Content text Institute of Forestry, IOF, TU BSc Forestry Question Paper 2072.pdf
BSc Forestry, IOF, TU Question Paper available in Help For Entrance App & Website 14. A charge moves in a circle perpendicular to a magnetic field. The time period of revolution is independent of a. magnetic field b. charge c. mass of the particle d. velocity of the particle 15. On four different days, the temperature is same, a man feels hottest when the relative humidity is a. 99 % b. 50 % c. 30 % d. 10 % 16. A wire of resistance 16 Ω is bent into circular form the equivalent resistance between two points of any diameter is a. 8 Ω b. 32 Ω c. 16 Ω d. 4 Ω 17. The ratio of the de-Broglie wavelength of proton and ∝ - particle of same energy is equal to a. 2:1 b. 1 :2 c. 4:1 d. 1:4 18. When a proton is accelerated through a potential difference of 1 V, then it's K. E. is a. 2 eV b. 1840 c2 eV c. 1840 cV d. 1 eV 19. The time period of an earth satellite in circular orbit is independent of the radius of the satellite. a. the mass of the satellite b. radius of orbit c. none of them d. both of them 20. A battery of emf 12 V is connected parallel with a voltameter. The voltameter reads 11 V. This s because of the a. Small internal resistance of battery b. High internal resistance of battery c. internal resistance of battery equal to resistance of voltmeter d. none of the above Botany 21. 80S ribosome is formed by the union of a. 40S + 40S