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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.
What is the functionality of Lungs in human biology? The right lung consists of three lobes, and the left lung, two lobes. Both lungs hold between 5 to 6 L of gas, called the t
Explain Transport proteins in plasma Transport proteins, embedded in lipid membranes, facilitate the import of nutrients into cells or the release of toxic products into the
Define the word colloid The word colloid, you may be interested to know, is derived from the Greek word "kolla" meaning "glue" and is defined as a system containing particles o
cellular respiration
Explain about the Ocular Haemodynamics. The pressure in the ocular arteries can be measured by optical ophthalmodynamometer. The intraocular pressure is raised to the level tha
Inter-relationships of Classification The aim of classification is to put together organisms on the basis of their similarities. But the question is what type of similarities?
definition of dietary factors. or what are dietary factors?
Apiculture : This is the study of bee-keeping for obtaining wax and honey. Beekeeping is also known as apiculture, it is taken from Latin apis, bee. Apiculture is the maintenance
Q. How do arthropods grow? Due to the presence of exoskeleton the growth of an arthropod is periodical during the growth period the animal loses the exoskeleton, develops and g
Describe what is Respiration in Dynamic Auscultation ? a) S 2 : Splitting of S 1 is audible during inspiration. b) Diastolic sounds and Ejection sounds: Inspiration augment
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