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Ask QuestionPosted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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☆•..¤( Prateek )¤..•☆ 5 years, 2 months ago
Sania Maria Biju 5 years, 2 months ago
Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
Following are the various advantages of tissue culture technique:
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The plantlets are obtained in a very short time with a small amount of plant tissue.
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The new plants produced are disease-free.
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The plants can be grown throughout the year, irrespective of the season.
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A large space is not required to grow plants by tissue culture technique.
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The production of new varieties in the market place speeds up.
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This technique is being used for the production of ornamental plants such as dahlia, chrysanthemum, orchids, etc.
Posted by Priyanshu ?✌??? 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
Variation is the change in characters or traits of an individual which has not existed in their parents.
Variations can be of many types. If mutation occurs, there is a sudden change in the number or structure of genes or chromosomes. This change lasts generation after generation. For example, in the atomic bombing of Hiroshima and Nagasaki in 1945, the structure of genes of people changed. This is lasting till now. Moreover in disasters like Radioactive leakage, mutations can occur.
Variations lead to Evolution. This fact has lead to development of humans from ape.
Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
Posted by Priyanshu ?✌??? 5 years, 2 months ago
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Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
Posted by Priyanshu ?✌??? 5 years, 2 months ago
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☆•..¤( Prateek )¤..•☆ 5 years, 2 months ago
Yogita Ingle 5 years, 2 months ago
1: Amoeba a unicellular organism found in stagnant water.
2: The size of amoeba is 0.25.
3:They move with the help of finger like projection called pseudopodia.
4: Cytoplasm is differentiate into two parts, outer portion is ectoplast and inner portion is called endoplast.
5.Amoebae are eukaryotes whose bodies most often consist of a single cell.
6. The cells of amoebae, like those of other eukaryotes, possess certain characteristic features.
7.Their cytoplasm and cellular contents are enclosed within a cell membrane.
8.Their DNA is packaged into a central cellular compartment called the nucleus..
Each amoeba contains a small mass of jellylike cytoplasm, which is differentiated into a thin outer plasma membrane, a layer of stiff, clear ectoplasm just within the plasma membrane, and a central granular endoplasm.
9. The endoplasm contains food vacuoles, a granular nucleus, and a clear contractile vacuole..
10.People usually become infected from warm freshwater lakes and rivers..
Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
- Antacids are used to cure indigestion in a body.
- They are group of mild bases and have no toxic effects on body.
- They are basic in nature so reacts with excess acids in stomach and neutralise it.
Posted by Samraat Sahil Verma 5 years, 2 months ago
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Utsav Kumar 5 years, 2 months ago
Posted by Venkataramana Shenoy 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
The zygote formed after fertilization in the fallopian tube is implanted in the uterus. It divides repeatedly to form a mass of cells known as an embryo. This embryo gets attached to the inner layer of the uterine cavity, i.e., endometrium. It thickens every month and is supplied with blood to nourish the embryo. Soon it gets covered by rapidly dir.iding uterine cells. This leads to pregnancy.
Within a span of some months, the embryo starts developing limbs and begins to resemble a miniature human being. When all body parts of the embryo can be recognized, it becomes a fetus. When this fetus is fully developed, the mother gives birth to the baby.
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Posted by Raju Singh 5 years, 2 months ago
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Yogita Ingle 5 years, 2 months ago
Renal artery carries mineral rich, oxygenated blood from the heart to the kidneys for nutrition and cellular respiration.
Renal veins carry deoxygenated blood after waste products have been removed via glomerular filtration back from the kidneys to the heart.
Posted by Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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Meghna Thapar 5 years, 2 months ago
Thyroid hormones are two hormones produced and released by the thyroid gland, namely triiodothyronine and thyroxine. They are tyrosine-based hormones that are primarily responsible for regulation of metabolism. T₃ and T₄ are partially composed of iodine. Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and maintenance of bones.

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Priya ✧*。٩(๑˙╰╯˙๑)و✧*。 5 years, 2 months ago
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