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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.
| 51851. |
Easy diagram of circulatory system |
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| 51852. |
Who gave the term hormone? |
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Answer» Dur se to kutte bhi bhauk lete h pass akar kabhi bat karna to dum nikal jaegee tumhari samje chatulal I gave the term s. E. X hormone maine tumhari bahan or maaa dono k saath kal s e. X kiya tha |
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| 51853. |
Why does distilled water not conduct electricity whereas rainwater does |
| Answer» Distilled water do not contain H+ions in an aqueous solution. As rainwater contains salts, it ionizes to form H+ ions.Hence, distilled water do not conduct electricity but rainwater does. | |
| 51854. |
What substances are reabsorbed during urine formation |
| Answer» Amino acids, protein glucose salts and water | |
| 51855. |
What is clotting of blood. |
| Answer» During an injury when blood flows platelets (web like structure in blood)help in stopping flow this is known as clotting | |
| 51856. |
What is glottis. |
| Answer» The nasal passage open behind into pharynx.It is a common passage for food and air.It leads into an air tube called trachea through a slit called glottis. Glottis is the elongated space between the vocal cords. Glottis is involved in the production of sound. | |
| 51857. |
What is the name of compound HNO3 |
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Answer» Nitric acid Nitric acid It is nitric acid. Nitric acid??? |
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| 51858. |
What is the function of liver? |
| Answer» To produce bile juice | |
| 51859. |
what is soil what is |
| Answer» the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles. | |
| 51860. |
Alge has chlorophyll but some alges are not prepared their food. Why? |
| Answer» Because some algaes have lack of inconsistency of food. | |
| 51861. |
colour of light depends on which factor |
| Answer» Colour of a light depends on its wave length and frequency, the more they are, the farer it can be seen | |
| 51862. |
Why ac is fixed on top of wall? |
| Answer» Density of cold air is higher and hence would settle downwards cooling the space much more evenly. | |
| 51863. |
How ,any electron present in 1c of charge in alpha particle |
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| 51864. |
What is double circulation and why is it neccessary |
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Answer» Double circulation implies that the blood in the body enters two times in the heart during one cardiac cycle. At first oxygenated blood enters and further deoxygenated. It is essential for WARM - BLOODED animals ; because they require more energy, in order to maintain their body temperature, and for various metabollic activities. Double circulation means mammals have two loops in their body in which blood circulates.One is oxygenated means oxygen rich and other is deoxygenated means it has little to no oxygen but lot of carbon dioxide. |
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| 51865. |
Why magnet create a magnetic field |
| Answer» Because each and every magnet has its own field and when a magnet comes in a field of another magnet then that magnet feels a force that is either attraction or repulsion. | |
| 51866. |
Any 1 know what is the full form of CB nd Vb |
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Answer» Wow Conduction band(CB); Valence band(VB) |
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| 51867. |
Examples of oxidation redox and reduction |
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Answer» Mg + O2 = 2 MgO Redox : Na + O2 = Na2O |
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| 51868. |
What is lens? |
| Answer» A transparent material bound by two surfaces of which one or both surfaces are spherical ar called lens | |
| 51869. |
How metals are form ? |
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Answer» I am not asking how metals obtains . I am asking how metal form. Through electrolysis process. In this the metal separated from their ores. During electrolysis process the metal formed on cathode. So it is the real fact that metal r +ve and always attract toward _ve |
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| 51870. |
What makes a body to be living ? Please if you know then plezzz answer this ? |
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Answer» So, why a Child get die while that boy \'s parts and organs working very well. Okk PUMPING OF THE HEART AND CONTINOUS SUPPLY OF OXYGEN THROUGH BLOOD MAKES YOU LIVE |
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| 51871. |
What is difference between concentrated acid and diluated acid ? |
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Answer» Concentrated acid contains more proportion of acid in it, in comparision with water.Dilute acid contains more amount of water in it, if compared to the acid Thanku Dilute means solvent nd concentrate means solute. If u know the term solute nd solvent then u can understand |
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| 51872. |
Why Alcohol and glucose are not consider as acid while both have H+ ions ? |
| Answer» Glucose does not dessociate completely, i. e , it does not give all its H + ions , when it is added to water. | |
| 51873. |
Formula of plaster of Paris and gypsum |
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Answer» Yes , you are right , the formula of plaster of paris is CaSo4 . 1/2 H2O and gypsum is CaSo4 . 2 H2O Formula of pop is caso4.1/2h2o and gypsum is caso4.2h2o |
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| 51874. |
If all oxygen is removed from the earth ,what will happen?ans. a/c to class 10 |
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Answer» Is these ans. are a/c to 10 standard , I think a 2 class st. will tell this type of ans. Life existance will not be possible Then we will die Oh |
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| 51875. |
Why voltmeter is high resistance |
| Answer» Kya bat h | |
| 51876. |
What is chemial reaction |
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Answer» Whenever a chemical change occurs we can say that chemical reaction takes place. Reactions in which new substances are formed and they are irreversible in nature A reaction in which new substance is formed along with new properties |
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| 51877. |
Define saprotrophic holozoic and parasitic nutrition with examples. |
