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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 68051. |
Explain fission in plasmodium |
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Answer» Multiple fission in Plasmodium: It is an asexual mode of reproduction in organisms. Here, the nucleus of the organism divides repeatedly to form a number of equal-sized daughter nuclei and each daughter nuclei breaks away together with a small portion of the cytoplasm. Plasmodium reproduce through multiple fission. In this process one cell spilt into more daughter cell Plasmodium reproduce through multiple fission. In this process one cell spilt into more daughter cell |
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| 68052. |
What do you mean by plasma membren |
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Answer» PLASMA MEMBRANE is a thin membrane that surrounds every living cell, separating it from the external environment around it. The plasma membrane consists of water-soluble substances like nucleic acids, proteins, carbohydrates. Typically, the plasma membrane defines the boundary of a cell. Apart from protecting the constituents of the cell, substances are exchanged through the surface of the plasma membrane. HoPe It HeLpS yOu?? Tqq Plasma membrane is a thin membrane that surrounds every living cell, separating it from the external environment around it. The plasma membrane consists of water-soluble substances like nucleic acids, proteins, carbohydrates. Typically, the plasma membrane defines the boundary of a cell. Apart from protecting the constituents of the cell, substances are exchanged through the surface of the plasma membrane. |
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| 68053. |
Describe reproduction |
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Answer» Reproduction is the process by which an living organism produce new individuals similar to themselves. It ensures continuity of life on earth. Reproduction means to reproduce. It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism. Reproduction enables and ensures the continuity of species, generation after generation. It is the main feature of life on earth.\xa0Let us have a detailed overview of reproduction, its types and the modes of reproduction in plants and animals.Types of ReproductionThere are basically two types of reproduction:\tAsexual Reproduction:Asexual reproduction refers to the type of reproduction in which only a single organism gives rise to a new individual.”\tSexual Reproduction: Sexual reproduction is a type of reproduction that involves the production of an offspring by the fusion of male and female gametes. |
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| 68054. |
Explain,,,Whole reproduction process?? |
| Answer» \tModes of Reproduction used by Single Organisms:The production of a new organism from a single parent without the involvement of *** cells or gametes is called asexual reproduction.Fission, fragmentation, regeneration, budding, vegetative propagation and spore formation are various modes of asexual reproduction.The sexual reproduction in animals takes place in the following steps:(i) The male parent produces male gamete called sperms. The sperm is a small cell with a long tail (flagellum) for movement.(ii) The female parent produces female gamete called ova which is much bigger cell than the sperm, having a lot of cytoplasm.(iii) The sperm enters into the ovum and fuses with it to form a new cell called zygote and this process is called fertilisation.(iv) The zygote then divides again and again to form a large number of cells and ultimately the zygote grows and develops to form a baby.\xa0 | |
| 68055. |
Pls explain mole systm clearly???????????????? |
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| 68056. |
I have recently asked some questions. Answer my questions. |
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Answer» Tyndall effect is scattering of a beam of light by a medium containing small suspended particles—e.g., smoke or dust in a room What have u ques |
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| 68057. |
I have recently asked questions. Hello answer my questions. |
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Answer» Love u to Love u |
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| 68058. |
I have recently asked questions. Please answer my questions. |
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| 68059. |
I have recently asked questions . Answer my questions . |
| Answer» What\'s the question?? | |
| 68060. |
Draw a well labelled diagram of flowering plant with all parts. |
| Answer» Fr D | |
| 68061. |
Explain different parts of flowering plant? Please give me ans urgently |
