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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.
| 52951. |
Help to understand respitatory system |
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Answer» U can read from this app U can read from s chand there is whole explanation with diagrams that will let u to understand concept easily |
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| 52952. |
give the role of liver in human being |
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Answer» Liver secerets bile which further helps in (A) emulsifica of fat globules(B) providing aliali medium for proper working of pancre enzymes,.........................in extra bile also makes the colour of the feaces yellow I would like to correct vineet as liver secretes bile juice and pancreas secretes pancreatic juice Liver release pancreatic juice that helps our body to digest the food |
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| 52953. |
Very short question of 1st chapter |
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| 52954. |
Alunimum |
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| 52955. |
Why are food particle preferably packed in aluminium foil? |
| Answer» To avoid rancidity | |
| 52956. |
Why a combustion reaction an oxidation reaction? |
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Answer» Because the object which is burn is oxidised Because in combustion reaction oxygen is added |
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| 52957. |
What is the sole of oxidizing agent is a reaction? |
| Answer» A substance or compound which oxidise other substance or compound is known as oxidising agent . Answer of your question is - oxidizing agent is used to oxidize other substances or compounds | |
| 52958. |
Why does not silver evolve hydrogen on reacting with dil sulphuric acid? |
| Answer» This is so because silver is very less reactive. | |
| 52959. |
Why cannot a chemical change be normally reversed? |
| Answer» This is so because in a chemical change a new substance is formed. | |
| 52960. |
How life on earth depend on carbon? |
| Answer» Be every thing around us is made up of carbon | |
| 52961. |
What is lacteal |
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Answer» ? devil jin? why you have choosen this name Hi,Are you priyanshu ?? Have you changed your name?? A lacteal is a lymphatic capillary that absorbs fats in the villi of small intestine. |
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| 52962. |
Difference between living and non living |
| Answer» Living things (or organisms) require nutrition, i.e., nourishment and feeding. Non-living things do not require nutrition.Living organisms can reproduce new individuals to continue the Organism. Non-living things cannot reproduce.Living things show the process of metabolism. Metabolism is absent in case of Non-living objects.Living things can move bodily or show movement of parts of organs of their body in response to external stimuli. Non-living things never move on their own effort.Living organisms respond to external stimuli. Non-living things have no power to respond to external stimuli | |
| 52963. |
Differentiate between high blood pressure and low blood pressure |
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| 52964. |
Hydrogen is a which type of isotope ? |
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| 52965. |
List the important ways in which we can make a chemical equation more informative? |
| Answer» A chemical reaction can be made more informative by following ways....................... 1. By writing reaction conditions --> this includes temperature, catalyst, pressure....... 2. By writing the state of reactants and products --> that is solid,liquid or gaseous.... 3. By telling the rate of reaction --> that is whether the reaction is fast or slow.............. | |
| 52966. |
If the magnification of a body of size 1m is 2m what is the size of the image |
| Answer» 2 m | |
| 52967. |
What is peristalysis ? |
| Answer» The walls of oesophagus(food pipe) have muscles.when food is passed through it the muscle contract and relax to move the food forward.This process of rythemicity of muscle for the food to move forward in food pipe is known as peristalysis. | |
| 52968. |
Name the following hydrocarbons. Ch3-ch2-ch-ch-ch3 |
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Answer» C5H10 C5H9 |
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| 52969. |
Why protons are stable while electrons can move |
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Answer» Because nucleus is made by proton and nutron Protons are situated inside the nucleus and electron revolve around the nucleus |
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| 52970. |
What is current electricity??? |
| Answer» An electricity which flows in a conductor is called current electricity. | |
| 52971. |
Give 5 Example of Endothermic & Exothermic Reaction.? |
| Answer» Examples of exothermic reaction are ......... 1. C+O2------------------------------->CO2 + heat. 2. CaO+CO2--------------------->CaCO3 + heat. 3. CaO+H2O------------------->Ca(OH)2+ heat. 4. CH4+2O2----------->CO2+2H2O+heat....... Examples of endothermic reaction are..... 1. CO2+heat------------------------------>C+O2. 2. CaCO3+ heat-------------------------->CaO+CO2. 3. C+H2O+heat------------------------------>CO+H2. 4. Ca(OH)2+heat------------------------->CaO+H2O. | |
| 52972. |
Why we do balancing in equations ? |
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Answer» To satisfy the law of conservation of mass So that it must hold good the law of conservation of mass Becozz the total number of atom present in reactant & product are not equal. |
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| 52973. |
Differentiate between arteries and veins |
| Answer» Veins:carry blood from the tissues of the body back to the heartare usually positioned closer beneath the surface of the skinare less muscular than arteries, but contain valves to help keep blood flowing in the right direction, usually toward the heartwould collapse if blood flow stops.Arteries:carry blood away from the heart to the tissues of the bodyare usually positioned deeper within the bodyare more muscular than veins, which helps in transporting blood that is full of oxygen efficiently to the tissueswould generally remain open if blood flow stopped, due to their thick muscular layer. | |
