Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses
Last Answer : (1) Bacteria Explanation: Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane or simple organic molecules by micro-organisms such as ... or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.
Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) bacteria (2) nuclear proteins (3) radioactive substances (4) viruses
Last Answer : (1) bacteria Explanation: Biodegradable waste is a type of waste, typically originating from plant or animal sources, which may be degraded by other living organisms.
Last Answer : (1) Bacteria Explanation: Bacteria are the most abundant organisms which play important role in the decomposition of organic matter. Majority of bacteria involved in decomposition of organic ... and autotrophs are least in proportion which are not directly involved in organic matter decomposition.
Description : Biodegradable wastes can usually be converted into useful substances with the help of (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses
Last Answer : Bacteria
Description : .In functional allelopathy a). Toxic substances are released as such from the plants b). A precursor is released and is converted into active substances by some microorganisms c). No release of any toxic substance d). release of nitrogen from nodule of legume takes place
Last Answer : b). A precursor is released and is converted into active substances by some microorganisms
Description : Active immunity can be produced by administration of (A) Killed bacteria or viruses (B) Live attenuated bacteria or viruses (C) Toxoids (D) All of these
Last Answer : Answer : D
Description : Osmotically active substances in plasma are (A) Sodium (B) Chloride (C) Proteins (D) All of these
Description : The biological decomposition of organic substances in wastes under controlled conditions known as - (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis
Last Answer : (1) composting
Description : The biological decomposition of organic substances in wastes controlled conditions is called (A) Incineration (B) Biological oxidation (C) Composting (D) None of these
Last Answer : (C) Composting
Description : The biological decomposition of organic substances in wastes under controlled conditions known as (1) composting (2) incineration (3) sanitary landfill (4) pyrolysis
Last Answer : composting
Description : A high surface area to volume ratio in cells is important because it (a) Enables efficient transfer of wastes, nutrients and gases across the cell membrane (b) Prevents overproduction of cell ... self and non-self (d) Provides for better structural support to cope with external physical pressure
Last Answer : Ans:(a)
Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer
Last Answer : (2) Biological control of crop diseases Explanation: Mushroom cultivation has been found to coincide with decrease of incidents of breast cancer. Spent residues after cultivation could ... production; and agricultural waste recycling can be achieved through controlled cultivation of mushrooms.
Description : Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer
Last Answer : (2) Biological control of crop diseases
Last Answer : Biological control of crop diseases
Description : How might an enrichment culture be used to isolate bacteria capable of degrading pesticides and other hazardous wastes?
Last Answer : Feel Free to Answer
Description : How can nuclear wastes/ radioactive wastes disposed?
Last Answer : Radioactive matter is impregnated in glass slab and disposed in the deep sea in strong steel containers so that radiation cannot reach the level of biosphere.
Description : Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy
Last Answer : (a) Nuclear energy
Description : Radioactive solid nuclear wastes are disposed off by (A) High temperature incineration (B) Pathological incineration (C) Pyrolysis (D) Underground burial in concrete containers
Last Answer : (D) Underground burial in concrete containers
Description : What do you understand by the term ‘Dark Fermentation’? (1) It is a method to dispose nuclear wastes. (2) It is a method to produce methane from organic wastes. (3) It is a method to reduce COD in the atmosphere. (4) It is a method to produce Hydrogen as a fuel from waste water.
Last Answer : It is a method to produce Hydrogen as a fuel from waste water.
Description : If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually ... is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous
Last Answer : Answer: a, c Identification of a necrotizing, soft tissue infection mandates immediate operative intervention with aggressive resection of all involved tissues and empiric ... remains without controlled trials demonstrating any additional benefits derived from hyperbaric oxygen therapy
Description : HMGCoA is directly converted into what substances?
Last Answer : Acetoacetate, acetyl CoA, mevalonate.
Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?
Last Answer : ANSWER: CARBON DIOXIDE (CO2) AND WATER (H2O)
Description : A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses
Last Answer : Answer : C
Description : Glucose will be converted into fatty acids if the diet has excess of (A) Carbohydrates (B) Proteins (C) Fat (D) Vitamins
Last Answer : A
Description : Consider the following statements - 1. Cuba is considered the sugar bowl of the world 2. Sugar was a rare commodity in Europe till the middle ages 3. Honey is a rich source of vitamins and minerals 4. All green plants synthesize sugar ... is/are true? (a) Only 1 (b) 1 and 3 (c) 2 and 3 (d) 2 and 4
Last Answer : Ans:(d)
Description : In digestion, proteins are converted into (1) Fatty acids (2) Glucose (3) Amino acids (4) Maltose
Last Answer : (3) Amino acids Explanation: Most proteins are decomposed to single amino acids in digestion. Digestion typically begins in the stomach when pepsinogen is converted to pepsin by the action of ... intestine, most proteins are already reduced to single amino acid or peptides of several amino acids.
