Reduction of leaf area - Study guides, Class notes & Summaries

AQA A LEVEL BIOLOGY Paper 1 2024 What is the function of the cell membrane? - ANS To control what enters and leaves the cell, acts as a barrier between the cell and its environment. What structural feature of the cell membrane allows substances to enter/leave? - ANS Partially permeable What is the fluid mosaic model? - ANS States that a membrane is a fluid structure (because phospholipids are constantly moving) with a "mosaic" of various proteins embedded in it Describe the...

AQA A-Level Biology Paper 1 Latest Update A scientist found that leaf-chewers and xylem-sap-feeders had a greater effect on plant growth than phloem-sap-feeders (greater reduction in leaf area). Other than environmental factors, give two features the scientist would have controlled in his experiment to ensure this conclusion was valid. [2 marks] - ANSWER-1. Number/mass/density of insects per plant; 2. Stage of development/size of plants/insects; A student concluded from a graph of the data i...

Green River College: BIOL 100 Unit 3 Notes Latest Updated Chapter 6: Energy for life Learning Objectives: 1. Identify the cellular structure where photosynthesis occurs and describe its function. 2. State the overall chemical equation for photosynthesis. 3. Recognize what is meant by the terms reduction and oxidation. 4. Describe the function of photosynthetic pigments. 5. Explain the flow of electrons in the light reactions. 6. Explain how ATP and NADPH are generated in the light reac...

Acidic Soil - A soil with pH value of less than 7.0 Active Ingredient - the portion of the pesticide formulation that is effective against the target Adjuvant - A chemical added to a pesticide formulation or mixture to modify the physical properties or enhance performance Aesthetic Injury - damage caused to the appearance of the plant Agitation - the continuous mixing of the pesticide and the carrier in the spray tank Alkaline Soil - A soil with a pH value greater than 7.0 Alte...

absorbtion the movement of a chemical into plants, animals, including humans, microorganisms, or soil Acaricide pesticide used to control mites, ticks, miticide is a type of acaricide Acetylcholine primary chem responsible for transmission of nerve stimuli across the synapse of 2 neurons or to the muscle activated charcoal charcoal which when finely ground absorbs liquids and gasses activator an adjuvent added to a pesticide to increase its toxicity active...

Acidic Soil Correct Answer A soil with ph value of less than 7.0 Active Ingredient Correct Answer the portion of the pesticide formulation that is effective against the target Adjuvant Correct Answer A chemical added to a pesticide formulation or mixture to modify the physical properties or enhance performance Aesthetic Injury Correct Answer damage caused to the appearance of the plant Agitation Correct Answer the continuous mixing of the pesticide and the carrier in the spray tank ...

IPM correct answers Integrated Pest Management; Goals are provide economical pest control/protect the environment Not The Goal Of IPM correct answers Elimination of all pests Economic threshold/action threshold correct answers Number of pests per plant of amount of damage to plant at which control measures should begin economic injury level correct answers breakeven point which the cost of pest control equals the revenue loss caused by pest aesthetic injury level correct answers number of...

ISA Arborist Certification Practice Exams Part 1| 200 Questions and Answers 100% CorrectISA Arborist Certification Practice Exams Part 1| 200 Questions and Answers 100% CorrectISA Arborist Certification Practice Exams Part 1| 200 Questions and Answers 100% Correct The ideal soil ratio for solids to pore space is: (A) 20:80 (B) 35:65 (C) 40:60 (D) 50:50 - ANSWER-D What is the correct scientific name for the oak tree genus? (A) Quercus (B) Pyrus (C) Larix (D) Acer - ANSWER-A Which of the ...

Az ROC Trade Exam B-3 License Correctly Solved Already Passed A+ Nails used for installing Hardboard panel siding vertically must accommodate the sheathing and penetrate the framing a minimum of how much? *ANS* 1-1/2 inches When framing openings in floors with a header and trimmer joists, what maximum header joist span is allowed with a single member header? *ANS* 4 feet Above the handrail and below the head, what is the minimum clear opening on a stairwell? *ANS* 36 inches When inst...

ISA Arborist Chapter 8: Pruning State Exam Guide Q&A Latest Because pruning removes leaves and reduces the overall photosynthetic capacity of a tree, it also reduces _______. - CORRECT ANSWER-growth Name five common reasons for removing limbs from trees. - CORRECT ANSWERdead diseased hazardous crossing thinning for light or air penetration weight reduction size reduction obstructing signs, views, clearance, etc. To maximize flowering, plants that bloom on current season's wood sh...