Quiz Hard 1 Categories Quizzes 2 Quiz Hard 1 1 / 30 The study of biology at a molecular level is called Cryptography Taxonomy Hematology Molecular Biology 2 / 30 What refers to the casehardening process by which the carbon content of the steel ear the surface of a part is increased? Annealing none Carburizing Martempering Normalizing 3 / 30 Osteology is the study of snakes study of bones study of viruses Study of eyes 4 / 30 In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon Their electrical properties like their charges Physical properties of the medium like its density Their physical properties like size & weight both a and b 5 / 30 At constant temperature and pressure, the rates of effusion of various gases vary inversely as square root of their densities. This is a statement of Avogadro's law Graham's law Boyle's law Charles's law Dalton's law 6 / 30 phsychlogical study of life in artifical enviroment is called? SPSC 2016 phsycholgy biopsy lexicography philately 7 / 30 Activated M-phase-promoting factor (MPF) signals entry into which of the following mitotic cell cycle phases? S phase G1 G2 M phase 8 / 30 Which of the following equations correctly represents the van der Waals equation? (p - an2/v2) (v - nb) = nRT (p + an/v2) (v - nb) = nRT (p + a2n/v) (v - nb) = nRT (p - an2/v) (v - nb) = nRT (p + an2/v2) (v - nb) = nRT 9 / 30 Which of the following does not occure, within mitochondria? Electron transport system Krebs cycle ATP synthesis Glycolysis 10 / 30 Mitosis is similar to none Meiosis I both a and b Meiosis II 11 / 30 Which eukaryotic organelle contains oxidizing enzymes? Lysosome ER Peroxisome Golgi apparatus 12 / 30 How many homologous peirS are present in a cell with a diploid number of 40? 10 80 40 20 13 / 30 The expected specific waste of paper and allied products industry is glues all these chemicals paper and fiber residue inks 14 / 30 Water that easily form a lather of films gad froths when agitated with a map solution is called distilled water washing water heavy water sofrt water hard water 15 / 30 Araneology deals with the study of skull study of skin study of spiders study of frogs 16 / 30 Which of the following oxide is formed in appreciable quantity in the atmosphere? NO N2O NO2 all these 17 / 30 What is ophthalmology? study of snakes Study of eyes Study of fossils study of viruses 18 / 30 An amine is produced in the following reaction, C3H5I+2NH3--> C2H5NH2 + NH4 I electrophonic substitution nucleophilic substitution nucleophilic addition electrophonic addition 19 / 30 It is often said that the rate of a typical reaction is roughly 10oC. What explains this observation? Raising the temperature by 100C doubles the number of molecular collisions in a given time Raising the temperature by 10oC doubles the average velocity of each molecule Raising the temperature by 10oC doubles the average energy of each molecule Raining the temperature by 10oC doubles the soother of molecules having more than a certain minimum energy 20 / 30 Which of the following statements is true regarding genomes? The more different DNA sequences of two species are to one another, the more recently two species diverged all of these Two members of different races may have more genes in common than two members of the same race. Humans and chimpanzees share about 500/o of their DNA sequences 21 / 30 Which of the following is the main component of the cytoplasm? Ectoderm Chlorophyll Cytosol Cytosine 22 / 30 The site of glycolysis is Golgi complex Peroxisomes Mitochondria Cytoplasm 23 / 30 Manganese steel usually contains how many percent of mangananese 18 to 22 14 to 18 11 to 14 5 to 10 1 to 5 24 / 30 Crganelle in plants that possesses enzymes in addition to glycolic acid oxidase and catalase but not found in animal cells is Glyoxysomes Lysosomes Ribosomes Peroxisomes 25 / 30 A 54-year-old man and his 26-year-old son are each accused of committing a rape Why would DNA fingerprinting be difficult in evaluating this case? we cannot be certain that father and son are biologically related so compansons are not possible none of the above DNA typing requires samples from related to compare to the crime sample fiber and son are likely to have the alleles for sequences examined 26 / 30 The cell wall is secreted by EndoPlasmic reticulum Golgi complex Protoplasm Nucleus 27 / 30 What are natural or synthetic rubber like materials which have out-standing elastic characteristics? none Thermosetting plastics Elastomers Thermoplastic plastics polymers 28 / 30 The outermost boundary in most of the plant cells is Cell Membrane Cell Wall Unit membrane Tonoplast 29 / 30 Indicate false statement about stainless steel? none Stainless steels are poor conductors of heat Stainless steels are poor conductors of electricity The density of stainless steel is about the same as carbon or low-alloy steels Stainless steels have tensile moduli greater than those of carbon and alloy. steels 30 / 30 Which class of microtubules disappear during mitotic telophase? Kinetochore polar Astral Radial Your score is Share: Quiz Dad Previous post Quiz Medium 5 October 1, 2022 Next post Quiz Hard 2 October 1, 2022 You may also like Quiz Hard 5 1 October, 2022 Quiz Hard 4 1 October, 2022 Quiz Hard 3 1 October, 2022