MHT-CET Plant Water Relations — practice questions
24 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice MHT-CET Plant Water Relations in the app →The form of soil water that is **available** to plants for absorption is:**Imbibition** is the process of:**Osmosis** is the movement of:**Water potential ($\psi$)** of pure water is:**Transpiration** is the loss of water from the plant in the form of:**Guttation** is:**Stomatal transpiration** accounts for what fraction of total transpiration?The translocation of water and minerals **upward** from roots to leaves is called:**Macronutrients** (required in large quantities) for plants include:**Diffusion Pressure Deficit (DPD)** of a fully turgid plant cell is:The **apoplast pathway** of water movement in roots is:**Cohesion–tension theory** (Dixon and Joly, 1894) is the currently accepted explanation for ascent of sap. Th**Root pressure** can account for ascent of sap up to approximately:In a plant cell at flaccid state (TP = 0), the relationship between OP and DPD is:When a plant cell is placed in **isotonic** solution:**Active absorption** of water by roots involves:The **major channel** for translocation of food (sucrose) in plants is:The **pressure-flow hypothesis** (Münch, for phloem transport) proposes that:**Aquaporins** are:If a plant cell has OP = 12 atm and TP = 4 atm, its **DPD** is:Why does **rate of transpiration increase** with rising temperature, low humidity, and wind?**Symplast pathway** of water movement involves:Which plant has **epistomatic** leaves (stomata only on upper surface)?Loss of water as **vapour** (transpiration) is highest in which type of tissue/structure on a typical dicot le