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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.
| 48051. |
Write micelle formation |
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Answer» When the soap react with the hard water then it form micelle Pg no 75 chapter 4 |
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| 48052. |
Why do electricity not flow in solid state of ionic compound but flow in its .molten state |
| Answer» electricity is the flow of charge and in molten state ionic compound consists ions which are charged particles therefore current flows through ionic compound in its molten state | |
| 48053. |
hi all how r all\xa0 |
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Answer» Bold letter MA likhna s tu alsi riddhi nhi Ho jaigi Hi meri I\'d kyo use kar r Ho |
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| 48054. |
Now it\'s our peak time friends...boards are coming All the best??? |
| Answer» ?? | |
| 48055. |
Which diagrams from biology can come in exam and which cannot ? |
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Answer» What about digestive system , nephron and all Human brain,neuron,biogas plant |
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| 48056. |
Methylcholoanthrene formula c21h16 |
| Answer» 3 - methylcholanthene hi correct h | |
| 48057. |
What is olfactory receptors |
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Answer» Receptors which detect smell.it is present in nose Bye tanu Thanks Which detect taste Receptors which detect smell Hiii but now pls tell me answer Hlo nancy |
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| 48058. |
What is gustatory receptors |
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Answer» Receptors for taste. Thanks Detect taste Taste sensor |
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| 48059. |
Explain reflex arc |
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Answer» It is the path taken by reflex action Present in spinal chord helps in doing of reflex action In detail |
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| 48060. |
List four methods of contraception used by humans |
| Answer» barrier method,chemicla method, surgical method | |
| 48061. |
How evolution and classification are interlinked with each other? |
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Answer» Classification is based on similarities and differences among organisms. Organisms having same type of features and level of development are kept in same class. Organisms resemble with each other because if we trace back their origin we find that they were developed from common ancestors. Evolution means studying organisms based on the complexity of their structure and features and arranging them in order of their complexity. So it is evident that both classification and evolution are interlinked ??????????help |
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| 48062. |
Define 1 dioptre |
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Answer» 1D= 1m 1 dioptre is the power of lens whose focal length is 1 meter |
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| 48063. |
What is Column\'s Law? |
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Answer» a law stating that like charges repel and opposite charges attract, with a force proportional to the product of the charges and inversely proportional to the square of the distance between them. Its Coulomb\'s law. F=q1q2/r^2 |
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| 48064. |
define chemical reaction ? explain all types of chemical reaction with its examples |
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Answer» 2nd- decomposition -the compound split up in two or more substance Chemical reactions are the process in which new substances with new property are formed for ex- 1st combination -in those reaction two or more substance formed a single substance -2Mg+O2----2MgO Chemical reaction are the process in which new property with new substance are formed. Types of chemical reaction. 1. Combination reaction 2.Decomposition reaction 3.Displacement reaction 4. Double displacement reaction 5.Oxidation and Redution |
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| 48065. |
Define spectrum |
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Answer» A band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction is called spectrum. What happened ????? |
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| 48066. |
In the case of spinal cord injury which signals get disrupted |
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Answer» reflex action Signals of reflex action |
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| 48067. |
. Identify the category in which the organisms using carbon dioxide and water as food are placed. |
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Answer» I think tum aapne bade se puch sakti ho but I am sure this is autotrophic Which one is correct???? The category in which organisms using carbon dioxide and water for making food are placed is autotrophic.green plants and trees only autotrophic organismsbecause they are only one who makes on their own . They do not depend on otheranimals for food. I don\'t know isliya you yaha pucha tha Right answet Thanks Hetrotropic Phototropic organism may be ??? H |
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| 48068. |
What is the rate of fluid in bowman\'s capsule ??? |
| Answer» Which fluid?? | |
| 48069. |
What is the function of flower? |
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Answer» It helps in the reproduction process. Reproductive part spelling. Mistake It contains the reproive part Function of attracting insects for pollination 1° function for reproduction |
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| 48070. |
What is atmospheric refraction..? |
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Answer» Thank you ishika goyal? Not funny? The refraction of light caused by the earth\'s atmosphere is called atmospheric refraction. because I have a great time to time you are a wonderful time in the morning and you you it is caleeed atmosphere refractiiny |
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| 48071. |
What is binary fusion |
| Answer» In this fusion, parents divides to form to two new organisms | |
| 48072. |
What is the role of H2SO4 in esterification? |
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Answer» In place of ot put it Ot acts as a catalyst |
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| 48073. |
Name the biological catalysts which bring about chemical digestion of food? |
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Answer» HCl Pepsin, trypsin and lipase and many more..... Hello I am answering soon |
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| 48074. |
Why there is a need of argon in bulb |
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Answer» If there is no argon in bulb then oxygen react with tungsten and bulb may damage argon is unreactive gas Because Argon stops the filament burning away because it is unreactive. Because argon is un reactive and inert |
