Describe the effects of the following on photosythesis in the intact leaf a)leaf properties b)light c) tempereture d)carbondioxide
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Describe the effects of the following on photosythesis in the intact leaf
a)leaf properties
b)light
c) tempereture
d)carbondioxide
Step by step
Solved in 3 steps
- (Use image provided to answer different parts) A) What do the results suggest about the part of the plant that regulates the thickness of developing leaves in response to light: a) developing leaves b) mature leaves c) whole plant B) Which treatment had leaves with the lowest surface area to volume ratios at a leaf size of 20mm: a) high apex treatmetn b) high whole treatment c) low apex treatment d) they all have same surface area to volume ratio C) Which leaf will lose water more readily under dry conditions? a) high apex b) high whole c) low apex d) they will all lose water at the same rate D) In what ways would the differences in leaf form evident between the High Whole and Low Whole treatments at the end of the experiment reflect adaptations to their different growth environments? Discuss specifically with respect to the effects of leaf form on photosynthetic rates and rates of water loss.6. 2) What is the primary function of plant leaves? * Mark only one oval. A) to support the plant B) to produce flowers C) to take in water D) to trap sunlight for photosynthesisPlants do not require oxygen to produce ATP. A) True B) False
- 7. a)Tea plants contain several chemical compounds, including tannins and caffeine. What function do both tannins and caffeine perform for tea leaves? b)By what process does water enter the root cells of a plant? c)The blade of the leaf is attached to the stem by a stoma. Is this true or false?B) Describe the mechanisms employed by two types of plants to minimize photorespiration and ensure that the CC is carried out even when environmental conditions are not in their favor. Be sure to identify 1) the type of plant, 2) its natural environment and how it affects the plant's ability to perform the CC, and 3) how it has adapted itself to minimize photorespiration. 4Answefr the following questions: a.) How many cells thick is the upper epidermis in the leaf structure? b.) Does this layer contain choloroplast? c.) Do cells of the lower epidermis contain chloroplast?
- 13-What name is given to the process that adds a third phosphate to ADP by flow of H+ ions? a) synthesis of ATP at the substrate level b) fermentation c) oxidation d) chemosomosis 16-What is wrong about plant components that allow photosynthesis? a) the xylem is the vascular tissue transporting water and minerals b) the mesophyll is the photosynthetic tissue of the leaf c) the phloem is the vascular tissue transporting water and sugars d) the stroma is the microscopic opening of a leaf 17-What is true about the clear reactions of photosynthesis? a) they take place in the stroma of the chloroplast b) the trigger for the activity of photosystems I and II is solar energy c) photosystem II is the one that reduces NADP+ to NADPH d) the reaction center consists of accessory pigments2. A) Define Phototropism. B) Contrast positive and negative phototropism, in terms of phototrophic bending. C) Create an experiment to determine which colors of light cause the most phototropic bending? Please answer in order and label them.Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise? a) The plants’ cells are unable to carry out aerobic respiration. b) The leaves are unable to manufacture enough sugar to maintain the health of the plant. c) The roots are unable to absorb enough water. d) The stems are unable to support the plant.
- The following experiment was carreid out at ILC Laboratories to measure the effect of different nutrient solutions on bean root growth. Three nutrient solutions were made: 1.) A solution containing all required nutrients 2.) A solution containing all required nutrients except nitrogen; and 3.) distilled water. The results recorded for root length and leaf colour were as follows: Solution 1.) 47 mm; deep green Solution 2.) 17 mm; pale green-yellow Solution 3.) 14 mm; pale green-yellow a.) explain how the solution ranked in relation to the other two; b.) state the evidence that supports your answer; and c.) explain why the plant grew the way it didDefine the following terms ? A.) root hair B.) root capDiscuss briefly the following types of aestivation in flowers i) Valvate ii) Twisted iii) Imbricate iv) Vexillary