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To show the presence of nodules of nitrogen-fixing bacteria on the roots of legumes
Carefully spade up some leguminous plant like as clover, alfalfa, soy-beans, cow peas, etc. Take out the soil from the roots by washing with water. Observe the little white bumps or nodules on the roots. Nitrogen-fixing bacteria are inside these nodules. These bacteria take out nitrogen from the air and fix it in a form that enables plants to get it from the soil.
How the lungs work Cut the bottom off a large bottle. Fit a cork to the neck with a Y tube in it. On every of the lower limbs of the Y tie a rubber balloon or a number of small
describe the differences between GDP and GDP per capita
Interpersonal Relations Mr. X relates easily to others and describes himself in positive terms (Ho=38). He believes that others can be trusted and that they have his best int
During which equinoxes are day and night of equal length around the world: Autumnal And Vernal Equinoxes
what are 5 different types of asexual reproduction?
Define Haemorrhagic or Blood Loss Anaemia The body replaces plasma within 1-3 days after a haemorrhage, but this leaves a low concentration of red blood cells. In chronic bloo
What are covalent bonds? Covalent bonds are those in which electrons are shared by the atoms, and this sharing results in an attraction between the atoms to form a molecule. A
how much bones are in human body?
Explain Rh Blood Grouping System Some individuals also have a so called Rh antigen on the surface of their RBCs. Those who have it are called Rh (+) and those who do not have i
To show the differences in soil particles Secure some glass jars that hold about half Gallon or two litres of water. Place various handfuls of soil in a jar. Fill the jar with
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