The lowest water potential is found in
The lowest water potential is found in Options (a) leaves (b) xylem (c) root hair (d) phloem Correct Answer: phloemExplanation:The…
5 years ago
Transport and Nutrition in Plants
The internal factor affecting transpiration is
The internal factor affecting transpiration is Options (a) oxygen (b) nitrogen (c) carbon dioxide (d) sunken stomata Correct Answer: sunken…
5 years ago
The function of leghaemoglobin in the root nodules of legumes is
The function of leghaemoglobin in the root nodules of legumes is: Options (a) inhibition of nitrogenase activity (b) oxygen removal…
5 years ago
The factor most important in regulating transpiration is
The factor most important in regulating transpiration is Options (a) temperature (b) light (c) wind (d) relative humidity Correct Answer:…
5 years ago
The degree of opening of stomata is determined by
The degree of opening of stomata is determined by Options (a) Porometer (b) Calorimeter (c) Potometer (d) Porometer & Calorimeter…
5 years ago
The deficiency of this micro nutrient results in little leaf disease
The deficiency of this micro nutrient results in 'little leaf' disease. Options (a) copper (b) Zinc (c) boron (d) iron…
5 years ago
The deficiencies of micronutrients not only affects the growth of the plants
The deficiencies of micronutrients not only affects the growth of the plants but also its vital functions, such as photosynthetic…
5 years ago
The cellular transport method which involves use of transmembrane proteins
The cellular transport method which involves use of transmembrane proteins without energy expenditure is called Options (a) diffusion (b) facilitated…
5 years ago
Technique of growing plants without soil in nutrient solution is called
Technique of growing plants without soil in nutrient solution is called Options (a) hydroponics (b) aquaculture (c) parthenogenesis (d) tissue…
5 years ago
Stomatal movement is not affected by
Stomatal movement is not affected by Options (a) CO₂ concentration (b) O₂ concentration (c) Light (d) Temperature Correct Answer: O₂…
5 years ago