Description : Allelochemicals liberate through volatiliza tion a). Terpinoid b). Alkaloids c). Tannins d). Lactones
Last Answer : a). Terpinoid
Description : Flavonoids improve diabetes' cardiovascular function?
Last Answer : A one year double-blind contrast clinical study in britain showed that cocoa flavonoids and soybean isoflavone can significantly improve the risk of cardiovascular disease in type II Diabetes menopause ... ebiochem that flavonoids help to reduce the risk of cardiovascular disease in women patients.
Description : The red, orange and yellow colours of leaf is due to – (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenold
Last Answer : (4) Carotenold Explanation: The red, orange and yellow colours of leaf are due to carotenoids.
Description : The red, orange and yellow colours of leaf is due to : (1) Aldehydes (2) Tannis (3) Lignins (4) Carotenoid
Last Answer : Carotenoid
Description : Hops and tannins
Last Answer : Here in late 2009 these seems to be no fear of hops and tannins. Thank you for being afraid to drink your favorite beer. There has been plenty for us…..
Description : Identify the incorrect statement. (a) Heartwood does not conduct water but gives mechanical support. (b) Sapwood is involved in conduction of water and minerals from root to leaf. (c) Sapwood is the innermost ... . (d) Due to deposition of tannins, resins, oils, etc., heartwood is dark in colour.
Last Answer : (c) Sapwood is the innermost secondary xylem and is lighter in colour
Description : .Which group of allelochemicals con tains Quinones and Coumarines? a). Flavinoids b). Cinnamic acid derivatives c). Tannins d). None
Last Answer : b). Cinnamic acid derivatives
Description : Allelochemicals subject to volatilization a). Terpinoids b). Tannins c). Purines d). All
Last Answer : a). Terpinoids
Description : Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when (A) Extracting solvent is cheaply & abundantly available ... very high (D) One of the liquid components has very high affinity towards the solvent
Last Answer : (D) One of the liquid components has very high affinity towards the solvent
Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol
Last Answer : a. Acid; Hydrogen Gas
Description : Are alkaloids found in nature?
Last Answer : Need answer
Description : The number of N-MC groups in alkaloids is best estimate with the help of (A) HI (B) H2SO4 (C) (CH3CO)2 CO (D) CH3 Mg I
Last Answer : Answer : A
Description : Alkaloids are usually purified by extraction with (A) Ether (B) Dil HCl (C) NaOH (D) Chloroform
Last Answer : Answer : B
Description : Opium alkaloids are: (1) Codeine (2) Diethyllysergic acid (3) Morphine (4) Saffron
Last Answer : Ans. ((d))
Description : Amino acids are required for the synthesis of – (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates
Last Answer : (3) Proteins Explanation: Amino acids are required for the synthesis of body protein and other important nitrogen-containing com-pounds. Amino acids are constituents of protein and act as precursors for ... be synthesized and which must then be acquired via the diet are referred to as essential.
Description : Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of — (1) Carbohydrates (2) Peptides (3) Polyhydric alcohols (4) Alkaloids
Last Answer : (2) Peptides Explanation: Aspartame is an artificial, nonsaccharide sweetener used as a sugar substitute in some foods and beverages. It is a methyl ester of the aspartic acid/phenylalanine ... more severe conditions, the peptide bonds are also hydrolyzed, resulting in the free amino acids.
Description : Which of the following statements is incorrect? (a) Yeasts have filamentous bodies with long thread like hyphae. (b) Morels and truffles are edible delicacies. (c) Claviceps is a source of many alkaloids and LSD. (d) Conidia are produced exogenously and ascospores endogenously
Last Answer : (a) Yeasts have filamentous bodies with long thread like hyphae.
Description : Pick out the wrong statement. (A) Pasteurisation of milk involves moderate heating followed by cooling (B) Bakeries and breweries make use of yeasts (C) Enzyme is a complex nitrogenous compound (D) Oils and fats are alkaloids
Last Answer : (D) Oils and fats are alkaloids
Description : Phosphate regulation has been observed in the production of A.alkaloids B.antibiotics C.gibberelins D.all of these
Last Answer : D.all of these
Description : Tropane alkaloids are NOT present in (A) Datura stramonium (B) Erythroxylum coca (C) Duboisia myoporoides (D) Lobelia inflata
Last Answer : (D) Lobelia inflata
Description : Alkaloids are NOT precipitated by (A) Mayer's reagent (B) Dragendroff Reagent (C) Picric acid (D) Millon's reagent
Last Answer : (D) Millon's reagent
Description : Root exudates of wheat and oats which has detrimental effects on wild mustard con tain a). Phenolic acid b). Alkaloids c). Sulphides d). Lactones
Last Answer : a). Phenolic acid
Description : Vinca alkaloids exert antitumor activity by: A. Activating topoisomerase II to cause breaks in DNA strands B. Crosslinking DNA strands C. Inhibiting DNA mediated RNA synthesis D. Inhibiting polymerization of tubulin to form intracellular microtubules
Last Answer : D. Inhibiting polymerization of tubulin to form intracellular microtubules
Description : The quarternary analogues of belladonna alkaloids are preferred over the natural alkaloids for antisecretory/ antispasmodic indications because: A. They have additional nicotinic receptor blocking activity B. They are ... of CNS and ocular effects D. Dose to dose they are more potent than atropine
Last Answer : C. They are devoid of CNS and ocular effects
Description : Explain the general chemical test for the identification of alkaloids
Last Answer : Identification tests for alkaloids by precipitation method: 1. Mayer's Reagent (Potassium mercuric iodide) Cream or pale yellow ppt. 2. Dragendorff's Reagent (Potassium bismuth iodide) Brown or ... ppt. 4. Hager's Reagent (Saturated solution of picric acid) Yellow ppt.
