0.
Which is percolation rate? Write its formula.
1. What are the end products of anaerobic respiration in yeast?
8. Why is the colour of blood red?
9. What is the function of xylem?
10.Which instrument is used to measure the heart beat ?
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Answers
Answer:
0. The rate, expressed as either velocity or volume, at which water percolates through a porous medium. Formula- (ml/min) = amount of water (ml) / percolation time (min).
1.In anaerobic respiration yeast breaks down glucose, forming ethanol and carbon dioxide as its waste products. When the glucose is nearly used up, and provided that oxygen is present, yeast uses the ethanol as a respiratory substrate to produce carbon dioxide and water in aerobic respiration.
8.Because of the hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream. Heme contains an iron atom which binds to oxygen; it's this molecule that transports oxygen from your lungs to other parts of the body.
9.Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.
10.stethoscope