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Q. Describe Palynological Evidence?
Palynology is the study of pollen and spores. The taxonomic characters of pollen grains include wall structure, polarity, symmetry, shape and grain size. In angiosperms pollen grains are of two kinds viz. Monocolpate and tricolpate. Monocotpate pollen grains are boat shaped, have one long germinal furrow and one germinal aperture. This is characteristic of primitive dicotyledons and majority of monowtyledons. According to some palynologists the first flowering plants had monocolpate pollen grains. Tricolpate grains are globose, symmetrical, have three germinal apertures and are characteristic of advanced dicotyledons.
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What do numeric pyramids represent? Numeric pyramids show the number of individuals in each trophic level of a food chain.
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Name the organism included in symbiotic nitrogen fixation. What are the components needed for this pure? Determine their role. Differentiate among inbreeding and heterosis. The
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Explain the Reduction in free radical generation - Vitamin E? 1) Reduction in free radical generation: Vitamin E acts synergistically with selenium thereby reducing susceptibil
ENTROP Y - Transfer of energy takes place from high energy level to low energy level. Rudol f clausius gave this term. During it there is collision of particles, r
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What is lactic acid
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