Micronutrients are needed in amounts equivalent to
Micronutrients are needed in amounts equivalent to
Options
(a) 8 m mole/ kg of dry matter (b) 18 m mole/ kg of dry water (c) 25 m mole/ kg of dry water (d) […]
Transport and Nutrition in Plants
Long distance transport of organic and inorganic substances in plants occurs
Long distance transport of organic and inorganic substances in plants occurs through
Options
(a) simple permanent tissues (b) epithelial tissues (c) meristematic tissues (d) complex permanent tissues
Correct Answer:
complex permanent tissues
Explanation: […]
Living cells placed in isotonic solution 09 saline retain their size and shape
Living cells placed in isotonic solution (0.9% saline) retain their size and shape. This is based on the concept of
Options
(a) Osmosis (b) Diffusion (c) facilitated diffusion (d) transpiration
Correct Answer:
Osmosis
In which one of the following expenditure of energy is required
In which one of the following expenditure of energy is required?
Options
(a) Osmosis (b) Diffusion (c) Active transport (d) Passive transport
Correct Answer:
Active transport
Explanation:
No explanation available. Be the first […]
In which of the following plant type is osmotic pressure the highest
In which of the following plant type is osmotic pressure the highest?
Options
(a) Mesophytes (b) Xerophytes (c) Halophytes (d) Hydrophytes
Correct Answer:
Halophytes
Explanation:
Halophytes or plants in saline soil shows maximum […]
In which of the following forms is iron absorbed by plants
In which of the following forms is iron absorbed by plants?
Options
(a) Both ferric and ferrous (b) Free element (c) Ferrous (d) Ferric
Correct Answer:
Ferric
Explanation:
Iron is absorbed by plants […]
In the process of osmosis the volume of solvent
In the process of osmosis, the volume of solvent
Options
(a) remains the same (b) increases (c) decreases (d) either increases or decreases
Correct Answer:
decreases
Explanation:
Osmosis is a special type of diffusion […]
In the cell walls of the guard cells cellulose microfibrils are oriented
In the cell walls of the guard cells, cellulose microfibrils are oriented
Options
(a) radially (b) transversely (c) tangentially (d) obliquely
Correct Answer:
radially
Explanation:
The radial arrangement of cellulose microfibrils (radial micellation) in […]
In plants water supply is due to
In plants, water supply is due to
Options
(a) osmosis (b) imbibition (c) guttation (d) adhesion force
Correct Answer:
osmosis
Explanation:
Root hairs function as tiny osmotic systems. Each root hair has a thin […]
In higher plants continuity of cytoplasm from one cell to its neighbouring
In higher plants, continuity of cytoplasm from one cell to its neighbouring cells is established through
Options
(a) apoplast (b) chloroplast (c) leucoplast (d) symplast
Correct Answer:
symplast
Explanation:
No explanation available. Be the […]