Chemistry Tests of Graduation Chemistry (Graduation) Tests 83 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 The science of the relationship of all the organism to their environment is called:- Ecology Botany Biology Environmental chemistry 2 / 25 The minimum value of DO require for water to be pure is:- 4 ppm 3 ppm 2 ppm 1 ppm 3 / 25 The genes formed by the combination of DNA segments from two different origins is called:- Chimeric Gene Pseudo gene Linked gene Recombinant DNA 4 / 25 The t-RNA molecules contains approximately:- >110 nucleotide 96-110 nucleotide 64 nucleotide 74-95 nucleotide 5 / 25 The characterization of the structure , function, evolution and mapping is called:- Genomics Proteomics Bioenergetics Glycolysis 6 / 25 Honey is rich in the hydrolytic product of:- Inulin Starch Maltose Lactose 7 / 25 Which of the following gas is lightest:- Dihydrogen Dintrogen Dioxygen Helium 8 / 25 The process of addition of phosphoric acid and lime to hot juice is called:- defecation Filtration sulphitation phosphatation 9 / 25 Most commonly used cation exchange resin are prepared from copolymer of:- benzene Divinyl benzene and styrene Divinyl benzene and phenol all of the above 10 / 25 Arrange the hydrides of group 15 in the correct order of reducing nature:- NH3> PH3< AsH3<SbH3<BiH3 NH3< PH3< AsH3<SbH3<BiH3 NH3< PH3< AsH3>SbH3<BiH3 NH3< PH3< AsH3<SbH3>BiH3 11 / 25 Porous size of agarose gel is help to separate:- Most proteins Micro RNA Small ilogonucleotides Large protein complexes 12 / 25 Which statement regarding to double helical of DNA is true:- All hydroxyl group of pentose are involved in linkage Bases are parallel to the long axis Both the strands are identical Both the strands are parallel 13 / 25 Which cell organelle is concerned with degradation of cell debris:- Endoplasmic reticulum Nucleotide Lysosomes Golgi complex 14 / 25 H2S act as:- Chlorinating agent oxidizing agent none of the above reducing agent 15 / 25 Which structural components separates the contents of the cells from the surrounding:- Plasma membrane Cytoplasm Nucleus Cytosol 16 / 25 Which set does not belong to same group:- None of them N, P, As, Sb C,Si, Ga, Sn Cl, Br, I , At 17 / 25 In wood cellulose molecules bonded together by:- lignin rubber additive plastic 18 / 25 Fluorine forms fluorides reacting with:- Non metal Any of the above Metals Metalloids 19 / 25 Which of the following is the coenzyme in transamination reactions:- NADH FAD+ Pyridoxal phosphate Biotin 20 / 25 The most convenient and has nearest approach to a universal pH measurement is:- colorimetric method emf method pH indicator pH stripes 21 / 25 Which of the following is a chalcogen:- Selenium Sulphur Tellurium All of these 22 / 25 Which trihalides of nitrogen behave as a weakest base:- NF3 NI3 NCl3 NBr3 23 / 25 Disease caused by eating fish found in water contaminated with industrial wastes having mercury is:- Minamata disease Hashimoto's disease Osteosclerosis Bright's disease 24 / 25 The percentage f nitrogen in ammonium sulphate is:- 27 19 21 23 25 / 25 Which detection methods are used in IC:- electrochemical detection atomic and molecular spectroscopic detection Conductivity detection all of the above Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here