Content text Institute of Forestry, IOF, TU BSc Forestry Question Paper 2071.pdf
BSc Forestry, IOF, TU Question Paper available in Help For Entrance App & Website Tribhuvan University Institute of Forestry (IOF) B.Sc. Forestry Entrance Examination 2071 Full Marks: 100 Time: 2 hours Cross the box of the correct answer of the multiple choice questions on the answer sheet attached at the last. Candidates are required to attempt all the questions. Chemistry 1. A gas will approach ideal behavior at : a. Low temperature and low pressure b. Low temperature and high pressure c. High temperature and low pressure d. High temperature and high pressure 2. During electrolysis fused NaCl which reaction will take at anode a. Na+ ions are oxidized b. Cl- ions are oxidized c. Na+ ions are reduced d. Cl- ions are reduced 3. The brown gas formed when nitric acid is reduced by metal is a. NO2 b. N2O3 c. N2O d. NO 4. 2 - acetoxybenzoic acid is a. Antiseptic b. Aspirin c. Antibiotic d. Mordant dye 5. Bleaching action of bleaching powder is due to: a. Oxidation b. Reduction c. Dehydrogenation d. Substitution 6. Which of the following don't respond to Lassaigne's test? a. Urea
BSc Forestry, IOF, TU Question Paper available in Help For Entrance App & Website b. Hydrazine c. Methyl alcohol d. Nitrobenzene 7. Alcohol poisoning occurs due to the presence of which of the following in ethanol a. Carbolic acid b. Ethyl alcohol c. Methyl alcohol d. Impurities ( HCN+ HCOOH ) 8. Which pair will show common ion effect? a. BaCl2 + Ba(NO3)2 b. NaCl + HCl c. NH4OH + NH4Cl d. AgCN + KCN 9. The standard electrode potentials of Ag+ (aq) / Ag(s) and Zn2+ (aq.) / Zn (s) are + 0. 80 v and - 0.76 v respectively which of the following conclusions can be drawn from these data? a. Zinc has greater tendency than silver to form positively charged agent b. Silver displaces zinc from a solution containing zinc c. Silver is an oxidizing agent d. Zinc ions can act as reducing agent 10. Among the following groups of oxides, the group containing oxides that can be reduced by carbon to give the respective metal is a. Cu2O.K2O b. CaO.K2O c. Fe2O5 d. PbO.Fe3O4 Physics 11. A bomb of 12 kg explodes into two pieces of masses of 4 kg and 8 kg the velocity of 8 kg mass is 6 m/s, the KE of other mass is: a. 48 J b. 32J c. 24J d. 288 J 12. The ratio of rms speed of H2 molecules to that O2 molecules at a given temperature will be a. 1:4 b. 4:1 c. 1:16 d. 16:1 13. The phenomenon of beats can take place for a. Longitudinal waves b. Transverse waves c. Both longitudinal and transverse wave