Description : Retina contains this photo sensitive pigment. (A) Rhodopsin (B) Opsin (C) Retinol (D) Malanin
Last Answer : Answer : A
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
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
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
Description : Retina contains this photosensitive pigment: (A) Rhodopsin (B) Opsin (C) Retinol (D) Melanin
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.
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.
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)
Description : The pigment which gives colour to the human skin is (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin
Last Answer : Melanin
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
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.
Description : When a photon strikes the rhodopsin: a. bleaching occurs b. retinal molecules are bound to rhodopsin c. the intracellular cGMP is increased d. the sodium ion channels are closed
Last Answer : the sodium ion channels are closed
Description : Which food should be eaten during deficiency of rhodopsin in eyes? (a) Carrot and ripe papayas (b) Guava, banana (c) Mango and potato (d) None of the above
Last Answer : (a) Carrot and ripe papayas
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
Description : which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the ... air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.
Last Answer : (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir.
Description : What is the name of the tiny light-sensitive cells in the eyes of chickens ?
Last Answer : The tiny light-sensitive 'angle' cells of chicken eyes
Description : The piament involved in red - far red light interconversion is Or The pigm,ent involved in photomorphogenetic movements is Or Pigment involved in phot
Last Answer : The piament involved in red - far red light interconversion is Or The pigm,ent involved in ... Carotene B. Phytochrome C. Cytochrome D. Lycopene
Description : A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.
Last Answer : (c) phytochrome
Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll
Last Answer : (b) Phytochrome
Description : On exposure to light rhodopsin forms (A) All trans-retinal (B) Cis-retinal (C) Retinol (D) Retinoic acid
Description : Viscose rayon is (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Regenerated cellulose acetate (D) None of these
Last Answer : (D) None of these
Description : Celluloid is (A) Cellulose acetate (B) Regenerated cellulose (C) Cellulose nitrate (D) Cellulose acetate butyrat
Last Answer : (C) Cellulose nitrate
Description : Molecular sieves are regenerated by heating to __________ °C. (A) < 150 (B) 200-330 (C) > 500 (D) > 1000
Last Answer : (B) 200-330
Description : A selectable marker is used to (a) help in eliminating the non-transformants, so that the transformants can be regenerated (b) identify the gene for a desired trait in an alien organism (c) ... in a specific crop (d) mark a gene on a chromosome for isolation using restriction enzyme.
Last Answer : (a) help in eliminating the non-transformants, so that the transformants can be regenerated
Description : Zeolite used in water softening process (cation exchange) is regenerated by washing with (A) Brine (B) Chloramines (C) Sodium bisulphite (D) Liquid chlorines
Last Answer : (A) Brine
Description : Anion exchanger is regenerated usually with (A) NaOH (B) H2SO4 (C) Hydrazine (D) Alum solution
Last Answer : (A) NaOH
Description : Viscose rayon is chemically (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Cellulose acetate (D) Regenerated cellulose acetate
Last Answer : (D) Regenerated cellulose acetate
Description : Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of (A) Calcium sulphate (B) Sodium chloride (C) Sodium sulphate (D) Magnesium chloride
Last Answer : (B) Sodium chloride
Description : Cation exchanger is regenerated usually with (A) NaOH (B) H2SO4 (C) Hydrazine (D) Alum solution
Last Answer : (B) H2SO4
Description : Celluloid is chemically (A) Cellulose acetate (B) Regenerated cellulose (C) Cellulose nitrate (D) Cellulose acetate butyrate
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:
Description : A person will have brown eyes, blue eyes or black eyes depending on the particular pigment present in the : (1) Pupil (2) Cornea (3) Iris (4) Choroid
Last Answer : (3) Iris Explanation: Eye color 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 turbid ... iris stroma (located at the front of the iris), and the cellular density of the stroma.
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,
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)
Description : In which part of the eye lies the pigment, that decides the colour of the eyes of a person?
Last Answer : Choroid
Last Answer : Iris
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
Description : The danger signals are red while the eye is more sensitive to yellow because – (1) absorption in red is less than yellow and hence red is visible from a distance (2) scattering in yellow light is less than red (3) the wavelength of red light is more than yellow light (4) none of the above reasons
Last Answer : (3) the wavelength of red light is more than yellow light
Description : When replacing component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage
Last Answer : Answer: D
Description : When changing out component 'B' of the circuit shown in the illustration, it is important to know that ____________. EL-0081 A. it is polarity sensitive and must be inserted as indicated on its ... provide the capacitor's initial charge D. it must match the circuit voltage and component 'C' wattage
Description : The statements s1 and s2 are given as: s1: Context sensitive languages are closed under intersection, concatenation, substitution and inverse homomorphism. s2: Context free languages are closed under complementation, ... is not correct and s2 is correct. (D) Both s1 and s2 are not correct.
Last Answer : (B) s1 is correct and s2 is not correct.
Description : The family of context sensitive languages is ................. under union and ................. under reversal. (A) closed, not closed (B) not closed, not closed (C) closed, closed (D) not closed, closed
Last Answer : (C) closed, closed
Description : Which of the following statements is false? (1) Every context-sensitive language is recursive. (2) The set of all languages that are not recursively enumerable is countable. (3) The family ... under union. (4) The families of recursively enumerable and recursive languages are closed under reversal.
Last Answer : The set of all languages that are not recursively enumerable is countable.
Description : Are the corners of the eyes sensitive ?
Last Answer : Color sensation in the corners of the eyes.
Description : What pigment is found in red algae? -Biology
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
Description : What is red yellow and orange pigment found within chloroplast's?
Last Answer : What is the answer ?
Description : What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?
Last Answer : Carotenoids.
Description : A pigment responsible for red colour in tomato
Last Answer : Ans. Lycopene