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You Are On Multi Choice Question Bank SET 1777
88851. In a flat arch,the skew back is made to rest in an inclined position so as to make an angle of --------with springing line
(A): 300 (B): 600 (C): 500 (D): 400
88852. The lowest part of a structure which transmits the load to the soil is known as:
(A): Super structure (B): Plinth (C): Foundation (D): Basement
88853. The compressive strength of good Portland cement and standards and mortar after 3 days of curing should not be less than:
(A): 17.5 mN/m2 (B): 7mN/m2 (C): 21mN/m2 (D): 11.5mN/m
88854. The percentage of residue left after seiving good portland cement in 90 micron sieve should not exceed
(A): 0.2 (B): 0.55 (C): 0.3 (D): 10%
88855. What is the number of traditional brick required for 10 m3 of brick work with standard thickness of cement mortar 1:3 to 1:5?
(A): 4750 (B): 4850 (C): 4950 (D): 5050
88856. Food most often associated with emetic type of food poisoning caused by Bacillus cereus, is
(A): Meat (B): Rice (C): Milk (D): Eggs
88857. Koch's postulates were satisfied for the first time with
(A): Clostridium tetani (B): Corynebacterium diphtheriae (C): Bacillus anthracis (D): Salmonella typhi
88858. Ascoli's thermoprecipition test helps in confirming the laboratory diagnosis of
(A): tetanus (B): anthrax (C): typhoid (D): cholera
88859. McFadyean's reaction is employed for the presumptive diagnosis of
(A): anthrax (B): tetanus (C): typhoid (D): all of these
88860. The bacteria, used to examine the efficacy of autoclave, is
(A): B polymyxa (B): B brevis (C): Bacillus stearothermophilus (D): B megaterium
88861. Antibodies to which of the following antigens of Bacillus anthracis are protective?
(A): Capsular polypeptide (B): Somatic polysaccharide (C): Anthrax toxin (D): None of these
88862. The test(s) which can be used to differentiate anthrax bacilli from anthracoid bacilli is/are
(A): presence of medusa-head colony (B): presence of capsule (C): susceptibility to gamma phage (D): all of these
88863. Medusa head appearance of the colonies may be due to
(A): Bacillus anthracis (B): Proteus mirabilis (C): Clostridium tetani (D): Pseudomonas aeruginosa
88864. The moisture content of timber used in building frames can be:
(A): 2% to 5% (B): 8% to 12% (C): 12% to 18% (D): >20%
88865. The length of a ranging rod is:
(A): 2 to 4 mtrs (B): 2 to 3 mtrs (C): 3 to 4 mtrs (D): 2 to 2.5 mtrs
88866. The durability of concrete is proportional to
(A): Sand content (B): Water cement ratio (C): Aggregate water ratio (D): Cement aggregate ratio
88867. For RCC construction,the maximum size of coarse aggregate is limited to:
(A): 15 mm (B): 20 mm (C): 25 mm (D): 10 mm
88868. According to Indian standard specifications,the temperature for curing is:
(A): 5 C (B): 10 C (C): 27 C (D): 42 C
88869. The enzyme, which hydrolyses the murein is
(A): perxoidase (B): tannase (C): lysozyme (D): none of these
88870. Bacterial spoilage is identified by which of the following morphological characteristics?
(A): Encapsulation (B): Endospores (C): Cell aggregation (D): All of these
88871. Bacteria are
(A): saprophytic (B): symbiotic (C): hyper parasitic (D): all of these
88872. Gram-negative bacteria, responsible for food poisoning, is/are
(A): Salmonella (B): Pseudomonas (C): Clostridia (D): None of these
88873. Coliform bacteria on fermentation of carbohydrates yields
(A): lactic acid (B): acetic acid (C): formic acid (D): all of these
88874. Gram-negative bacterium is/are
(A): Escherichia (B): Clostridia (C): Staphylococci (D): All of these
88875. Thermus thermopiles is a
(A): gram negative eubacteria (B): gram positive eubacteria (C): gram negative archebacteria (D): gram positive archebacteria
