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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.
| 53001. |
Can you give me 5 example of combination reaction |
| Answer» Examples of combination reaction are....... 1. C+O2---------------------------------------->CO2. 2.CaO+CO2------------------------------------>CaCO3. 3.CaO+H2O-------------------------->Ca(OH)2+heat. 4.H2+Cl2------------------------------------------>2HCl. 5.2Mg+O2----------------------------->2MgO. | |
| 53002. |
What do u mean by mixed gland? |
| Answer» mixed gland mean . 1. a gland that contains both serous and mucous secretory units 2. a gland that is both exocrine and endocrine, for example, the pancreas. | |
| 53003. |
Why plants do not have a proper well defined transportation system |
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Answer» Pata hota to puchta hi kyun I don\'t know ,plz tell me |
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| 53004. |
Name component of food not digest ed in stomach |
| Answer» Fats and carbohydrate | |
| 53005. |
Write the energy conversion that takes place in a hydropower plant. |
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Answer» PE_KE...ME...EE Mechanical energy - kinetic energy - electrical energy Nahi pata |
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| 53006. |
Site of light and dark reaction of photosynthesis in chloroplast |
| Answer» The light reaction takes place in the thylakoid membrane. The dark reaction takes place outside the thylakoid membrane. | |
| 53007. |
When a cellreproduce, What happens to its DNA |
| Answer» W | |
| 53008. |
Information about human alimentary system in brief |
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Answer» **** Extend from mouth to ****..It is also called digestive tract Human alimentary system is a long passage with a narrow lumen extends from mouth to **** . In humans, it is approximately 9m long. It is also called gut |
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| 53009. |
How to work hydro pump |
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| 53010. |
If the focal length of a concave lens is 30 cm what is the power of the len |
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Answer» Its - 10/3 dioptre 1/30 dioptre. |
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| 53011. |
If the refractive index of diamond is 2.42 what is the speed of light in diamond? |
| Answer» 7.26×10^8 m/s. | |
| 53012. |
How many of you are sure thet you should get ? out of ? marks????? |
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Answer» In science?? Surely Me tooooo .. Pata nahi but ye sure hun ki 10 class se bahut kuch naya sikh ke jane wala hun I In which subject I |
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| 53013. |
Define AC (alternative current) generator |
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| 53014. |
Isomer of butane |
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| 53015. |
What is difference between geographical north and magnetical north? |
| Answer» Geographic north (also called "true north") is the direction towards the fixed point we call the North Pole. Magnetic north is the direction towards the north magnetic pole, which is a wandering point where the Earth\'s magnetic field goes vertically down into the planet. | |
| 53016. |
Explain digestion in human being |
| Answer» Digestion in human being starts from mouth and ends in **** the food particles is break down into the smaller particles in mouth and mix with saliva then it transferred to stomach there the the food particles converted into acidic ,then reches in small intestine other digestion takes place in small intestine ,in small intestine is there are finger like projection which absorb the digested food then undigested food is move on into large intestine where water are observed and then and it store , and then it passes from **** | |
| 53017. |
Why respiratory system is not able to working all similar function in our body |
| Answer» Because it a only respiration process was till abeduct without all one some | |
| 53018. |
Name one Bacteria which does Autotrophic mode of nutrition????? |
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Answer» Cyanobacteria or Blue-green algae Cyanobacteria and blue-green algae Blue green algae / cynobacteria or autotrophic bacteria.☺️☺️ |
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| 53019. |
What do we observe if lead nitrate taken in a test tube is added with pottasium iodide solution |
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Answer» K2No3 solution is formed and ppt of PbI2 PbI2 as yellow precipitate Pb(No3)2+2KI gives PbI2+ 2KNo3 |
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| 53020. |
Salivary amylase |
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Answer» An enzyme present in saliva that slightly breaks down the starch present in the food is known as salivary amylase An enzyme contains saliva is called salivary amylase An enzyme present in salivary gland |
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| 53021. |
How to find skeletal equation step by step as given in the science text book |
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| 53022. |
Bee sting contains |
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Answer» Formic acid Methanoic acid prevention ino solution should be rubbed Methanoic acid (formic acid) |
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| 53023. |
magnetic field lines in a current carrying conduter |
| Answer» The field lines created by a magnet around it from north pole to south pole are known as magnetic field lines | |
| 53024. |
list all male and female *** hormones in human with their origin site and funtions |
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| 53025. |
Why respiration known as exothermic reaction? |
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Answer» Because energy is released during this process Glucose is formed after digestion with oxygen in cells of our body qnd provides energy that we need to stay alive.The whole process is known as respiration and this process release energy that we use ...so in exothermic reaction energy is evolve in form of heat ...so respiration is also known as exothermic reaction. Because heat is emitted in the form of energy in the respiration |
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| 53026. |
A 60 W and 100 W bulb are joined in parallel with the mains which bulb glow brighter |
| Answer» 60 wHawing low R | |
| 53027. |
5 examples of singal displacement reaction |
