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Yogita Ingle 4 days, 16 hours ago
A seed has the following parts:
- Seed coat: It is the outer covering the of seed. It protects the internal parts.
- Seed leaves or cotyledons: Cotyledons are present inside the seed. Cotyledons absorb the food from the parent plant and store it for the embryo. They also protect the embryo. Some seeds have two seed leaves like gram, pea, bean, etc. Such seeds are called dicot or dicotyledonous. Some seeds have only one seed leaf. They are called monocot or monocotyledonous.
- Embryo or baby plant: It is present inside the seeds which develop into a new plant. The embryo gives rise to a baby shoot (plumule) and root (radical).
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Yogita Ingle 1 week, 3 days ago
Sodium Chloride is also known as salt. It occurs in oceans and sea waters. It is also found as rock salt. About 1% to 5 % of seawater is made of NaCl. It is a crystalline solid, white in color. In its aqueous form, it is called a saline solution.
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Yogita Ingle 1 week, 3 days ago
Hydrochloric acid is present in the gastric juices in the stomach. The pH of the gastric juice is between 1 to 2. HCl has important role in the digestion process. HCl in the stomach causes the activation of enzymes. HCl is used to convert the enzyme pepsinogen into pepsin. Pepsin breaks up the peptides from the protein. The acid destroys the bacteria and the other microorganisms entered in the body through food.
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Yogita Ingle 1 week, 6 days ago
- Seed Dispersal by Wind
- Seed Dispersal by Water
- Seed Dispersal by Animal and Birds
- Seed Dispersal by Gravity
- Seed Dispersal by Explosions
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mouth,stomach and small intestine are the three sites places where food is digested.
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Oxygen reaches to different parts of our body by hemoglobin converts into oxyhemoglobin and provides to all parts by traveling into the blood
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Yogita Ingle 2 weeks, 3 days ago
Pollination in plants is the process where pollen is transferred from the anther, the male part of a flower, to the stigma, the female part of a flower.
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Yogita Ingle 2 weeks, 6 days ago
When we say that something is in motion, we usually mean that it is moving. But motion has a special meaning in science. In science, motion is a change in position compared to a place or an object that is not moving. The place or object that is not moving is called the frame of reference.
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