Absorption by roots
Quiz by Feba Alex
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30 questions
Show answers
- Q1What is the primary process by which roots absorb water from the soil?OsmosisDiffusionActive transportTranspiration30s
- Q2What structure in plant roots increases the surface area for absorption?XylemPhloemCortexRoot hairs30s
- Q3Which of the following minerals is most commonly absorbed by plant roots?NitrogenOxygenCarbonHydrogen30s
- Q4What is the primary purpose of root cap in plant roots?Protection of the root tipWater absorptionNutrient storagePhotosynthesis30s
- Q5What is the role of mycorrhizal fungi in relation to plant roots?Storing waterEnhancing nutrient uptakeDecomposing organic matterProducing energy30s
- Q6Which process allows for the selective absorption of minerals against their concentration gradient in roots?Active transportOsmosisBulk flowFacilitated diffusion30s
- Q7What is the significance of the Casparian strip in plant roots?Regulating water and nutrient uptakePhotosynthesisStoring carbohydratesProducing hormones30s
- Q8Which part of the root is primarily responsible for water absorption?EpidermisCortexEndodermisVascular tissue30s
- Q9What type of root system is characterized by many thin roots that spread out widely?Lateral root systemTaproot systemAdventitious root systemFibrous root system30s
- Q10What role do guard cells play in the absorption process in plants?PhotosynthesisRegulating stomatal openingsMineral transportWater storage30s
- Q11Which process allows water to move from the soil into plant roots primarily by concentration gradients?OsmosisDiffusionActive TransportTranspiration30s
- Q12What is the condition of a plant cell when it has lost water and has a decreased turgor pressure?FlaccidityOsmosisTurgidityDiffusion30s
- Q13What state do plant cells experience when they are filled with water and have high turgor pressure?DeflationTurgidityErosionFlaccidity30s
- Q14Which of the following processes is specifically involved in the movement of water across a semipermeable membrane?DiffusionOsmosisActive TransportFacilitated Diffusion30s
- Q15What term describes the process that uses energy to transport molecules against their concentration gradient in plant roots?DiffusionFacilitated DiffusionPassive TransportActive Transport30s