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Stems transport liquids
(a) Cut about 2 cm from the end of stems of celery and place them in cold water for about an hour to freshen. Next place the stems in dishes having red ink and let them stand for various hours. Observe the Stalks carefully. Cut them up into various Short lengths and observe where the ink has moved upward in the stem. Try to pull some of the tubes out of the celery stems.
(b) Cut about 2 cm from the end of the flower stalks of white carnations. The cutting Should be done with a sharp knife and under water. Place the stems with flowers in glasses having different shades of food colouring or coloured ink. Observe after various hours.
From which floral structure do fruits come? Fruits are customized ovaries of the flowers.
Light Stratification - Lake Ecosystem The penetration of light in water bodies is limited depending on the transparency of water and its ability to absorb light. On the basis
Explain The ECG and cheast X- Ray? The ECG and Chest X-ray: If there is a suspicion of heart disease on basis of the history or physical examination an ECG and a chest X-ray
1. In modern blimps, the gas of choice used to inflate them is helium rather than hydrogen. Hydrogen would be lighter, but helium is safer. Compare and contrast the atomic structur
What is folic acid? Why is the anemia caused by deficiency of folic acid known as megaloblastic anemia? The folic acid (when ionized it is known as folate) is a coenzyme that
Extra-Embryonic Membranes and Placenta The extra embryonic membranes like you already know provide nourishment and protection. These membranes are fundamentally similar to th
What is Plastids? The most obvious difference between plant cells and other eukaryotic cells is that cells of most plants contain unique organelles called plastids, which inclu
Define the patient care related to neurological disorder? A few additional points related to the patient care that need to be kept in mind include paying attention to the patie
What is the vascular cambium? What is its function? Vascular cambium is the secondary meristematic tissue that in roots and in the stem creates the vascular tissues (xylem and
Computed Tomograpy Scan Developments in cross-sectional imaging techniques such as spiral tomography and reformatted computerized tomograms have become increasingly popular in
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