Q. Passage cells helps : Transport of water towards pericycle. Transport of water towards epiblema. Absorption of water from soil. Passage of CO2 towards stomata. Solution : Correct option : A Passage…
Q. Which one gives the most valid and recent explanation for stomatal movements? (a) Guard cell photosynthesis (b) Transpiration (c) Potassium influx and efflux (d) Starch hydrolysis Solution : Correct…
Q. Osmotic expansion of a cell kept in water is chiefly regulated by : (a) Vacuoles (b) Plastids (c) Ribosomes (d) Mitochondria Solution : Correct option : A The vacuole…
Q. Which condition favours guttation? High humidity Low humidity More transpiration Bright sunlight Solution : Correct option : A Guttation is the phenomenon of the release of small water droplets…