| 52974. |
Why do like charges repel each other and unlike charges attract each other? |
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Answer» It is inherent property of the charge object No diffrent charges attract and same repel |
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| 52975. |
Name three things common is respiratory organs of all aerobic respiratory animals |
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Answer» #All respiratory organs are thin and delicate. #All respiratory organs are reachily suppulied by the blood capillaries. #all respiratory organs are thin walled.???? Fishes respirate by their gills I agree with lakshmi prajapati Fishes also do aerobic respiration so they are also aerobic respiratory animal s But fishes do not have lungs and lungs are a kind of respiratory organ Lungs , taking oxygen , reaction to produce energy |
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| 52976. |
Name the gas evolved when Zinc reacts with dil. HCl. |
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Answer» Hydrogen H |
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| 52977. |
What is sci2 |
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| 52978. |
Half syllabus of all subject |
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| 52979. |
Write the energy of conservation that take place in a hydro power plant. |
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| 52980. |
Define pancreatic juice |
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Answer» The digestive juice secereted by pancreas and contain various enzymes which helps in digestion of food.These enzymes work in alkali medium The clear alkaline digestive fluid secreatd by pancreas. |
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| 52981. |
Name an animal have single circulation and other animal having double circulation |
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Answer» താങ്ക്സ് Double ciculation in human& single circulation is fish. |
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| 52982. |
what is holozic respiration |
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Answer» Holozoic nutrition : Those organisms which does digestion inside the body.E.g. -> Human They engulf solid and breakdown it inside their body. Animals take in solid food and break down inside the body. This process takes place in these steps:Injestion, digestion, absorption, assimilation,egestion. Holozoic nutrition takes place in those organisms which take solid or liquid food through the mouth inside their body |
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| 52983. |
What if the dog, the cow or the man were asleep ? |
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| 52984. |
Draw the skech of circulatery system |
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Answer» I can post a photo here if here is an option to post photo ...but there isn\'t any option... How can we draw a sketch here????? |
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| 52985. |
Which fluid in the human body wets the internal organs |
| Answer» Lymph fluid in the human body wets the internal organs | |
| 52986. |
What is the formula of power |
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Answer» The formula for power is P=Work/time i.e. Js-¹ or J/s.But we have two formulas of power in the electricity chapter in class 10 and they are:-1.) P=VI2.) P=V²/R P=1/f (in m) & P=100/f (in cm) P=VI |
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| 52987. |
How many metalloids in modern periodic table? |
| Answer» There are 6 metalloids in Modern Periodic table or Boron, Silicon ,Germanium ,arsenic antinomy and tellurium. | |
| 52988. |
How many number of non metal in modern periodic table |
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Answer» Doste What is mass of oxygen There are 17 number of non metal in Modern Periodic Table. |
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| 52989. |
s i unit of magnetic field strength |
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Answer» Tesla or in short form t named after famous scientist Nicola Tesla Tesla (t). |
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| 52990. |
Draw the structure of propanone |
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| 52991. |
What is blood circulation? |
| Answer» The flow of blood in blood vessels is known as blood circulation. | |
| 52992. |
Why is nuclear fission reaction considered better than nuclear fusion |
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| 52993. |
Who can discover the science? |
| Answer» Me in my class daily. But it\'s Lil boring So subscribe my channel Factful Awareness | |
| 52994. |
How will you prepare washing powder from baking soda |
| Answer» NaCl+H2O+CO2+NH3--->NaHCO3+NH4Cl. NaHCO3--->Na2CO3,Na2CO3+H2O-------->. Na2CO3.10 H2O. | |
| 52995. |
Do acid have hydroxide ions? explain |
| Answer» Be all the acidic Compound r made up of hydrogen ions. So | |
| 52996. |
Compile your observation regarding metals in table 3.1 |
| Answer» i dont no | |
| 52997. |
Give a balanced equation for ion exchange reaction |
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Answer» Zn+H2SO4------->ZnSO4+H2 AgNO3+NaCl---->AgCl+NaNO3, here Ag+andCl-are ions which are exchanged |
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| 52998. |
What is a bolus |
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Answer» The form of food which is going to be swallowed from mouth is called bolus Making of food in mouth very simple through saliva which can easily go in a food pipe |
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| 52999. |
Solve equation 1/f =1/v + 1/ u 1/f = 1/80+ 1/(-20) |
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| 53000. |
What is the second name of atrium? |
| Answer» Aurricle | |