| Answer» Saprotrophic nutrition is that nutrition in which an organism obtains its food from decaying organic matter of dead plants, dead animals and rotten bread, etc.example is fungi.Holozoic nutrition is that nutrition in which an organism takes the complex food materials into its body by the process of ingestion, the ingested food is digested and then absored into the body cells of the organism. Example is Amoeba.Parasitic nutrition is that nutrition in which an organism derives its food from the body of another living organism without killing it. Example is plasmodium. | |
| 51878. |
What is thermite reaction?? |
| Answer» Reactions which are carried out by heat is called thermit reactions.For e.g. CaCo3 when heated we get CaO+CO2 | |
| 51879. |
While we are solving promblem on hypermetropic and myopic eye what sign will give for \'u\' & \'v\' |
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| 51880. |
Why do like charges repel each other ? |
| Answer» Because the properties of charges is that they attract to opposite charge .So | |
| 51881. |
What is him law |
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| 51882. |
Explanation for respiration |
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Answer» The process in which the intake of oxygen take place with release of energy The process of intake of O2 and and release of CO2 |
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| 51883. |
why does electric generator need fuel |
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| 51884. |
Name the important respectors and their function |
| Answer» Is it receptors?? | |
| 51885. |
What is the difference between acid ,base and salt? |
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Answer» ACIDS:\tThey are sour in taste.\tThey contain H+ ions.\tThey turn blue litmus red.BASES:\tThey are bitter in taste.\tThey contain OH- ions.\tThey turn red litmus blue.Salt\tMost of the salts are crystalline solid\tSalts may be transparent or opaque\tThe salt may be salty, sour, sweet, bitter and umami (savoury)\tNeutral salts are odourless\tSalts can be colourless or coloured\xa0 What is tissue Acid produce h+ ions when dissolve in water. While base produce oh- when dissolve in water. And salt is produce from neutralisation reaction |
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| 51886. |
Uses of convex and concave mirror |
| Answer» Convex mirror uses\tIn making lenses of sunglasses\tUsed in securities\tUsed in telescopeConcave mirror uses\tUsed in reflecting telescope\tUsed in front lights of car\tUsed marine lighthouse at marine ports\xa0 | |
| 51887. |
Why should we add acid in water for dilution not water in acid? |
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Answer» Mixing of water and acid is a highly exothermic process.when water is added to acid,due to small amount of water,evolved heat will change to vapour and acid will spill out and may cause injury. If we add water in acid it cause release of massive heat and like it exploit so we add acid in water |
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| 51888. |
Concept of centre of axis |
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| 51889. |
What is Flemings Left Hand Rule? |
| Answer» If the forefinger, second finger and thumb of left hand are stretched at right angle to each other, the forefinger points the direction of the magnetic field second finger in the direction of the current and thumb in the direction of the motion of the object (force) | |
| 51890. |
Postions of convex lens |
| Answer» At C | |
| 51891. |
Maximum topper girls hi q hoti h??? |
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Answer» Because girls interested in study and they are more serious in the time of study I think...its just bcz they are more sincere and responsible : ) |
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| 51892. |
What is acid, base and salt. Explain |
| Answer» Acids are sour in taste and change the colour of blue litmus to red. Example _ sulphuric acid. Base are bitter and change the colour of red litmus to blue. Example _ KOH. Salt are salty in taste and no change in litmus paper. Example _ NaCl | |
| 51893. |
Give functions of Hydrochloric acid? |
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Answer» It changes pepsinogen into pepsin IN STOMACH HCL KILLS THE HARMFUL SUBSTANCE AND ALSO MAKES AN ACIDIC MEDIUM FOR THE ACTION OF THE ENZYME CALLED PEPSIN. In stomach Hcl acid kills all the other unwanted organism which were enter into our body during ingestion |
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| 51894. |
Please show summary flow charts of bio |
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| 51895. |
What is the another name of meteors |
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| 51896. |
Explain the term short circuiting |
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Answer» When current can exceeds the given limit and fuse or MCB is not used then short circuit ocurrs The overload of a current in the circuit causes short circuit |
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| 51897. |
Properties of acid and base |
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Answer» A) acids disassociate H± ions on racting with water,,,,,,acids turn blue litumus to red,,,,,,acids react with metal to produce hydrogen gas,,,,,acids have pH value less than 7 B) bases disassoiate OH– ions on reacting with water,,,,,bases turn red litumus to blue,,,,,,bases also lroduce hydrogen gas when react with metals,,,,,they have a pH value more than 7 Base are OH- ions . They are bitter in taste What is rain water harvesting Acids are H+ ions Properties of acid are |
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| 51898. |
What is nutriation |
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Answer» nutrition is five types 1.engestion2.digestion3.absorption4.assimilation5.egestion The proces of intaking food and digesting it to produce energy for various works is called nutrition Nutrition is the process in which food is obtai in order to utilse it to provide energy for performing work. |
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| 51899. |
What is meant by double circulation? |
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Answer» I mean to it Our blood circulate twice from the heart which prevents the mixing of oxegenated and deoxegenated blood and provide sufficient amount of oxygen to ir In warm blooded animals like mammals and aves the blood crosses the heart two times in its whole pathway from lungs to body hence ot is termed as double circulation |
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| 51900. |
What is meant by Deliquescence? |
| Answer» When water molecules present in any compound can easily react and evaporate in atmosphere . Example - Na2 CO3 . 10 H2O gets deliquified and convert into Na2 CO3 | |