| Answer» Most flowers have four main parts:\xa0sepals, petals, stamens, and carpels. Sepals:\xa0These are the small, leaf-like parts growing at the base of the petals. They form the outermost whorl of the flower. Collectively, sepals are known as the calyx. The main function of the calyx and its sepals is\xa0to protect the flower before it blossoms(in the bud stage).Petals:\xa0This layer lies just above the sepal layer. They are often bright in colour as their main function is to attract pollinators such as insects, butterflies etc to the flower. The petals are collectively known as the corolla.Stamens:\xa0These are the male parts of a flower. Many stamens are collectively known as the androecium. They are structurally divided into two parts:Filament:\xa0the part that is long and slender and attached the anther to the flower.Anthers:\xa0It is the head of the stamen and is responsible for producing the pollen which is transferred to the pistil or female parts of the same or another flower to bring about fertilization.Pistil:\xa0This forms the female parts of a flower. A collection of pistils is called the gynoecium.Style\xa0-is a long slender\xa0stalk that holds the stigma. Once the pollen reaches the stigma, the style starts to become hollow and forms a tube called the pollen tube which takes the pollen to the ovaries to enable fertilization.Stigma– This is found at the tip of the style. It forms the head of the pistil. The stigma contains a sticky substance whose job is to catch pollen grains from different pollinators or those dispersed through the wind. They are responsible to begin the process of fertilization.Ovary\xa0– They form the base of the pistil. The ovary holds the ovules.Ovules– These are the egg cells of a flower. They are contained in the ovary. In the event of a favorable pollination where a compatible pollen reaches the stigma and eventually reaches the ovary to fuse with the ovules, this fertilized product forms the fruit and the ovules become the seeds of the fruit | |
| 68062. |
What is the formula for marble |
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Answer» CaCo3 as calcium carbonate Calcium carbonate ( CaCO3) Calcium carbonate = CaCO3 . CaCO3 CaCO3 (Calcium carbonate) |
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| 68063. |
What pollination |
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Answer» ? transfer of pollen grains from anther to stigma is called pollination. ? There are two types of pollination? Cross pollination? Self pollination PollinationTransfer of pollen grains from anther to stigma is termed as Pollination. This transfer of pollen grains occurs with the help of pollinating agents like wind, water, insects, birds etc.There are 2 types of pollination:\tSelf pollination\t\tTransfer of pollen grains from anther to stigma of the same flower\t\t\tSeen in leguminous plants like pea\tCross pollination\t\tTransfer of pollen grains from anther of one plant to stigma of the another plantSeen in large number of plants like onions, broccoli etc..\t\t Transfer of pollen grain from anther to stigma |
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| 68064. |
Ex of exothermic and endothermic |
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Answer» Exothermic ---- CAO+H2O--CA(OH)2+heatEndothermic---- N2+O+heat--- NO 1)EXOTHERMIC REACTION=CaO+H2O→Ca(OH)2+heat2) ENDOTHERMIC REACTION=Ca(OH)2+heat→CaO+H2O |
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| 68065. |
what is a sels |
| Answer» Sales are activities related to selling or the number of goods sold in a given targeted time period. The delivery of a service for a cost is also considered a sale. | |
| 68066. |
Draw the electron dot structure (1)ethanoic acid |
| Answer» Electron-dot structure :\xa0It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.As we know that, carbon has \'4\' valence electrons, hydrogen has \'1\' valence electron, sulfur and oxygen has \'6\' valence electrons and fluorine has \'7\' valence electrons.Therefore, the total number of valence electrons in ethanoic acid,\xa0\xa0= 2(4) + 2(6) + 6(1) = 26 | |
| 68067. |
How does phototroplasm occur in plants? |
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Answer» Yeah I mean Phototropism only. Thanx for your answer I think you are saying that [How does phototropism occur in plants .] Phototropism\xa0is the growth of an organism in response to a light stimulus. ... The cells on the\xa0plant\xa0that are farthest from the light have a chemical called auxin that reacts when\xa0phototropism occurs. Thank you |
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| 68068. |
What is mainly digested by stomach of a man ? |
| Answer» Protein\xa0digestion\xa0occurs in the\xa0stomach\xa0and duodenum in which 3 main enzymes, pepsin secreted by the\xa0stomach\xa0and trypsin and chymotrypsin secreted by the pancreas, break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids. | |
| 68069. |
What is the importance of DNA coping in reproduction? Pls answer as soon as possible ? |
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Answer» DNA copying is an essential part of the process of reproduction because it carries the genetic information from the parents to offspring. A copy of DNA is produced through some chemical reactions resulting in two copies of DNA. Along with the additional cellular structure, DNA copying also takes place which is then followed by cell division into two cells. Sorry |
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| 68070. |
Calculate the number of electrons in one coulomb of charge |
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Answer» 1.6×10^-11=6.25×10^9 1/1.6 × 10^-11= 6.25 ×10⁹ |
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| 68071. |
what is the normal name of CaO |
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Answer» Quik lime . Calcium oxide or lime Calcium oxide or\xa0lime\xa0is prepared by the process called calcination. Calcium carbonate or Limestone is heated to a temperature between 1250 ⁰C and 1400 ⁰C in Kilns (oven) and it decomposes to quicklime and carbon dioxide. Quick lime answer do yaar |
