1. What is the ratio of average velocity and most probable velocity of a gas?
A. 2: πB. 2: √πC. π: 2D. π: √2
2. Which of the following characteristics is not controlled by polygene?
A. HeightB. ShapeC. Color of skinD. Intelligence
3. Considering the energy of radioactive particles or rays, which of the following is correct?
A. -Ray -Particle -Particle γ > β > αB. -Particle -Particle -Ray α > β > γC. -Ray -Particle -Particle γ > α > βD. -Particle -Particle -Ray β > α > γ
4. Which of the following is a theory of active salt absorption?
A. Lundegardth theoryB. Ion exchange theoryC. Donan equilibrium theoryD. Mass flow theory
5. The atmosphere in Ukulhas villa in the Maldives very friendly, and the to make. (Find the mistake) are (a) staff are always (b) beside (c) the best (d)
A. areB. staff are alwaysC. besideD. the best
6. It is high time you ____ up smoking.
A. giveB. gaveC. have givenD. will give