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| 48075. |
What happens when sodium carbonate is added to acetic acid. |
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Answer» Sodium acetate n carbon dioxide n water forms Sodium acetate, carbondioxide and water forms |
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| 48076. |
Give the role of genes in evolution. |
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Answer» And variation evolves a new organism In evolution they help in the variation Genes are actually unit of heredity which transfers characteristics from parents to their offsprings during reproduction |
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| 48077. |
Define the term natural selection given by Charles Darwin. |
| Answer» Theory of evolution is known as the theory of natural selection it is called theory of natural selection bcoz it suggests that the best adapted organisms are selected by nature to pass their characteristics to the next generation.. | |
| 48078. |
Are my all freinds present here...??). |
| Answer» | |
| 48079. |
What are the two merits and two demerits of pipelines? |
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Answer» Demerits:-1. It is not flexible, i.e., it can be used only for a few fixed points.2. Its capacity cannot be increased once it is laid. Merits:-1. Pipelines can be laid through difficult terrains as well as under water.2. It involves very low energy consumption. It\'s is fast and is less expensive and it\'s new in India. Earlier it was used for water but now solids things can also be transported by making it slurry it don\'t have demerits Hmm thanx DemirtsIts construction is costlyNdIt cannot work thouhout the day Hmm..Acha hai..and demerits? Merit:fast transfer Less expensive Can anybody ans..this question? ?). |
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| 48080. |
Process of asexual reproduction by video |
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Answer» Hm.. u can see video by this app Only like that i can explain but not by video By video means??? |
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| 48081. |
Explain why planets don\'t twinkle but the stars twinkle |
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Answer» Twinkling of stars due to atmosphere IC refraction of stars light....planets appear quite big to us in the whole the brightness of a planet always remains the same and hence it does not appear to twinkle Atmosphere |
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| 48082. |
What is a binary fission |
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Answer» It is a kind of asexual reproduction In binary fission the parent organisms splits to form two new organisms Type of asexual reproduction in which organism divides into two daughter cells |
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| 48083. |
What is a sperm |
| Answer» Male gamete | |
| 48084. |
Method of vegetative propagation such as layering, grafting, and cuttung |
| Answer» Vegetative propagation - It is the simplest method of reproduction in some higher plants in which new plants is produced from any vegetative part of the plant such as root stem leaf etc.Layering- In this process the development of adventitious roots is induced on the stem branch while it is attached to the parent plant the stem that develop roots is called layer Cutting- A cutting may be a piece of stem leaf even a bulb scale .Cutting when placed in the moist soil give rise to adventitious roots and grow into new plants Grafting- In this process the stem cutting of a desired plant is attached to the stem of another plant having extensive root system . On joining them together they will unite n grow as one plant . | |
| 48085. |
why green plants are called producer |
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Answer» Because they make food by own self ? Because they prepare their own food by using sunlight ...water ...chlorophyll and facilitate it for other heterotrophs animals |
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| 48086. |
What is meiosis. |
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| 48087. |
What is mutation. |
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| 48088. |
What is sexual and unsexual |
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| 48089. |
What is scientific name of pea. |
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Answer» Pisum sativum Pisum sativum Pesium sativam |
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| 48090. |
In which place Mahatma Gandhi organised satyagraha for first time in India? |
| Answer» Champaran Bihar | |
| 48091. |
Metals that are alloyed with iron to make stainless steel |
| Answer» Nickle (ni) and cr | |
| 48092. |
List the three events which occur during photosynthesis. |
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Answer» Okkk Its in ncert |
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| 48093. |
A copper wire of L 3m & area 1.7/1000000 has resistance of 3/100 ohms . Calculate resistivity |
| Answer» | |
| 48094. |
Agar koi boy ik shart ha agar friend\xa0 |
| Answer» Th fake hai | |
| 48095. |
Main kaira nhi abd.main ladka hoon.us din sab jhooth tha |
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Answer» ?? Ohk |
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| 48096. |
Main kaun hoon bta do to maanu.aur saath mein reason b bta |
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Answer» Pta nhi him/her shayad dono?? ????? Ap ek Insan ho |
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| 48097. |
What are the method used by plant to get rid of their waste products? |
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Answer» Plants excrete their waste by eliminating petals ,fruits and seed . Some waste may be stored vacuoles and may be stored in leaves which is fallen down Gaseous waste..co2..nd o2...they also get rid of their waste...by falling of leaves Fggf transpiration |
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| 48098. |
Ananya message me |
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Answer» Aapko krna h to aap kr skte h Shivamjaiawal3 Shivam3 is my id Kha ho?? M bhi hu Kya hua?? Aap bhi to kr skte ho |
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| 48099. |
What is mitosis - diploid?What is miosis - haploid ? |
| Answer» | |
| 48100. |
Why is the rate of breathing in aquatic organism much faster than that seen in terrestrial organism. |
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Answer» In aquatic organism the oxygen need for breathing is already dissolved in water whereas in terrestrial animal they need to take oxygen from the air this is why the rate of breathing in aquatic organism much faster Because oxygen is less soluble in water...that why the breathing rate of terrestrial organism is more than aquatic organism |
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