0
What else can I help you with?
How do you make an electro magnate?
Can we make ordinary to an electro..... how can we make it....
What is this triangle 78 42?
78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.
Black and white make what color?
They make make the color GREY!!!!
How do you make 3 equilateral triangle?
It seems that if you can make 1, then you can make 3 .
Does two lefts make a right?
Three lefts make a right. Three rights make a left. (Two Wrights make an airplane.)
How do you return the meniscus to zero using a potometer?
To return the meniscus to zero in a potometer, you need to adjust the screw or knob on the leveling bulb or reservoir until the meniscus aligns with the zero mark on the scale. This ensures that the air bubble in the potometer is at the starting point for accurate measurements when taking readings for transpiration experiments.
Why do you think it is necessary to have an airtight seal in the potometer?
Having an airtight seal in the potometer is necessary to ensure that there is no air leakage into the system, which could disrupt the measurement of water uptake by the plant. An airtight seal helps maintain a constant pressure within the potometer, allowing for accurate and reliable measurements of transpiration rates.
In a potometer explain why sometimes the gas bubble is not moving?
The gas bubble in a potometer may not be moving because there is an air leak in the system allowing the gas to escape. This can disrupt the water flow and prevent the bubble from moving. Check for any leaks in the tubing or connections and ensure they are airtight for proper functioning of the potometer.
How can the sensitivity of a potometer be improved?
The sensitivity of a potometer can be improved by using a narrower capillary tube or a more precise scale for measuring the movement of the air bubble. Additionally, ensuring a consistent water supply and minimizing external factors that can affect the movement of the air bubble can also improve sensitivity.
Why is it necessary to seal the joint between the stem and the potometer with the vaseline?
Sealing the joint with Vaseline helps prevent air leaks, ensuring accurate measurement of transpiration rates. It helps maintain a closed system, allowing for the proper observation and measurement of water uptake by the plant.
Why the rate of water movement in an intact shoot is less than that measured in the potometer?
The rate of water movement in an intact shoot is naturally slower due to resistance within the plant tissues. In a potometer, the water movement is more rapid because it bypasses the resistance of the plant and only encounters the resistance of the tubing used in the experiment. Additionally, in the potometer, conditions can be controlled to minimize factors that may impede water movement, leading to a higher observed rate.
Why is it necessary to cut the leafy shoot and fit it into the potometer under water?
To minimise the contact between the air and the cut end of the leafy shoot
How do you set up a simple volume potometer?
The whole apparatus is placed in a sink of water and any air in the tubing removed. Then a shoot is taken from a plant and the end of the stem cut an angle to make it easier to push it into te rubber tubing.This is done under water to stop air entering the tube. Then the apparatus is now removed from the sink and vaseline is used to seal any joins.
Why does the potometer not measure transpiration accurately?
Because not all of the water that is taken by the plant is used for transpiration. Some of the water taken might be used for photosynthesis or by the cells to maintain turgidity. The potometer measures the rate of uptake of water. To measure transpiration rate directly, rather than the rate of water uptake, utilize a scientific instrument which quantifies water transfer at the leaves.
What instrument measures moisture in soil?
TensiometersProtimeter products and instruments for measuring moisture and temperature in materials and the environment. Such instruments are used for wood, civil engineering and agriculture or any area where the presence of moisture is to be detected
Why does water in the potometer tubing move into the shoot?
Water moves from the potometer tubing into the shoot due to transpiration, where water evaporates from the stomata in the leaves, creating a negative pressure that pulls water up through the plant. This process is a crucial part of the plant's ability to transport water and nutrients from the roots to the rest of the plant.
How fast did the bubble in the potometer move without fan?
The speed of the bubble in a potometer without a fan can vary based on factors such as the type of plant, environmental conditions, and the water uptake rate. Typically, the bubble moves at a rate reflecting the plant's transpiration rate, which can range from a few millimeters to several centimeters per hour. To determine the exact speed, one would need to measure the distance the bubble travels over a specific time period.
