Biology

Q. An immobile element in plants is : (a) Calcium (b) Potassium (c) Phosphorus (d) Nitrogen Solution : Correct option : A Ca is a macronutrient that absorbed by the…

Q. Necrosis of tissue, particularly leaf tissue is due to deficiency of : N, K, Mg, Fe, Mn, Zn and Mo Ca, Mg, Cu and K N, K and S…

Q. Which of the following is appropriate for mass-flow hypothesis : (a) Large amount of ions are also absorbed along with the absorption of water (b) As suction pressure increases,…

Q. Chief sink of mineral elements is : Bark Ripe fruits Senescent leaves Lateral meristems Solution : Correct option : D The chief sink of minerals in the plant is…