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Answer» Examples of displacement reaction are1. Zn+CuSO4------>ZnSO4+Cu. 2.Fe+CuSO4------>FeSO4+Cu. 3.Mg+CuSO4------->MgSO4+Cu. 4.Zn+2HCl-------->ZnCl2+H2. 5.Zn+H2SO4------->ZnSO4+H2 Fe + CuSo4 = feso4 + Cu |
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| 53028. |
A 60 W and 100 W bulb are joined in parallel with the mains which bulb will glow brighter |
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| 53029. |
What is a oham |
| Answer» One ohm is the resistance of the conductor Whose potential difference across the conducor is 1 volt and current flowing through it is 1 ampere | |
| 53030. |
Full form of atp |
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Answer» ATP---> Adenosine tri phosphate Adenosine triphosphate A - AdinosineT - TriP - Phosphate |
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| 53031. |
State Ohms law . |
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Answer» According to ohm\'s law at a constant temperature the current flowing through the circuit is directly proportional to the potential difference and inversely proportional to resistance. I=V/R according to ohms law at a constant temp. the p.d. applied across a conductor is directly proportional to current flowing through the conductor |
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| 53032. |
What will happen if quick lime is added to water |
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Answer» When quick lime is added to water than there occurs a formation of lime water whit releasing a huge heat energu Slaked lime is formed which is Ca(OH)twice |
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| 53033. |
Mid term syllqbus |
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| 53034. |
What is Kirchoff\'s law? Explain with a diagramatic numerical. |
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| 53035. |
Compertment paper kab hoga |
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| 53036. |
How does the process of glycolysis takes place? |
| Answer» Firstly glucose is broken in form of pyruvate in cytoplasm which is stored as intermediate after which,.............. if it is anaerobic respiration is there than pyruvate will be broken down into ethanol and carbon dioxide,.............But if there is aerobic respiration than pyruvate will break down to form carbon dioxide and water,............In special cases in our muscle cells when they work very effecietly than they do anaerobic respiration breaking pyruvate into lactic acid. which accumulates inti cell causing muscle cramps | |
| 53037. |
Relate kwh and joule |
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| 53038. |
What happens when carbon dioxide is bubbled to lime water in small amount and in accss |
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Answer» Co2 + lime water = the lime water turns milky in colour Carbon Dioxide reacts with Lime water and turns milky A chemical reaction occurs and the lime water turns milky in colour Lime water turns milky in colour |
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| 53039. |
What are steropsis |
| Answer» the perception of depth produced by the reception in the brain of visual stimuli from both eyes in combination; binocular vision | |
| 53040. |
What is ruminants |
| Answer» Ruminants are mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions | |
| 53041. |
One example of an electrolytic decomposition reaction used in metallurgy |
| Answer» Breakdown of water into hydrogen and oxygen 2H2O-------->2H2+O2 | |
| 53042. |
Why glucose and alchole solution do not conduct electricity? |
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Answer» When sugar is dissolved in water, the solution does not conduct electricity, because there are no ions in the solution. Some substances that are made of molecules form solutions that do conduct electricity alcohol being a very weak acid doesnot dissociate into ions and so it doesnot conducts electricity. |
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| 53043. |
Compound formed after corrosion of iron, copper and silver and their colours |
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| 53044. |
State the function of the following in the ailimentary canal:1liver 2 crall bladder 3villi |
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Answer» 1. Liver secrets bile which emulsifies fats in the food and also make the food alkaline.2. Gall bladder stores the bile secreted by the liver and later forwards it to the small intestine.3. Villi increase the surface area and help in the absorption of the digested food. 1) Liver helps in seceretion of bile which further helps in emulsification of fat and providing alkalii medium for effective function of pencreatic enzymes2)Gall bladder helps in storage of bile from where bile is sent to small intestine fir its functions3)Villi helps to increase surface area for absorption of water from undigested food and neutriemts from digest ed food |
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| 53045. |
Explain the following terms with example. Oxidation reaction, reduction reaction |
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Answer» In oxidation- gain of Oxygen ,loss of hydrogen ,loss of electron.In reduction- loss of Oxygen, gain of hydrogen, gain of electron. Oxidation reaction- it refers to (1) loss of hydrogen (2) loss of electrons (3) gain of oxygen.Reduction reaction - it refers to(1) loss of oxygen(2) gain of hydrogen(3) gain of electrons. Zn+ CuSO4----->ZnSO4+Cu.here Zn is oxidised and Cu is reduced In oxidation reaction addition of oxygen and removal of hydrogen and reduction reation is just opposite to oxidation reaction In oxidation oxygen come ,co2was released & opposite in reduction |
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| 53046. |
Describe an activity to illustrate decomposition reaction by heating?? |
| Answer» Decomposition of calcium carbonate.CaCo3------->CaO + Co2. | |
| 53047. |
How to get photo copy of 10th science answer sheet |
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| 53048. |
Name the various types of salivary gland and their location also explain peristalsis movement |
| Answer» 1.paratoid gland makes serous secretions. 2.submandibular glands are mixed glands.They give serous and mucous secretions. 3.Sublingual glands makes mucous only. | |
| 53049. |
Balance the following chemical equaion1. Noh+n2so4_ no2so4+h2o |
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| 53050. |
Give me 15chemials name |
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