Class X

Number of people who have disease at any one time is refer to as
  1. Incidence
  2. Coincidence
  3. Transmission cycle
  4. Prevalence
An Isomer refers to
  1. Two forms of same chemicals
  2. Same molecule switching two forms
  3. Both A and B
  4. None of above
Location of Basal membranes are
  1. Nearest to blood
  2. Furthest from lumen
  3. Both A and B
  4. None of above
From photosynthesizing leaves, sugar is transported to phloem cells to be carried around plant through
  1. Diffusion
  2. Active Transport
  3. Partial osmosis
  4. Differential osmosis
Each Adenosine Triphosphate (ATP) molecule is used for ,
  1. Two sodium ions are pumped out of cell
  2. Three sodium ions are pumped out of cell
  3. Two sodium ions are pumped into cell
  4. Three sodium ions are pumped into cell
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