Choose the odd one out and give scientific reasons. 1. Xylem. Vessel, Tracheids, Sieve tubes other au per 2. Osmosis) Diffusion, Passive transport, Active transport 3. Xylem Sieve tube, Sieve plate, Companion cell Escsele 4. Temperature, Relative humidity, Cooling effect, Windy Except cooling effe it, all others an​