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Explain the term Ferns?
Ferns are plants that have vessels that conduct water, minerals, and nutrients, and reproduce through spores, rather than seeds. Ferns are therefore often referred to as seedless vascular plants. Ferns range in size from very tiny aquatic plants (less than a centimeter) to tree ferns that tower to 25 feet in height.
Many of the familiar ferns have horizontal stems called rhizomes that crawl along the ground and are anchored by roots. These produce upright leaves that are called fronds. The undersides of these fronds bear spore-producing organs called sporangia. Clusters of sporangia are known as sori, and occur in different shapes and sizes.
The 1N spores are produced by meiosis and following dispersal, germinate and grow into tiny 1N gametophytes that are green and heart-shaped. These gametophytes develop archegonia, which produce eggs, and antheridia, which produce sperm. Following fertilization, the 2N zygote develops into the large familiar sporophyte with rhizomes and fronds.
Tertiary Butylhydroquinone (TBHQ) TBHQ is moderately soluble in oil and slightly soluble in water. In many cases, TBHQ is more effective than any other antioxidant in providing
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Explain about the Canning of Food? You must have seen the markets flooded with canned products. Can you name a few of such products? Yes the canned juices, canned aerated drink
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do you think the social and cultural environment of the 18th and 19th centuries helped or hindered the study of microbiology in particular and science in general
The life of a eukaryotic cell can be explained as a cell cycle. Mitosis and cell division happens in the M phase that lasts for only about 1 h. This is followed by the G1 phase whe
Q How is the circulatory system of birds characterized? Like every vertebrate, Birds, have a closed circulatory system. The heart is similar to the mammalian heart, having four
A study is made to verify the effects of pesticide exposure on pupal weight of butterflies. In a pilot study, 5 randomly selected larvae are raised on plants exposed to the pestici
From Molecules to the First Cell The prebiotic conditions on the earth in all probability were volcanic eruptions, lightning and heavy rains. There was no trace of free oxygen
What is Ecology? Ecology is the field of Biology that studies the relationship among living beings and among living beings and the environment.
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