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Ask QuestionPosted by Kaustubh Prajapati 7 years, 3 months ago
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Posted by Soumya Poonia 7 years, 3 months ago
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∂Αяѕнαиαα ყα∂Αѵ ??? 7 years, 3 months ago
Posted by Himanshu Jha 7 years, 3 months ago
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Demons King 7 years, 3 months ago
Posted by Sumiya Munawar 7 years, 3 months ago
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Meghna Thapar 5 years, 4 months ago
Differences between the Blood and the Lymph
<colgroup> <col width="299" /> <col width="303" /> </colgroup>| Lymph | Blood |
| Definition | |
| It is a colourless fluid. | It is a reddish coloured fluid. |
| Process occurs in | |
| It is part of the lymphatic system | It is part of the circulatory system |
| Functions | |
| It helps in body defence and is a part of the immune system. | It is involved in the circulation of nutrients, hormones, oxygen and carbon dioxide, wastes and other toxins. |
| Comprised of | |
| It contains plasma and a lesser number of WBCs and platelets. | It contains plasma, RBCs, WBCs, and platelets. |
| Oxygen level | |
| Carries less oxygen and digested food. | Carries more oxygen and digested food. |
| Proteins and minerals | |
| Lymph plasma lacks proteins. | Blood plasma consists of proteins, calcium, and phosphorus. |
| Supply of Nutrients | |
| Nutrients are supplied from the cells, tissue to the blood, through lymphatic vessels. | Nutrients are supplied to different organs. |
| Flow | |
| Very slow compared to blood. | Blood flows fast in the blood vessels. |
| Formation of Clots | |
| Clots slowly due to the presence of less fibrinogen. | Clots quickly due to the presence of more fibrinogen. |
| Movements | |
| The movement of lymph is in a single direction. | The movement of Blood is in a circular motion. |
Posted by Sakshi Singh 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Osmoregulation is the process by which an organism regulates the water balance in its body and maintains the homeostasis of the body. It includes controlling excess water loss or gain and maintaining the fluid balance and the osmotic concentration, that is, the concentration of electrolytes. It ensures that the fluids in the body do not get too diluted or concentrated.
Posted by Kartikey Tyagi 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Double fertilization is a characteristic feature of flowering plants. In the process of double fertilization out of the two sperm nucleus, one sperm nucleus fuses with the egg nucleus to form an embryo ( process is called syngamy) and another fuses with polar nuclei to form endosperm ( process is called triple fusion). Since two kinds of fusion—syngamy and triple fusion—take place, the process is known as double fertilisation.
Posted by Pankaj Yadav 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Carl Linnaeus is the father of modern taxonomy and scientific classification. He was a Swedish botanist who developed protocols for defining species in a uniform system. His book, System of Nature, proposed the hierarchal classification system and the three kingdoms of nature, which were subdivided into classes, orders, genera, species, and varieties.
Posted by Sakshi Singh 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
Economic importance of gymnosperms: Gymnospermous plants are widely used as ornamentals. Many conifers such as pine, cedar, etc., are sources of the soft wood used in construction and packing. Medicinal uses: An anticancer drug Taxol is obtained from Taxus. Many species of Ephedraproduce ephedrine, which can be used in the treatment of asthma and bronchitis. The seeds of Pinus gerardiana are edible. Resins are used commercially for manufacturing sealing waxes and water-proof paints. A type of resin known as turpentine is obtained from various species of Pinus.
Posted by Taha Hasan 7 years, 3 months ago
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Tanya Mishra 7 years, 3 months ago
Posted by Abhishek Singh 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
The science dealing with the study of fungi is called as mycology.
Posted by Sakshi Singh 7 years, 3 months ago
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Posted by Peeyush Yadav 7 years, 3 months ago
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Sachin Singh 7 years, 3 months ago
Posted by Harsha M 7 years, 3 months ago
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Posted by Mohd Saqib Mohd Saqib 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
The heart is entirely made up of cardiac muscles. Muscle cells are also called as myocytes. Myogenic means related to muscles. The control of the heart function is by a set of muscles or special node of modified , the sinoatrial node (SAN) located in the atria, so heart is therefore, called myogenic.
Posted by Adarsh Jawale 7 years, 3 months ago
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Meghna Thapar 5 years, 4 months ago
Xanthophylls are a class of oxygen-containing carotenoid pigments,4 responsible for the color of many of the yellow, orange, and red hues of flowers, fruits, vegetables (corn, pepper, etc.), egg yolks, and feathers, shells, or flesh of many animal species (flamingo, canary, shrimp, lobster, chicken, or salmonids). Non-photochemical quenching is one of the main ways of protecting against photoinhibition. In higher plants, there are three carotenoid pigments that are active in the xanthophyll cycle: violaxanthin, antheraxanthin, and zeaxanthin.
Posted by Sakshi Verma 7 years, 3 months ago
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Meghna Thapar 5 years, 4 months ago
Green glands, also called as antennal or maxillary glands, help carry out excretory functions in crayfish. These glands act much like kidneys in humans and help crayfish remain healthy by eliminating toxic substances and waste products in their urinary and circulatory systems.
In many higher crustaceans the excretory glands are located in the head. They are called antennal glands or maxillary glands, depending on whether they open at the base of the antennae or at the maxillae. If the tubule adjacent to the excretory pore is green, the gland is called a green gland.
Posted by Indrajeet Singh 7 years, 3 months ago
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Shriya Singh 7 years, 3 months ago
Posted by Bishmita Das 7 years, 3 months ago
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Posted by Mr. Thakur 7 years, 3 months ago
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Posted by Gagandeep Singh 7 years, 3 months ago
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Posted by Kaira Choudhary 7 years, 3 months ago
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Posted by Alan George 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
|
Angiosperm |
Gymnosperm |
| Seed is produced by flowering plants and is enclosed within ovary | Seed is produced by non-flowering plants and are unenclosed or naked. |
| The lifecycle of these plants are seasonal | These plants are evergreen |
| Has triploid tissue | Has haploid tissue |
| Leaves are flat in shape | Leaves are scalelike and needle-like in shape |
| Hardwood type | Softwood type |
| Reproduction rely on animals | Reproduction rely on wind |
| Reproductive system present in flowers (unisexual or bisexual) | Reproductive system present in cones and are unisexual |
Posted by Alan George 7 years, 3 months ago
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Posted by Anshika Rathore 7 years, 3 months ago
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Posted by Umid Takke 7 years, 3 months ago
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Posted by Varsha Veena 7 years, 3 months ago
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Yogita Ingle 7 years, 3 months ago
The fruiting bodies, the mode of spore formation and the morphology of the mycelium together divided the Kingdom Fungi into various classes namely Phycomycetes, Ascomycetes, Basidiomycetes and Deuteromycetes.
Posted by Alan George 7 years, 3 months ago
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Posted by ∂Αяѕнαиαα ყα∂Αѵ ??? 7 years, 3 months ago
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Posted by Alan George 7 years, 3 months ago
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Meghna Thapar 5 years, 4 months ago
Methanogens are responsible for the methane in the belches of ruminants and in the flatulence in humans. Methanogens play a vital ecological role in anaerobic environments by removing excess hydrogen and fermentation products produced by other forms of anaerobic respiration. Methanogens are obligate anaerobic Archaea that produce energy from the biosynthesis of methane. These lithotrophic microorganisms are widely distributed in oxygen-free environments and participate actively in the carbon cycle.
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∂Αяѕнαиαα ყα∂Αѵ ??? 7 years, 3 months ago
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