Description : Proteins are finally converted into: (a) Glucose (b) Amino acid (c) Glycerol (d) Fatty acid
Last Answer : (b) Amino acid
Last Answer : Amino acids
Description : ________is the business through which new ideas and innovations are given a sharp and are converted into useful products and services . A. Market Leadership. B. Challenge. C. Joy of Creation. D. Growth.
Last Answer : C. Joy of Creation.
Description : Assertion : Interferons are effective against viruses. Reason : Proteins which can be synthesized only by genetic engineering are effective against vi
Last Answer : Assertion : Interferons are effective against viruses. Reason : Proteins which can be synthesized only ... If both the assertion and reason are false
Description : The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA
Last Answer : (1) proteins Explanation: All viruses contain the following two components: a nucleic acid genome and a protein capsid that covers the genome. Together this is called the nucleocapsid. The proteinous ... , many animal viruses contain a lipid envelope. The entire intact virus is called the virion.
Description : Which statement is wrong for viruses? (a) All are parasites. (b) All of them have helical symmetry. (c) They have ability to synthesize nucleic acids and proteins. (d) Antibiotics have no effect on them
Last Answer : (b) All of them have helical symmetry
Description : Which of the following statements is incorrect? (a) Prions consist of abnormally folded proteins. (b) Viroids lack a protein coat. (c) Viruses are obligate parasites. (d) Infective constituent in viruses is the protein coat.
Last Answer : (d) Infective constituent in viruses is the protein coat.
Description : 100. Which statement is wrong for viruses ? (1) Antibiotics have no effect on them (2) All are parasites (3) All of them have helical symmetry (4) They have ability to synthesize nucleic acids and proteins
Last Answer : All of them have helical symmetry
Description : The chemical component that is invariably found in all viruses is : (1) proteins (2) lipids (3) DNA (4) RNA
Last Answer : proteins
Description : Reabsorption of useful substances back into the blood from the filtrate in a nephron occurs in or In which part of kidney, Glucose and amino acids are
Last Answer : Reabsorption of useful substances back into the blood from the filtrate in a nephron occurs in or In ... of Henle D. Ascending limb of loop of Henle
Description : Trypsinogen is converted into active trypsin by the action of
Last Answer : Trypsinogen is converted into active trypsin by the action of A. Cholecystokinin B. Enterocrinin C. Enterokinase D. Secretin
Description : What is true about Bt toxin? (a) Bt protein exists as active toxin in the Bacillus. (b) The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication. ... Bacillus has antitoxins. (d) The inactive protoxin gets converted into active form in the insect gut.
Last Answer : (d) The inactive protoxin gets converted into active form in the insect gut.
Description : In Bt cotton, the Bt toxin present in plant tissue as protoxin is converted into active toxin due to (a) action of gut microorganisms (b) presence of conversion factors in insect gut (c) alkaline pH of the insect gut (d) acidic pH of the insect gut.
Last Answer : (c) alkaline pH of the insect gut
Description : What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active ... c) Gastric juice will be deficient in chymosin. (d) Gastric juice will be deficient in pepsinogen.
Last Answer : (a) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
Description : Trypsinogen is converted into active Trypsin by : (a) Mucus (b) Bile juice (c) Enterokinase (d) Hormone
Last Answer : (c) Enterokinase
Description : Which one is a client level threat? a. Malicious code b. Viruses c. Active contents d. All the above
Last Answer : d. All the above
Description : In nuclear fission, how many percentage of mass is converted into energy?
Last Answer : 0.10%
Description : Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor. (A) Thermal (B) Fast breeder (C) Heavy water moderated (D) Enriched uranium
Last Answer : (B) Fast breeder
Description : Basic metals can be converted into gold by ? A. Heating B. Beating C. Artificial nuclear radioactivity (Answer) D. Chemical reaction
Last Answer : C. Artificial nuclear radioactivity (Answer)
Description : Pick out the wrong statement. (A) Geothermal energy is a non-conventional source of energy (B) Mass is converted into energy in both nuclear fission & fusion reaction (C) Inhalation of mercury vapour is not harmful for human beings (D) Inhalation of arsenic causes cancer
Last Answer : (C) Inhalation of mercury vapour is not harmful for human beings
Description : Usually viruses are separated into several large groups based primarily on A.nature of the host B.nucleic acid characteristics C.capsid symmetry D.diameter of the viroin or nucleocapsid
Last Answer : A.nature of the host
Description : How big must a pile of bacteria or viruses be to be visible to the human eye?
Last Answer : A pinhead.
Description : Would finding out that obesity is caused by bacteria or viruses change your perspective on it?
Last Answer : The simple fact of the matter is that only so much can be blamed on something other than the mechanics of fork-to-mouth. You don’t become 300 lbs overweight by catching a bug.
Description : How do viruses differ from bacteria? -Biology
Last Answer : On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.