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| 68072. |
How will the concentration of H3O + ions change on dilution? |
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Answer» Thanks for your answer! ? When the solution of an acid is\xa0diluted\xa0then its strength decreases as there is decrease in the\xa0concentration of hydronium\xa0(H3O+)ions. ... It means number of (H3O+) remains same but the total volume of the solution has increased thus causing the fall in\xa0concentration of hydronium ions\xa0as\xa0concentration\xa0is quantity/volume |
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| 68073. |
Explain the process of double circulation with the help of a flow chart. |
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Answer» Thanks for your answer ? DOUBLE CIRCULATION\xa0- There are four chambers in the heart totally. when all the chambers are in a relaxed(joint diastole) the pulmonary vein brings in the oxygenated blood to the left atrium.Tje tricuspid and the bicuspid valves open to push the blood to the ventricle.\xa0- Now the left atrium is filled oxygenated blood.When the left atrium contracts the Oxygenated blood is pushed to the left ventricle of the heart.At this point the ventricle will be in relaxed stage known as "ventricle diastole".The SA node creates impulses which is received by AV.\xa0-when the ventricle contracts( ventricle systole) the blood moves to main artery known as the aorta.This blood is distributed to all body organs .\xa0-The blood loses oxygen when it produces for all the organs ie, it has been deoygenated.the deoxygenated blood enters through the main vein termed as Vena Cava.It brings in deoxygenated blood to right atrium.when right atrium contracts the blood is pushed to the right ventricle.\xa0-And when the right ventricle contracts the blood is pushed to the lungs through pulmonary artery.\xa0- A circulatory system where the blood enters the heart twice in one complete cycle is called "double circulation".ex:- human beings. |
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| 68074. |
What is the paper pattern of class 10th 2021 |
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Answer» I think paper pattern is not so hard Do not know |
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| 68075. |
What are the uses of convex mirror |
| Answer» Some convex mirror uses are listed in the points below.Inside buildingsVehicle mirrorsMagnifying glassSecurity purposesConvex mirrors used inside buildingsLarge offices, stores, and hospitals use a convex mirror to let people see around the corner so that they can avoid running into each other and prevent any collision.Convex mirror used in vehiclesConvex mirrors are widely used as rear-view mirrors in automobiles and vehicles because it can diverge light beams and make virtual images.Uses of the convex mirror in a magnifying glassConvex mirrors are widely used for making magnifying glasses. In order to make a magnifying glass, two convex mirrors are placed back to back.Convex mirrors used for security purposesConvex mirrors are also used for security purposes in various places. They are places near ATM’s so that bank customers can check if someone is behind them. | |
| 68076. |
Why do you think there should be equitable distribution of resources? |
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Answer» There should be equitable distribution of resources among all people—rich and poor, so that all are benefitted from the development of these resources. Such an even distribution of resources restricts the exploitation, wastage and misuse of these resources. The poor will also get a chance to make benefit for himself and the society will improve. Unfortunately, it has been deserved that mainly the rich and the powerful take the full advantage of these resources and the poor are devoid of its pleasure. Thus, rich and powerful people for their personal benefit work against the equitable distribution. Equitable distribution of resources will ensure benefits to all the sections of the society rich as well as poor. This is necessary for the growth and development of a country. Money force is the main factor which is working against an equitable distribution of resources as rich people and rich nations try to encroach upon the share of the poor people or poor nations. |
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| 68077. |
What is room temperature? |
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Answer» 25°C Room temperature is a range of air temperatures that most people prefer for indoor setting which can be comfortable. A comfortable temperature range indoors, usually considered to be 68 to 77(20 to 25c). |
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| 68078. |
Give two examples of synthetic indicators |
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Answer» Indicators:\xa0Indicators are those substances which tell us whether a substance is acidic or basic by change in colour. For e.g., litmus solution. • Olfactory indicators: Those substances whose odour changes in acidic or basic media are called lfactory indicators. For e.g., clove, vanilla, onion. • Natural indicators: Turmeric, litmus (obtained from lichen) • Synthetic indicators: Methyl orange, phenolphthalein. Phenophythalein,methyl orange Brain was divided into which parts |
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| 68079. |
Mcq questions of chapter 1 |
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| 68080. |