Description : Select the correct statement in relation to drug therapy of migraine: A. Simple analgesics like paracetamol are ineffective in migraine B. Ergot alkaloids are used for prophylaxis as well as treatment ... resistant cases D. Ergot alkaloids should be given till 24 hours after an attack has subsided
Last Answer : C. Use of ergot alkaloids is restricted to severe or resistant cases
Description : Name the alkaloids obtained from Capsicum fruitescence and Nicotiana tabacum.
Last Answer : Ans: Capsine from Capsicum and Nicotine from Nicotiana
Description : Amino acids are required for the synthesis of : (1) Alkaloids (2) Lipids (3) Proteins (4) Carbohydrates
Last Answer : Proteins
Description : Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of— (1) Carbohydrates (2) Peptides (3) Polyhydric alcohols (4) Alkaloids
Last Answer : Peptides
Description : Which of the following elements is not present abundantly in earth’s crust ? A. Silicon B. Radium (Answer) C. Aluminum D. Carbon
Last Answer : B. Radium (Answer)
Description : Which is the most abundantly available fossil fuel in India ? Assess the importance of its different forms. -SST 10th
Last Answer : Coal is the most abundantly available fossil fuel. Importance of its different forms: 1. Peat: It comes from decaying plants in the swamp. It has low heating capacity because of low carbon ... coal used especially in smelting iron. 4. Anthracite: It is the highest quality hard coal.
Description : Which is the most abundantly available fossil fuel in India ? Name its four major forms. -SST 10th
Last Answer : Coal is the most abundantly available fossil fuel in India. It comes in the form of peat, lignite, bituminous and anthracite.
Description : Which is the most abundantly available fossil fuel in India? Name its four major forms. -SST 10th
Description : Identify the most abundantly available fossil fuel in India. Explain any two types with its characteristics. -SST 10th
Last Answer : Coal is the most abundantly available fossil fuel in India. (i) Lignite is a low grade brown coal which is soft with high moisture content. (ii) Anthracite is the highest quality hard coal.
Description : Which is the most abundantly available fossil fuel in India? -SST 10th
Last Answer : Coal is the most abundantly available fossil fuel in India. It provides a substantial part of the nation's energy requirement. India has vast and rich reserves of coal, distributed in different regions ... It is used in thermal power stations. Principal reserves are found in Neyveli in Tamil Nadu.
Description : Which is the most abundantly available fossil fuel? -SST 10th
Last Answer : Coal is the most abundantly available fossil fuel.
Last Answer : Coal is an important and abundantly available fossil fuel in India. It is formed due to the compression of plant material over millions of years. It is a bulky material and loses weight on use ... special value for smelting iron in blast furnaces. (iv) Anthracite is the highest quality hard coal.
Description : Which is the most abundantly available available fossil fuel in India? -SST 10th
Last Answer : ' Abundantly available fossil fuel in India is Coal. Importance: (i) Peat has low carbon and high moisture content and low heating capacity. (ii) Lignite is a low grade brown coal which is ... a special value for smelting iron in blast furnaces. (iv) Anthracite is the highest quality hard coal.
Last Answer : Abundantly available fossil fuel in India is Coal. Importance: (i) Peat has low carbon and high moisture content and low heating capacity. (ii) Lignite is a low grade brown coal which is ... special value for smelting iron in blast furnaces. (iv) Anthracite is the highest quality hard coal.
Description : Which minerals occurs abundantly in the Earth’s crust? -Do You Know?
Last Answer : answer:
Description : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly present in small intestine.
Last Answer : Assertion `:-` Maximum absorption of food occur in jejunum. Reason `:-` Villi `&` microvilli abundantly ... . D. If both Assertion & Reason are false.
Description : Write the enzyme which is present most abundantly in the world
Last Answer : Write the enzyme which is present most abundantly in the world
Description : The inert gas abundantly found in atmosphere is:
Last Answer : The inert gas abundantly found in atmosphere is: A. (A) Ar B. (B) Kr C. (C) He D. (D) Xe
Description : On tropical coasts, ………………….. vegetation is found abundantly.
Last Answer : Choose the correct option by identifying the correct correlation in the sentence: On tropical coasts, ... mangrove (c) deciduous (d) coniferous
Description : What is the suffix meaning of abundantly?
Last Answer : In a sufficient degree; fully; amply; plentifully; in large measure.
Description : The inert gas abundantly found in widely distributed is - (1) Xe (2) Kr (3) He (4) Ar
Last Answer : (4) Ar Explanation: Argon (Ar) is the most prevalent of the noble gases in Earth's crust with the element composing 0.00015% of this crust.
Description : Which minerals occurs abundantly in the Earth’s crust?
Last Answer : Silica
Description : Which of the following commercial metals is most abundantly found in India? (A) Copper (B) Aluminium (C) Nickel (D) Zinc
Last Answer : (B) Aluminium
Description : Traditional mode of irrigation are practiced in India because, A. They are cheap. B. They are reliable. C. Indians don’t use other modes as they are expensive. D. They are available abundantly.
Last Answer : A. They are cheap. B. They are reliable.