Chemistry (Graduation) Tests 69 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 The major function of HDL is to transfer cholesterol from peripheral tissue to_____:- heart lungs liver Kidney 2 / 25 A moving electric charge ____ produce magnetic field:- always sometime never rarely 3 / 25 Which detectors are used in GC analysis:- TCD All of the above ECD FID 4 / 25 The correct order of electron affinity or Si, P and Cl is:- Si>P>Cl Cl>Si>P P>Si>Cl Cl>P>Si 5 / 25 Group IVA consist of how many elements:- 6 3 4 5 6 / 25 How many high energy bonds are utilized during the synthesis of urea:- 3 2 4 1 7 / 25 Which of the following are used in froth Floatation process:- Pine oil Canola oil Cocunut oil Brassica oil 8 / 25 During DNA replication the synthesis of the leading strand of DNA results in the fragments known as;- Satellite segments Kornberg segments Double helix segments Okazaki fragments 9 / 25 Atmosphere of metropolitan cities is mostly polluted by:- Household waste Automobiles exhaust Pesticides residue Radio active fall out 10 / 25 Phenotype refers to the ____ of an individual:- Physical appearance Genetic makeup Shared haplotype Recessive alleles 11 / 25 Which energy is trapped by autotrophic organisms:- Mechanical energy Vibrational energy Electrical energy Radiant energy 12 / 25 Which fact is not true about covalent substance:- soluble in non polar solvent low m.p and b.p exist as discrete molecule soluble in polar solvent 13 / 25 Vitamin C is a cofactor in the enzymatic transformation of:- Lysine to desmosine aldehyde derivatives proline to hydroxyproline Glutamate to keto glutarate 14 / 25 The process involved in getting back nitrogen in to atmosphere:- All above Denitrification Ammonification Nitrification 15 / 25 Hypoxanthine and ribose are component of which of the following molecule:- Adenosine Cytidine Inosine Guanosine 16 / 25 Vitamin important for transamination reaction:- B12 B6 B1 B2 17 / 25 The titration involve oxidation reduction reaction is called:- acid base titration complex titration simplex titration redox titration 18 / 25 The elements having low ionization energy are:- Metalloids None of above Non metals Metals 19 / 25 The valence shell electronic configuration of group IIIA is:- ns2p1 ns1p2 ns2p2 ns2p3 20 / 25 Which steps are involved in the metallurgy of aluminium:- refining of aluminium purification of bauxite electrolytic reduction of alumina all above 21 / 25 Electronegativity in a period:- decrease None of these Increase remain constant 22 / 25 Proper proportioning of concrete, ensure:- all of the above Desired durability water tightnessof the structure Resistance of water 23 / 25 Metals are:- ductile malleable hard all 24 / 25 Earth is protected from UV radiations by:- CO2 layer Troposphere Ozone layer Oxygen layer 25 / 25 Barite is an ore of:- Ba K Mg Ca Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here