Question 2341 Lenticels look like? A) A big pore B) Stoma C) Sponge D) Cars or small protusions No Details
Question 2342 Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are? A) Hydathods B) Stomata C) Lenticels D) None of these No Details
Question 2343 Lenticular transpiration is _________ of total transpiration? A) 2-3% B) 1-3% C) 1-4% D) 1-2% No Details
Question 2344 All plants do not possess? A) Lenticels B) Cuticle C) Stomata D) All of these No Details
Question 2345 Cuticular transpiration is ______ of total transpiration? A) 6-8% B) 5-7% C) 7-9% D) 4-6% No Details
Question 2346 Exceptionally the positive hydrostatic pressure generated by root pressure is about? A) 600 Kpa B) 800 Kpa C) 1000 Kpa D) 900 Kpa No Details
Question 2347 Commonly in other plants than tall ones the speed of upward movement of water is? A) 8mh-1 B) 1 mh-1 C) 7 mh-1 D) 4 mh-1 No Details
Question 2348 ____ component of cell wall has grreat affinity with water? A) Lignin B) Cellulose C) Pectin D) All of these No Details
Question 2350 _______ potential is the measure of the change in water potential of a system due to the presence of solute molecules? A) Osmotic B) Pressure C) Both of these D) None of these No Details