milk?

Last Answer : Carotene

In which part of the eye lies the pigment that decides the colour of the eyes of a person--? A. Retina B. Iris (Answer) C. Cornea D. Pupal

Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person--? A. Retina B. Iris (Answer) C. Cornea D. Pupal

Last Answer : B. Iris (Answer)

Canthaxanthin pigment responsible for — colour in papaya a. White b. Yellow c. Red d. Pink

Description : Canthaxanthin pigment responsible for — colour in papaya a. White b. Yellow c. Red d. Pink

Last Answer : b. Yellow

Titanium dioxide is a/an __________ colour pigment. (A) White (B) Black (C) Yellow (D) Blue

Description : Titanium dioxide is a/an __________ colour pigment. (A) White (B) Black (C) Yellow (D) Blue

Last Answer : (A) White

A reduction of nitrogen nutrient in plants: (A) Affects leaf colour (B) Reduces pigment concentration (C) Increase the visible reflectivity (D) All of these

Description : A reduction of nitrogen nutrient in plants: (A) Affects leaf colour (B) Reduces pigment concentration (C) Increase the visible reflectivity (D) All of these

Last Answer : Answer: Option D

In which part of the eye lies the pigment, that decides the colour of the eyes of a person?

Description : In which part of the eye lies the pigment, that decides the colour of the eyes of a person?

Last Answer : Choroid

In paints, the pigment is responsible for (A) Durability (B) Colour (C) Smoothness (D) Glassy face

Description : In paints, the pigment is responsible for (A) Durability (B) Colour (C) Smoothness (D) Glassy face

Last Answer : Answer: Option B

The commonly used colour pigment in paints, is (A) Ambers (B) Carbon black (C) Iron oxide (D) All the above

Description : The commonly used colour pigment in paints, is (A) Ambers (B) Carbon black (C) Iron oxide (D) All the above

Last Answer : Answer: Option D

Xanthophyll is a pigment having (A) Yellow colour (B) Green colour (C) Red colour D) Blue colour

Description : Xanthophyll is a pigment having (A) Yellow colour (B) Green colour (C) Red colour D) Blue colour

Last Answer : (A) Yellow 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 : iris

In which part of the eye lies the pigment that decides the colour of the eyes of a person? (1) Cornea (2) Choroid (3) Iris (4) Vitreous body

Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person? (1) Cornea (2) Choroid (3) Iris (4) Vitreous body

Last Answer : Iris

Which of the following would be prescribed for acne? A. Actiq B. Actonel C. Accu-Check D. Accutane Ans: D 2. An absence of pigment in the skin is called A. acanthosis nigricans B. albinism C. melanism D. xanthoderma

Description : Which of the following would be prescribed for acne? A. Actiq B. Actonel C. Accu-Check D. Accutane Ans: D 2. An absence of pigment in the skin is called A. acanthosis nigricans B. albinism C. melanism D. xanthoderma

Last Answer : Ans: B

Haemoglobin is a type of (a) carbohydrate (b) respiratory pigment (c) vitamin (d) skin pigment.

Description : Haemoglobin is a type of (a) carbohydrate (b) respiratory pigment (c) vitamin (d) skin pigment.

Last Answer : (b) decrease in number