Everything Life Sciences Grade 10

Opening and closing of stomata: The opening and closing of the stomata is important for gaseous exchange, transpiration and the ...

Which of the numbered structures shown in B are absent in A? The image given in Figure A is of a Spiderworts leaf. they grow in ...

Cloning of plant tissues requires either a piece of the plant tissue through vegetative propagation or chemical treatment to pr ...

Which of the following is not a simple tissue? a) xylem b) parenchyma c) collenchyma d) sclerenchyma What is the key difference ...

CHAPTER^6 Support and transport systems in plants 6.1 Overview 158 6.2 Anatomy of dicotyledonous plants 158 6.3 Transpiration 16 ...

6 Support and transport systems in plants 6.1 Overview Introduction DUMMY In the previous chapter, the structure of plant and an ...

plants. Figure 6.1: Flowering plants such as the acacia tree. Figure 6.2: Gymnosperms are non-flowering plants such as pine tree ...

Figure 6.3: A comparison between monocots and dicots. endosperm cotyledon cotyledon cotyledons Monocotyledon Dicotyledon coleopt ...

produce new cells. In addition to mitosis, newly divided cells undergo elongation in the same direction of root lengthening. Fig ...

Figure 6.7: Dicotyledonous root profile showing the major tissues found in the root system which also aid in transport. The epid ...

FACT Confocal microscopy is an advanced kind of microscopy which allows us to stain various cell types or structures with differ ...

Figure 6.10: Stem showing internode and nodes plus leaf petioles. Figure 6.11: Photo of a redwood. The trunk of the tree is its ...

epidermis epidermal hair collenchyma of the cortex pith (parenchyma) cortex (parenchyma) endodermis xylem sclerenchyma of the va ...

Apparatus: scalpel or knife celery stalk (stem) carrot (root) glass slide iodine solution (Stain) or water cover slip dissectin ...

Call your teacher. Switch on the microscope making sure the lowest objective is in position (the 4x ob- jective). Place your sl ...

primary phloem secondary phloem (1st year) secondary xylem (2nd year) primary xylem cork cambium cork Figure 6.13: Process of se ...

FACT Turgidity, or turgor pressure, refers to the water content of cells and how this lends structural support to the plant. Whe ...

FACT Capillary action occurs when the adhesion of water molecules to the walls of the vessel is stronger than the cohesive force ...

the water and the wax paper. However, in this case the water-water cohesive force is stronger than the adhesive force between th ...

Figure 6.18: Transpiration vs humidity. Wind When water is lost from the leaf it forms a thin layer outside the leaf. This reduc ...