88876. Which of the following is a gram-positive bacteria?
(A): Lactobacillus (B): Staphylococci (C): Streptococci (D): All of these
88877. Which of the following is/are not a gram-positive bacteria?
(A): Streptococci (B): Pseudomonas (C): Mycobacteria (D): None of these
88878. Gram-positive bacteria, responsible for food poisoning, is/are
(A): Mycoplasmas (B): Pseudomonas (C): Clostridia (D): all of these
88879. The gram-positive bacteria lack __________ structure/component?
(A): outer membrane (B): murein (C): teichoic acid (D): plasma membrane
88880. Which of the following gram-positive bacteria causes pharyngitis (sore throat)?
(A): Neisseria (B): Streptococcus (C): Staphylococcus (D): Mycobacterium
88881. Which of the following gram-negative bacteria is/are not aerobic?
(A): Pseudomonas (B): Neisseria (C): Escherichia (D): None of these
88882. A fixed point with known elevation is known as:
(A): Daturm point (B): Reference print (C): Bench mark (D): First sight
88883. Frog made in the bricks is:
(A): To reduce the weight of the brick (B): To form a key for holding the mortar (C): To indicate manufacturing details (D): To indicate the top of the brick
88884. The chief ingredient of paint is:
(A): Alcohol (B): Drier (C): Pigment (D): Oil
88885. Linseed oil in paint is used as a:
(A): Base (B): Thinner (C): Carrier (D): Pigment
88886. The base material for distemper is:
(A): Lime (B): Clay (C): Chalk (D): Lime putty
88887. Which of the following may contain fimbriae?
(A): Gram-positive bacteria (B): Gram-negative bacteria (C): Both and (D): None of these
88888. Peptidoglycan accounts for __________ of the dry weight of cell wall in many gram positive bacteria
(A): 50% or more (B): About 10% (C): 11%+ 0.22% (D): About 20%
88889. Bacteria having no flagella are unable to
(A): move (B): reproduce (C): stick to tissue surfaces (D): grow in nutrient agar
88890. Which of the following is true about cell wall of gram-positive bacteria?
(A): It consists of multiple layers (B): It is thicker than that associated with gram-negative bacteria (C): It contains teichoic acids (D): All of these
88891. The cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as
(A): lipase (B): lysozyme (C): pectinase (D): peroxidase
88892. The cell wall of
(A): gram-positive bacteria are thicker than gram-negative bacteria (B): gram-negative bacteria are thicker than gram-positive bacteria (C): both have same thickness but composition is different (D): none of these
88893. Peptidoglycan is also known as
(A): N-acetyl muramic acid (B): murein mucopeptide (C): N acetylglucosamine (D): mesodiaminopimetic acid
88894. Genetic system is located in the prokaryotes in
(A): nucleoid (B): chromatin (C): nuclear material (D): all of these
88895. Which is most likely to be exposed on the surface of a gram-negative bacterium?
(A): Pore protein (porin) (B): Protein involved in energy generation (C): Lipoteichoic acid (D): Phospholipids
88896. The last step in synthesis of peptidoglycan is
(A): attachment of a peptide to muramic acid (B): attaching two amino acids to form a cross-link (C): attachment of a portion of peptidoglycan to a membrane lipid (D): binding of penicillin to a membrane protein
88897. Cytoplasmic inclusions include
(A): ribosomes (B): mesosomes (C): fat globules (D): all of these
88898. The cocci which forms a bunch and irregular pattern are
(A): Staphylococci (B): diplococci (C): Tetracocci (D): Streptococci
88899. Chemotaxis is a phenomenon of
(A): swimming away of bacteria (B): swimming towards a bacteria (C): swimming away or towards of bacteria in presence of chemical compound (D): none of the above
88900. The structure responsible for motility of bacteria is
(A): pilli (B): flagella (C): sheath (D): capsules
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