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Making leaf collections
Collect young leaves of as many varieties of plants as possible. Place various layers of news- paper or blotting paper on a firm, smooth board. Next organize the leaves so they do not touch. Cover the leaves with other layers of newspaper or blotting paper. Place another board on top and then place various heavy stones or weights on the board. Keep the leaves in the press until they are thoroughly dried. When the leaves are removed from the press they may be neatly in order on note book pages and secured either with Scotch tape or small sections of gummed labels. The name of the leaf and any other exciting material can be recorded on the note book page.
Q. Explain Use of Toxic amino acids? Lathyrus sativus (kesari dhal) seeds contain toxic amino acid beta-oxalyl aminoalanine (BOAA), is considered to be responsible
Biodiversity maintains the air we breathe and the water we drink. Green plants purify our air and our water by taking in carbon dioxide, regulating water vapour, releasing oxygen,
what is appendages in reptilia
Duck virus hepatitis This highly contagious disease of ducks is caused by a member virus belonging to genus Enterovirus of the family Picornaviridae. It mostly affects duckling
Ornithophily - Cross-pollination In tropical areas, the birds dominate over insects as important pollinators. The most common among them are humming-birds, sun-birds and honey
Q. Describe Palynological Evidence? Palynology is the study of pollen and spores. The taxonomic characters of pollen grains include wall structure, polarity, symmetry, shape an
Types of xerophytes On the basis of their mbrphology, physiology and life cycle pattern, xerophytes are generally classified into the following three categories: a) Ephem
Cilia and flagella share a common structure, with a microtubular core which has a 9+2 organization with nine paired doublets of microtubules surrounding a central pair to form the
Effect of pH or Nutrient Availability One of the greatest influence of pH on plant growth is through its effect on the nutrient availability. When base saturation is less than
You will be learning about vitamins and minerals (micronutrients) over a 2 week span. Remember phytochemicals from the Controversy section of chapter 2? They are not vitamins, b
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