What is the function of Palisade tissue?

Below the upper epidermis is the palisade layer. This is one or a few layers of cylindrical cells that contain many chloroplasts. Chloroplasts are an important part of plant cells because they are cell structures that allow for photosynthesis.
A.

How does the palisade cell adapted to its function?

The palisade cells are the main site of photosynthesis, as they have many more chloroplasts than spongy mesophylls, and also have several adaptions to maximise photosynthetic efficiency; Large Vacuole - Restricts chloroplasts to a layer near the outside of the cell where they can be reached by light more easily.
  • What is the adaptation of stomata?

    Adaptions - Higher tier. Transpiration and water loss from leaves happen because of the way that leaves are adapted for efficient photosynthesis. The flat, thin shape of a leaf, its spongy mesophyll layer and stomata are adaptations that also allow water loss from the leaf.
  • What does the palisade layer do in a leaf?

    The cuticle and upper epidermis provide protection for the plant. Below that is the palisade layer, which is the location of photosynthesis within the leaf. Below the palisade layer is the spongy layer, which contains cells that are more spread out, allowing for air pockets.
  • Which plant organ absorbs water?

    Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. The absorbed water is transported through the roots to the rest of the plant where it's used for different purposes: It's a reactant used in photosynthesis.
B.

Why is it good for a leaf to be thin?

Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close. They regulate carbon dioxide, oxygen, and water vapour exchange with the atmosphere.
  • Which plant organ absorbs water?

    Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. The absorbed water is transported through the roots to the rest of the plant where it's used for different purposes: It's a reactant used in photosynthesis.
  • How does chlorophyll aid in photosynthesis?

    Green substance in producers that traps light energy from the sun, which is then used to combine carbon dioxide and water into sugars in the process of photosynthesis Chlorophyll is vital for photosynthesis, which helps plants get energy from light.
  • What is the function of the guard cells in a leaf?

    Guard cells are cells surrounding each stoma. They help to regulate the rate of transpiration by opening and closing the stomata. To understand how they function, study the following figures.

Updated: 2nd October 2019

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