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- Figure 30.34 Which of the following statements is false? Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the xylem. Transpiration draws water from the leaf. Negative water potential draws water into the root hairs. Cohesion and adhesion draw water up the phloem. Transpiration draws water from the leaf. Water potential decreases from the roots to the top of the plant. Water enters the plants through root hairs and exits through stoma.Engineers have designed a smaller version of such a container that can be used to seal off a small part of the plant. One version of this device, called a leaf chamber, is shown below. When a scientist uses this device on a plant, they don’t need to break the leaves off the branch or stem they are attached to. The leaf chamber makes an airtight seal around the stem or branch even though it is sticking out of the chamber. Using this device, scientists detected the most change in O2 and CO2 levels inside the chamber when a leaf is in the chamber. They only detected a small change in O2 and CO2 levels in the chamber when a green stem was placed in the chamber. No change was detected when a root or a brown stem was placed in the chamber. Why do you think a scientist would prefer not to remove the leaves from a tree or a plant in order to take these sorts of measurements?Which of the following is NOT a function of the stem in a plant? ANSWER CHOICES ARE IN THE PHOTO. thanks.
- What is the conclusion of the Experiment on Absoprtion of Water by Roots? A. Cup 1 - with half water and the lid is tightly close to ensure the evaporation of water. B. Cup 2 - with half water and few drops of oil while the plant sample's roots are immersed. C. Cup 3 - with half water and drops of ink while another plant sample's roots are immersed. D. Cup 4 - with plant sample but the roots do not reach the water.Which of the following is NOT a function or characteristic of most leaves? Question 2 options: Designed to minimize water loss. Where photosynthesis usually occurs in plants. Designed to minimize light absorption. Designed to maximize light absorption.Label A, B, C and D as the following: -Xylem -Cortex -Phloem -Pith
- A botanist has been examining three plants, measuring the amount of acid in their cells and examining sections of their leaves under the microscope. Numbers in the table are in relative units. Plant Acid, day Acid, night Has wreath anatomy? FADH2 Ethanol A 20 250 No 0 50 B 10 10 No 100 1 C 200 10 Yes 100 1 For part A, they want to know which plant is a C3, C4, or CAM plant. Then, use this info to identify which plant is from Florida, Minnesota, or the desert.Plant fertilizer consists of numerous different solutes (usually salts). A small dose of fertilizer can enhance plant growth, but overfertilization can kill the plant. Why might overfertilization have this effect?The example of the plant in which vegetative propagation is occured by leaves is called 1. Cannabis 2. Chrysanthemum 3. Bryophyllum 4. Brassica
- If a gardener picked a fertilizer with the following numbers on the package: 6-6-24, what would you assume they were growing? Question 34 options: Fungus. Pine Trees. Fruit. Flowers.Which of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. RootsWhich of the following plants requires light hours above than critical photoperiod for flowering? a.Henbane b.Tobacco c.Pepper d.Cucurbit