What is meaning of Chemistry? |
| Answer» Chemistry, the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes. | |
| 68081. |
Why is a normal eye not able to see clearly the objects placed closer than 25cm? |
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Answer» thnks honey for your answer? Because our convex len in eye is adjusted to see objects beyond 25 cm ok thanks for your answer?? Cuz the near point of eye is 25 cm. The lens cant be adjusted to see objects beyond 25 cm without strain |
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| 68082. |
Are allel and trait same ? |
| Answer» Traits are basically your phenotype. They include things like hair color, height, and eye color.Alleles are versions of genes. They are what directly specify what traits you have. For instance, in your hair gene, if you have the allele for brown hair, then you will have brown hair.This is a pretty basic idea of how traits and alleles are related. | |
| 68083. |
Name the sense organs of our body and the receptors associated with them. |
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Answer» thanks Robin... ya it\'s helpful... but I think skin has thermoreceptor not thigmoreceptor? Your answer is just below,Receptor-: Located in sense organ which are specialised tips of nerve cells.1) Eye - light-Photo receptor2) Ear - sound-Auditory receptor3) Nose - smell- Olfactory receptor4) Tongue - taste- Gustatory receptor5) Skin - touch-Thigmo receptorI hope so....It will help you Priya... |
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| 68084. |
Mention any three advantage of variation in individuals . |
| Answer» 1. The living beings looks different from each other and can be identified easily.2. It increases chances of survival in the living organisms as some of the variations are acquired genetically due to change in segregation of chromosome during reproduction or due to adaptations these changes will increase the chances of survival of the organism is unfavorable conditions.3. It increases the resistance to diseases.4. It provides the best traits to the organism so that it can get mates and reproduce more number of offspring.5. It brings changes in the gene pool which is beneficial for the members of the species for survival. | |
| 68085. |
What is the importance of DNA copying reproduction?? |
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Answer» For more beautiful children to get ? \xa0The copying of DNA during reproduction is important because:\tThe replication of DNA ensures that each daughter cell formed at the end of cell division, receives equal amount of DNA.\tIf DNA won\'t be copied then the daughter cells won\'t receive all necessary genes.\tThere may be absence of important proteins which are encoded by DNA, if DNA won\'t be replicated.\tCopying of DNA may result in recombination which will lead to evolution.\tTransfer of genetic material from one generation to other makes the organisms to have similar functions.\tStability of population is maintained. |
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| 68086. |
What are the general uses of metals |
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Answer» Most common metal is copper and iron Silver and copper is the best conducted of electricity. metal are shiny and ductile.Metal are m malleable.Two metal that can be cut with knife are sodium and potassium. Uranium is used in nuclear reactions. Uses of Metals1)Cu and Al metals are used to make wires because they are good conductors.2)Fe,Cu and Al metals are used to make house hold utensils and factory equipments.3)Zn is used for galvanising iron to protect it from rusting.4)The Al foils are used in packaging of medicines,cigarettes and food material.5)Gold and Silver are used to make jewellery.6)Mercury is used in thermometers.7)Na,Ti,Zr are used in atomic energy. |
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| 68087. |
How does creation of variations in a species promote survival? |
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Answer» ok thanx for your answer?? All the variations in the species do not have equal chances of survival in the environment. The survival of the variations depends upon the nature of variation. Different individuals have different chances. Selection of variants by environmental factors forms the basis for evolutionary processes. These variations may lead to increased survival advantages of the individuals due to positive adoption of traits or may merely contribute to the genetic drift. |
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| 68088. |
What happens at the synapse between two nuerons? |
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Answer» Can you please explain it fully ? Snaps are the junction of neurons |
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| 68089. |
What is the name of Cao |
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Answer» Calcium oxide or lime Calcium oxide Calcium oxide Cao is the name of calcium oxide . It is a calcium oxide |
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| 68090. |
Difference between monohybrid cross and dihybrid cross. |
