Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll
Last Answer : (b) Phytochrome
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.
Description : Which one of the following is not a photosynthetic pigment ? (1) Chlorophyll (2) Phycobilin (3) Carotenoid (4) Anthocyanin
Last Answer : Anthocyanin
Description : The pigment involved in photosynthetic activity is (1) anthocyanin (2) fucxanthin (3) carotenoid (4) chlorophyll
Last Answer : chlorophyll
Description : Name the predominant light capturing molecules in plants a, Anthocyanin b. Chlorophyll c. Myosin d. Erythrocyanin
Last Answer : b. Chlorophyll
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 pigment which gives colour to the human skin is (1) Melanin (2) Rhodopsin (3) Iodopsin (4) Anthocyanin
Last Answer : Melanin
Description : Pigments in fruits and vegetables which are white in color are known as: a. Carotenoids b. Anthocyanins c. Anthoxanthins d. Chlorophyll
Last Answer : c. Anthoxanthins
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 of the following plant pigments absorbs in red and far-red region of light? (1) Carotenoide (2) Chlorophyll (3) Phytochrome (4) elyptochrome
Last Answer : (3) Phytochrome Explanation: Phytochrorne is a photoreceptor, a pigment that plants use to detect light. It is a protein with a bilin chromophore. It detects mainly red and far-red region of the visible spectrum and regulates germination of seeds.
Description : Which of the following plant pigments absorbs in red and farred region of light? (1) Carotenoide (2) Chlorophyll (3) Phytochrome (4) Cryptochrome
Last Answer : Phytochrome
Description : Is phytochrome a pigment? -Biology
Last Answer : answer:
Description : The pigment involved in photo morphogenetic movements is: (a) Cytochrome (b) Phytochrome (c) Chromatin (d) Vernalin
Last Answer : Ans. ((b))
Description : Chlorophyll termed as universal photosynthetic pigment is? -Biology
Description : How do the amounts of green pigment or chlorophyll differ from summer to fall?
Last Answer : weather difference
Description : Which one of the following is not a photosynthetic pigment? (1) Chlorophyll (2) Phycobilin (3) Carotenoid (4) Arthocyanin
Last Answer : (4) Arthocyanin Explanation: There are three basic classes of photosynthetic pigments: Chlorophylls (greenish pigments), Carotenoids (usually red, orange, or yellow pigments) and Phycobilins (water-soluble pigments found in the cytoplasm). Anthocyartins play no part in photosynthesis
Description : Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum ... yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid
Last Answer : (a) Application of iron and magnesium to promote synthesis of chlorophyll
Description : Red colour of carrot is due to : a. Lycopene b. Carotene c. Anthocyanin d. Propanene
Last Answer : Carotene
Description : What are the photosynthetic pigments belonging to carotenoids? -Biology
Description : Carotenoids of algae. -Biology
Description : Oxygen containing carotenoids are
Last Answer : Oxygen containing carotenoids are A. Carotenes B. Xanthophylls C. Phycobillis D. Anthocyanins
Description : The conversion of carotenoids to Vitamin A takes place in (A) Intestine (B) Liver (C) Kidney (D) Skin
Last Answer : Answer : A
Description : Which one of the following acids is a derivative of carotenoids? (a) Indole-3-acetic acid (b) Gibberellic acid (c) Abscisic acid (d) Indole butyric acid
Last Answer : (c) Abscisic acid
Description : Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants? (a) Blue and green (b) Green and red (c) Red and violet (d) Violet and blue
Last Answer : (d) Violet and blue
Description : Water soluble pigments found in plant cell vacuoles are (a) carotenoids (b) anthocyanins (c) xanthophylls (d) chlorophylls.
Last Answer : (b) anthocyanins
Description : An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenacne of cell shape is called
Last Answer : An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in ... B. Plasmalemma C. Cytoskeleton D. Thylakoid
Description : Enzymes, vitamins and hormones are common in (A) Being proteinaceous (B) Being synthesized in the body of organisms (C) Enhancing oxidative metabolism (D) Regulating metabolism
Last Answer : Answer : D
Description : Enzymes are different from catalysts in (A) Being proteinaceous (B) Not used up in reaction (C) Functional at high temperature (D) Having high rate of diffusion
Description : Who suggested that enzymes are proteinaceous? (A) Buchner (B) Kuhne (C) Sumner (D) Pasteur
Last Answer : Answer : C
Description : A non-proteinaceous enzyme is (a) lysozyme (b) ribozyme (c) ligase (d) deoxyribonuclease.
