Description : Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals
Last Answer : Ans: (b). While DNA sequencing both forward and reverse primers are used
Description : The presumptive test for semen is (a). Acid phosphatase test (b). Sodium alpha naphthyl test (c). Napthanil diazo test (d). Barbiturate test
Last Answer : Ans: (a). Acid phosphatase test
Description : Describe the identification methods of blood? Forensic significance of biological materials.
Last Answer : The Forensics of Blood After a homicide or an assault has been committed, police investigators usually find blood at the scene of the crime, giving them clues as to what happened. The blood ... then be compared to DNA profiles obtained from reference standards or from other items of evidence.
Description : For examination of diatoms sample should collect from (a). Bone marrow (b). Blood (c). Tissue (d). Epithelial cells
Last Answer : Ans: (a). Bone marrow
Description : Define about mitochondrial DNA. What is the forensic significance of mtDNA.
Last Answer : mtDNA (mitochondrial DNA): Human mitochondrial DNA (mtDNA) is a circular double-stranded molecule, 16,569 base pairs (bp) in length that codes for 13 subunits of the oxidative phosphorylation ... result can be obtained by typing mtDNA than by typing polymorphic markers found in nuclear DNA.
Description : Describe about the DNA markers and their uses in Forensic cases.
Last Answer : DNA (deoxyribonucleic acid) is a molecule that is shaped like a double helix and made up of pairs of nucleotides, abbreviated as A , C , G and T DNA is packaged ... number of repeats. To date, the molecular markers used to determine parentage have primarily utilized microsatellite markers.
Description : Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.
Last Answer : (d) separation of DNA fragments according to their size.
Description : Forensic significance of Fiber evidence.
Last Answer : Textile fibers can be exchanged between individuals, between individuals and objects and between objects. When fibers are associated with a specific source, such as fabric from the victim, suspect or ... fiber examiners, this most often occurs when pieces of fabric or cordage are physically matched.
Description : What are the different types of timber varieties encountered in forensic cases.
Last Answer : Identification of Timber: Timber has a variety of form which enables it to serve a variety of uses and contributes to its pleasing aesthetic appearance. However, the variability also means that there ... can be distributed evenly or arranged in radial, diagonal lines, or tangential lines.
Description : What are Diatoms. Explain the identification methods of Diatoms and its specificity.
Last Answer : Diatoms are a major group of eukaryotic algae, and are one of the most common types of phytoplankton. Most diatoms are unicellular, although some form chains or simple colonies. A characteristic feature of ... less silicized and have less resistance as compare to the fresh water diatoms.
Description : Illegal way of trafficking animals A. Kidnapping B. Poaching C. Harboring D. Smuggling
Last Answer : Ans: (b). Poaching
Description : In wild life Forensics, identification of animals done by (a). Grouping (b). Feathers (c). Twigs (d). Pug marks
Last Answer : Ans: (d). Pug marks
Description : A study of relationships between organisms and their environment (a). Ethnology (b). Ecology (c). Monospecific (d). Monoecious
Last Answer : Ans: (b). Ecology
Description : The fluorescence examination of the seminal stains indicates (a). Pink color (b). White color (c). Blue color (d). Red color
Last Answer : Ans: (b). Blue color
Description : Restriction enzymes are used in one of these techniques: (a). Sequencing (b). Genotyping (c). RFLP (d). Polymerization
Last Answer : Ans: (c). RFLP
Description : While conducting Luminol test, luminol reacts with hydrogen salt and forms: (a) Di-anion (b) Cation (c) Anion (d) All of the above
Last Answer : Ans: (a). Di-anion
Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.
Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism
Description : Mary’s biological concept of species is mainly based on: (a) Morphological traits (b) Reproductive isolation (c) Modes of reproduction (d) Morphology and reproduction
Last Answer : Ans. ((b))
Description : (2) amount of oxygen used for biochemical oxidation Explanation: Biochemical oxygen demand or B.O.D. is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to ... quantitative test, although it is widely used as an indication of the organic quality of water.
Last Answer : The addition of gypsum to port-land cement helps in : (1) increasing the strength of cement (2) rapid setting of cement (3) preventing rapid setting of cement (4) reduction in the cost of cement
Description : 6) In agarose gel electrophoresis, DNA molecules are separated on the basis of their- a)charge only b)size only c)charge to size ratio d)all of the above
Last Answer : d)all of the above
Description : Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A ... platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin
Last Answer : Answer: a, c Tests of platelet function include peripheral platelet counts, bleeding times, and platelet aggregation. Usually, a platelet count of 50,000/mL or more ensures adequate hemostasis ... is not available in most laboratories, probably because of the observer-dependent nature of the test
Description : What kind of signal does it send to loyal Republican voters when even Paul Ryan is not yet ready to endorse their presumptive nominee, Trump?
Last Answer : We republicans don’t generally like Trump. We despise Hillary and we hate Bernie I don’t think there is a plan. I’m seriously considering not voting in this election, first time I ever have.
