Passage of materials to and from the cells is carried out by…… and active transport. Fill in the blanks with a suitable option given below
Options
(a) facilitated diffusion (b) osmosis (c) passive […]
Passage cells helps in
Options
(a) transport of water towards pericycle (b) transport of water towards epiblema (c) absorption of water from soil (d) passage of CO₂ towards stomata
Correct Answer:
transport of […]
Osmosis involves
Options
(a) flow of water through a semi permeable membrane (b) flow of water without a membrane (c) flow of solute through a semi permeable membrane (d) flow of solute without […]
One mineral activates the enzyme catalase and the other is a constituent of the ring structure of chlorophyll. These minerals are respectively
Options
(a) iron and magnesium (b) iron ans manganese (c) magnesium […]
Nitrogen is absorbed by plants in form of
Options
(a) NO⁻₃ (b) NH₃ (c) NO⁻₂ (d) both NO⁻₃ and NO⁻₂
Correct Answer:
both NO⁻₃ and NO⁻₂
Explanation:
No explanation available. Be the first […]
Necrosis, or death of tissue particularly leaf tissue, is due to the deficiency of
Options
(a) N,K,S (b) N,K,Mg and Fe (c) Mn,Zn and Mo (d) Ca,Mg, Cu and K
Correct Answer:
Ca,Mg, […]
Na⁺/K⁺ pumb is associated with
Options
(a) passive transport (b) active transport (c) osmosis (d) imbibition
Correct Answer:
active transport
Explanation:
No explanation available. Be the first to write the explanation for this […]
Movements of molecules of gases, liquids and solutes from a region of higher concentration to a region of lower concentration is termed as
Options
(a) evaporation (b) osmosis (c) transpiration (d) diffusion
Correct […]
Minerals known to be required in large amounts for plant growth include:
Options
(a) calcium, magnesium, manganese, copper (b) potassium, phosphorus, selenium, boron (c) magnesium, sulphur, iron, zinc (d) phosphorus, potassium, sulphur, calcium
Mineral salts are absorbed by the roots from soil in the form of
Options
(a) very concentrated solution (b) concentrated solution (c) dilute solution (d) dilute suspension
Correct Answer:
dilute solution
Explanation:
Soil […]
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