Ethylene is a
Ethylene is a Options (a) Gaseous hormone (b) Gaseous enzyme (c) Liquid-gas mixture (d) Solid hormone Correct Answer: Gaseous hormoneExplanation:Ethylene…
Ethylene is a Options (a) Gaseous hormone (b) Gaseous enzyme (c) Liquid-gas mixture (d) Solid hormone Correct Answer: Gaseous hormoneExplanation:Ethylene…
Which plants exhibits Kranz anatomy? Options (a) C₅ plants (b) C₃ plants (c) C₂ plants (d) C₄ plants Correct Answer:…
The plant hormone controlling fruit ripening is Options (a) ethylene (b) kinetin (c) I.A.A. (d) GA Correct Answer: ethyleneExplanation:Ethylene (gaseous…
The organelles involved with photorespiration are Options (a) peroxisomes (b) ribosome (c) nucleus (d) plastids Correct Answer: peroxisomesExplanation:Photorespiration is the…
Ballon like outergrowth of parenchyma, into the lumen of vessels is known as Options (a) tunica (b) tyloses (c) phellogen…
Heat of formation of H₂O(g) at 25⁰C is -243 kJ,ΔE for the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) at…
For an endothermic reaction the value of ΔS is positive.The reaction is Options (a) feasible when ΔH > TΔS (b)…
Which of the following possible isomers of butanol has a chiral centre Options (a) CH₃CHOHCH₂CH₃ (b) (CH₃)₂CH.CH₂OH (c) (CH₃)₃C.OH (d)…
A liquid is in equilibrium with its vapour at its boiling point.The molecules in the two phases have equal Options…
In flowering plants, a mature male gametophyte is derived from a pollen mother cell by Options (a) two mitotic divisions…