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Answer» Tq \tMonohybrid CrossDihybrid Cross1. It is a cross between two pure organisms in order to study the inheritance of a single pair of contrasting character.1. It is a cross between two pure organisms in order to study the inheritance of two pairs of contrasting characters.2. It produces a phenotypic monohybrid ratio of 3:1 in F2\xa0generation.2. It produces a phenotypic dihybrid ratio of 9:3:3:1 in F2\xa0generation.3. It produces a genotypic ratio of 1:2:1 in F2\xa0generation.3. It produces a genotypic ratio of 1:2:1:2:4:2:1:2:1 in F2\xa0generation.4. Example: Cross between tall and dwarf pea plants.4. Example: Cross of pea plants having round and yellow seeds and plants with wrinkled and green seeds.\t |
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| 68091. |
Transpiration |
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Answer» Transportation is the process where the water is elimination of excess water from the plants through stomata. Like all living organism, plants also require an excretory system to discharge excess water from their body. This process of elimination of excess water from the plant body is known as transpiration. It is generally the evaporation of water from the surface of the leaves.During the process of transpiration, water molecules in the plant tissues are removed from the aerial parts of the plants. Only a small amount of water absorbed by the plants is utilised in growth and development. The rest is eliminated in the form of transpiration. |
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| 68092. |
Name the different types of neurons. |
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Answer» thanks for your answer?? Sensory neurons, motor neurons, interneurons and the neurons in the brain this is the type of neurons |
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| 68093. |
Please friends answer my question as quickly as possible ? |
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Answer» ? What are relay neurons? Where are they present? Questions are given below ?? |
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| 68094. |
What are relay neurons? Where are they present? |
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Answer» ok thanks for your answer?? Relay neurons are only found in the brain visual system and spinal cord acting to relay signals they receive a signal from one neuron and then transfer the signal to another interneuron resulting in the signal being passed to a motor neurone this driving the reaction to the stimulus. |
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| 68095. |
What is hypertension? Why is it caused? What harm can it do? |
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Answer» A condition in which the force of blood against the artery walls is too high it is hypertension . High blood pressure cause by constriction of arteriodes How it is caused and what harm it can do? thanks for your answer?? A condition in which the force of the blood against the artery walls is too high it is hypertension |
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| 68096. |
Which is the vestigial organs in the human body. |
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Answer» Vestiges organs are the organs that we do not use anymore.Eg:Appendix, Tails, Coccyx, Wisdom Teeth,etc. In human beings, vestigial organs are a wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular muscles. |
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| 68097. |
Which is the evidences of evolution |
| Answer» Fossils serve to highlight the differences and similarities between current and extinct species, showing the evolution of form over time.Similar anatomy across different species highlights their common origin and can be seen in homologous and vestigial structures.Embryology provides evidence for evolution since the embryonic forms of divergent groups are extremely similar.The natural distribution of species across different continents supports evolution; species that evolved before the breakup of the supercontinent are distributed worldwide, whereas species that evolved more recently are more localized.Molecular biology indicates that the molecular basis for life evolved very early and has been maintained with little variation across all life on the planet. | |
| 68098. |
What is skeletal chemical equation for a reaction? |
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Answer» Skeleton chemical equation is the equation that is not balanced or number of atoms on LHS and RHS are not equal.Eg: Mg+O2--->MgO Skeletal equation- The equation in which the number of atoms of each element on the reactant side and product side are not equal.In the simple way:Skeletal equation-Not balanced equation is called skeletal equation. |
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| 68099. |
In the reaction mno2 +4hcl gives mncl2+2h2o +cl2Name the substance oxidized |
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Answer» 4hcl gets oxidised 4hcl gets oxidised 4hcl gets oxidised |
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| 68100. |
Why is the sky blue? The earth is surrounded by an atmosphere. ... |
| Answer» The molecules of air and other fine particles in the atmosphere have smaller size than the wavelength of visible light. These are more effective in scattering light of shorter wavelengths at the blue end than light of longer wavelengths at the red end. The red light has a wavelength about 1.8 times greater than blue light. Thus, when sunlight passes through the atmosphere, the fine particles in air scatter the blue colour (shorter wavelengths) more strongly than red. The scattered blue light enters our eyes. | |