Description : A standard test for determination of hardness in water is termed as __________ test. (A) EDTA (B) Electometric (C) Total count (D) Presumptive
Last Answer : (A) EDTA
Description : McFadyean's reaction is employed for the presumptive diagnosis of A.anthrax B.tetanus C.typhoid D.all of these
Last Answer : A.anthrax
Description : Read the following four statements (A-D) about certain mistakes in two of them. (A) The first transgenic buffalo, Rosie produced milk which was human alpha-lactalbumin enriched. (B) Restriction enzymes are used in isolation of DNA ... mistakes? (a) B and C (b) C and D (c) A and C (d) A and B
Last Answer : (d) A and B
Description : Why does DNA move towards the anode in gel electrophoresis? -Biology
Last Answer : answer:
Description : How does DNA migrate in electrophoresis?
Last Answer : Need answer
Description : How does gel electrophoresis separate DNA fragments?
Last Answer : There is a specific density of gel used in the electrophoresis.The DNA is placed in a well, and then electrical charge is used topull the DNA through the gel. Because spliced DNA is ... taxi cab, which is larger, movesslower through the traffic. The bicycle which is smaller, movesquicker.
Description : Why can gel electrophoresis separate dna fragments?
Last Answer : Electrophoresis enables you to distinguish DNA fragments of different lengths. DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively ... marker, you can work out the approximate length of the DNA fragments in the samples.
Description : Write the importance of gel electrophoresis during DNA finger print technology.
Last Answer : Gel electrophoresis helps to break down the DNA of an individual into short fragments from which a DNA finger print can be obtained.
Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.
Last Answer : (d) PCR.
Description : DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.
Last Answer : (a) electrophoresis
Description : What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. ... charged fragments do not move. (d) The larger the fragment size, the farther it moves.
Last Answer : (a) The smaller the fragment size, the farther it moves
Description : Given below are four statements pertaining to separation of DNA fragments using gel electrophoresis. Identify the incorrect statements. (i) DNA is negatively charged molecule and so it is loaded on gel towards the anode terminal. (ii) DNA ... (iii) (c) (ii), (iii) and (iv) (d) (i), (ii) and (iv)
Last Answer : (d) (i), (ii) and (iv)
Description : In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.
Last Answer : (b) ethidium bromide in UV radiation
Description : The technique for purification of proteins that can be made specific for a given protein is (A) Gel filtration chromotography (B) Ion exchange chromatography (C) Electrophoresis (D) Affinity chromatography
Last Answer : Answer : D
Description : An auditor should design the written audit program so that a. All material transactions will be selected for substantive testing. b. Substantive tests prior to the balance sheet date ... controls or tests of transactions. d. The audit procedures selected will achieve specific audit objectives
Last Answer : The audit procedures selected will achieve specific audit objectives
Description : An auditor should design a written audit program so that: a. All material transactions will be selected for substantive testing. b. Substantive tests prior to the balance sheet date will be minimized ... . d. Each account balance will be tested under either tests of controls or tests of transactions
Description : Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA
Last Answer : (a) Ligases - Join the two DNA molecules
Description : Regarding interferon: a. it is a virus specific molecules b. it acts by neutralizing exotoxin c. it enhances the histocompatibility antigen on cell surface and thereby activate the T cells d. it exerts its effect by integrating itself with the DNA of virus infected cells
Last Answer : it enhances the histocompatibility antigen on cell surface and thereby activate the T cells
Description : In a eukaryotic cell, what separates DNA from the protein translation machinery in the cytoplasm?
Last Answer : The nuclear envelope.
Description : Underlying the construction of intelligence tests is the assumption that the people to be tested Options: A) Are of normal intelligence B) Are of the same stock from the biological point ... ) Can be measured as to intelligence without undue interference from the factor of differences in experience
Last Answer : D) Can be measured as to intelligence without undue interference from the factor of differences in experience
Description : If two samples are different in size, like 20 to 60, is it a good idea to apply two sample t-tests and chi-square tests?
Last Answer : answer:If the data is continuous (or close to it), then I would use this version of the two-sample t-test. You would not have to downsize the sample. The number of degrees of freedom is hard to ... you can use the smaller sample size, minus one, as a conservative estimate. In this case, df > 19.
Description : Where can I find sample driving permit tests online?
Last Answer : I would search for free driving tests for your particular state. Although most laws are the same from state to state some may differ. I did find a free practice permit test online at www.drivingdirectory.com/test, but I have not personally tried this out.
Description : Where Portion sample tests(test piece) should be conducted? (i) At desire by RDSO (ii) At Zonal CMT’s organisation or the Flash Butt Welding plant. * (iii) In RDSO campus (iv) As decided by in charge of the plant
Last Answer : At Zonal CMT’s organisation or the Flash Butt Welding plant.
Description : The thermal and electric pulp tests will, A. Give an accurate indications of the pulp status B. The patient’s response will be either pain or no pain C. The patient can differentiate between cold or hot stimuli
Last Answer : A. Give an accurate indications of the pulp status
Description : Plasmid DNA isolation by alkaline lysis method. -Biology
Description : During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.
Last Answer : a) precipitate DNA
Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere
Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere