Plant Nutrition IG1A
Quiz by edkasa chemistry
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16 questions
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- Q1Which of these is the correctly balanced equation for photosynthesis?6CO2 + 6H2O → C6H12O6 + 6O2CO2 + H2O → CH2O + O2C6H12O6 + 6O2 → 6CO2 + 6H2O120s
- Q2Which mineral ions are needed for chlorophyll in plants?CalciumMagnesiumCopper120s
- Q3Why do plants need nitrate ions?For making amino acidsFor denitrification as part of the nitrogen cycleTo regulate the opening and closing of the stomata120s
- Q4n a greenhouse, tomato plants grow faster if the temperature is increased. What does this show?Light intensity must be a limiting factorTemperature must be a limiting factorCarbon dioxide concentration must be a limiting factor120s
- Q5In an investigation into photosynthesis in a water plant, why are the number of bubbles of gas it produces counted?To see how fast the plant produced starchTo see how fast the plant produced oxygenTo see how fast the plant used up carbon dioxide120s
- Q6Which tissue in the leaf absorbs the most light for photosynthesis?Spongy mesophyllUpper epidermisPalisade mesophyll120s
- Q7Which tissue in the leaf is adapted for efficient gas exchange?Upper epidermisPalisade mesophyllSpongy mesophyll120s
- Q8Why do leaves have a waxy cuticle?To protect the leaf without blocking out lightTo keep oxygen in the leafTo allow water vapour to diffuse out of the leaf120s
- Q9Which tissue transports water and minerals from the root to the leaves?XylemVeinsPhloem120s
- Q10Which useful energy transfer or conversion happens overall in photosynthesis?Light → heatLight → chemicalChemical → light120s
- Q11Something present in the environment in such short supply that it restricts life processeslimiting factorsrole of chlorophyllphotosynthesis120s
- Q12Describe the effect of temperature on the rate of photosynthesisUsers enter free textType an Answer300s
- Q13Explain how two features of leaves, are adaptations for efficient photosynthesis.Users enter free textType an Answer300s
- Q14Name two substances that are translocated from a source to a sink.Users enter free textType an Answer300s
- Q15What are the deficiencies of magnesium in plant?Users enter free textType an Answer300s