Chemistry Tests of Graduation Chemistry (Graduation) Tests 94 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 The gases that are responsible for green house effect are:- N2O All above CO2 & CH4 CFC 2 / 25 The component of environment which consisting of mixture of gases is called:- Lithosphere Hydrosphere Biosphere Atmosphere 3 / 25 Which of the following elements has the highest melting point:- Mg Sr Ca Be 4 / 25 Which minerals contains traces of He and Ne gases;- None of the above Cleveite Monazite Bitchblende 5 / 25 The most controversial approach in gene therapy is:- Germ line gene therapy Antisense therapy Ex Vivo gene therapy Somatic cells gene therapy 6 / 25 The process of addition of phosphoric acid and lime to hot juice is called:- phosphatation defecation sulphitation Filtration 7 / 25 Which of the following noble gas is used in cinematography:- Kr He Xe Rn 8 / 25 The first step in genetic engineering is:- Growth of GMO Expression of gene Isolation of gene of interest Insertion of gene into vector 9 / 25 ______ forms electron deficient compounds:- None of them Both a, b B Al 10 / 25 Waste liquid discharge from industry is called:- effluent None of these Mist Fog 11 / 25 Which is true bout the application of GC:- all of the above analysis of polycyclic hydrocarbons in air analysis of volatile organic compound analysis of volatile oil and cosmetic formulation 12 / 25 Catenation is a process of formation of long chain of ______:- free atoms identical atoms different atom all of these 13 / 25 Number of bond pairs as well as lone pairs around the central atom decide:- None of them Nature of bond Geometry of molecule Physical property of molecule 14 / 25 If electronegativity difference is > 1.8 the bond is more__-_:_ Covalent Ionic Coordinate covalent None polar 15 / 25 Insulin produced in bacterial expression system is called:- Therapeutic Insulin Bacterial insulin Humulin Insulin 16 / 25 The obligate organisms die when exposed to:- Methane Oxygen Nitrogen Hydrogen 17 / 25 What products are formed when ozone absorbs UV light:- Both of these None of these O + O O2+ O. 18 / 25 When two charged atoms are brought together, their surrounding electron clouds influence each other and create transient electric dipole which attract each other. These weak attraction are called:- van der waals interaction H-bonding Hydrophobic interaction Dipole interaction 19 / 25 The aqueous component of the cytoplasm is called:- Proteasomes Nucleus Cytosol Ribosomes 20 / 25 In graph of atomic values versus atomic weight, the elements corresponding to peaks in the curve belongs to:- Group 1 Group 18 Group 14 Group 4 21 / 25 Ammonia is utilized for:- oxidation of nitric acid manufacture of ammonium sulphate Manufacture of urea all above 22 / 25 Which factors speed up rusting:- presence of rust all of the above Contact with less active metal acidic environment 23 / 25 How many energy bonds are used up during the elongation step in protein synthesis:- 2 1 4 3 24 / 25 Gangliosides occur in:- Liver Muscle Brain Kidney 25 / 25 What are cellular forms of urethanes, polystyrenes, vinyls, polyethylenes and variety of other plastics:- Plastic foams polymers Thermosetting plastic Thermoplastic plastic Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here