Last Answer : (b) ribozyme
Description : Cytoskeleton is made up of (a) callose deposits (b) cellulosic microfibrils (c) proteinaceous filaments (d) calcium carbonate granules.
Last Answer : (c) proteinaceous filaments
Description : An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called (a) thylakoid (b) endoplasmic reticulum (c) plasmalemma (d) cytoskeleton.
Last Answer : (b) endoplasmic reticulum
Description : Which one of the following statements is correct? (a) The seed in grasses is not endospermic. (b) Mango is a parthenocarpic fruit. (c) A proteinaceous aleurone layer is present in maize grain. (d) A sterile pistil is called a staminode.
Last Answer : (c) A proteinaceous aleurone layer is present in maize grain.
Description : The pyrenoids are made up of (a) proteinaceous centre and starchy sheath (b) core of nucleic acid surrounded by protein sheath (c) core of protein surrounded by fatty sheath (d) core of starch surrounded by sheath of protein.
Last Answer : a) proteinaceous centre and starchy sheath
Description : Tobacco mosaic virus (TMV) genes are (a) single stranded RNA (b) double stranded DNA (c) proteinaceous (d) double stranded RNA.
Last Answer : (a) single stranded RNA
Description : The wavelength of light absorbed by Pr form of phytochrome is
Last Answer : The wavelength of light absorbed by Pr form of phytochrome is A. 620 nm B. 640 nm C. 680 nm D. 720 nm
Description : The effect of light on flowering plants is mediated through a photoreceptor compound. Which of the following is such a compound? (a) Cytochrome (b) Cryptochrome (c) Phytochrome (d) Phycoerythrin
Last Answer : Ans:(c)
Description : What will be the effect on phytochrome in a plant subjected to continuous red light? (a) Phytochrome synthesis will increase (b) Level of phytochrome will decrease (c) Phytochrome will be destroyed (d) First (b) then (a)
Last Answer : (d) First (b) then (a)
Description : Phytochrome becomes active in (a) red light (b) green light (c) blue light (d) none of these.
Last Answer : (a) red light
Description : The wavelength of light absorbed by Pr form of phytochrome is (a) 680 nm (b) 720 nm (c) 620 nm (d) 640 nm
Last Answer : (a) 680 nm
Description : What organ within our body would you consider to be the center that controls the body and helps us to carry out activities?
Last Answer : That would be the Brain
Description : Who directs and controls the affairs and activities of the country Belize?
Last Answer : Feel Free to Answer
Description : Which nucleic acid controls all cellular activities?
Last Answer : Ans. DNA
Description : Which part of the nervous system controls the activities of internal organs? (1) Spinal cord (2) Cerebrum (3) Cerebellum (4) Medulla Oblongata
Last Answer : (4) Medulla Oblongata Explanation: The medulla oblongata is a portion of the hindbrain that controls autonomic functions such as breathing, digestion, heart and blood vessel function, swallowing and sneezing. Motor and sensory neurons from the midbrain and forebrain travel through the medulla.
Description : Marketing planning is a continuous process because A)marketing activities must parallel those of competitors. B)the time frame of plans must co -ordinate with the time frame of marketing controls. C ... change. E)marketing managers tend to develop marketing myopia and focus on short -term plans.
Last Answer : E)marketing managers tend to develop marketing myopia and focus on short -term plans.
Last Answer : Medulla Oblongata
Description : Why should we be concerned with how human activities affect the quality of water?
Last Answer : whether they accumulate or disperse, will degrade the environment
Description : i. Business communication is concerned with ____________ activities. (a) economic (b) business (c) social
Last Answer : Select the correct answer from the options given below and rewrite the statement: i. Business ... attitude (b) signature (c) clarity
Description : The Strategic Management Process is ------------- : A. A set of activities that is guaranteed to prevent Organizational failure B. A process concerned with a Firm's Resources, ... D. A dynamic process involving the full set of commitments, decisions and actions related to the Company
Last Answer : A dynamic process involving the full set of commitments, decisions and actions related to the Company