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InterviewSolution
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.
| 8051. |
Atom molecular mass |
| Answer» Molecular mass of the molecule: \xa0The sum of the atomic masses of all the atoms in a molecule of a substance is called the molecular mass of the molecule.\xa0Molecular mass - calculation: Generally we use relative atomic masses of atoms for calculating the molecular mass of 1 mole of any molecular or ionic substances.Example: Molecular mass of H2SO4Atomic mass of Hydrogen = 1\xa0Atomic mass of sulphur = 32Atomic mass of oxygen = 16Molecular mass of\xa0H2SO4 = 2(Atomic mass of Hydrogen) + 1 (Atomic mass of sulphur) + 4 (Atomic mass of oxygen)\xa0= 2×1 + 32 + 4× 16 = 98 u. | |
| 8052. |
What is the range of particles in colloid Suspension and solution |
| Answer» Colloidal solutions:\xa0Colloidal solutions are heterogeneous systems and have the size of dispersed particles lying between 1 nm-1000 nm (i.e. 10-9-10-6\xa0m).Suspensions:\xa0Suspensions are also heterogeneous system and have still larger particles. The size of particles present in a suspension is more than 1000 nm (i.e., >10-6m). These particles are either visible to naked eye or can be seen under a microscope.True solutions:\xa0True solutions are homogeneous system and have the size of dispersed particles less than 1 nm, i.e. 10-9. The particles of solute present in a true solution are either single molecules or ions and are homogeneously distributed throughout the solutions. | |
| 8053. |
Explain nitrogen cycle with diagram |
| Answer» how this possible | |
| 8054. |
If force=35 dyne, area=5cm^2,then pressure is how much |
| Answer» Pressure = F/A 35 dyne/5cm^2= 7 dyne/cm^2 | |
| 8055. |
What do u mean by sexual |
| Answer» The reproduction which takes place by the combination of special reproductive cells called \'*** cells\' is called sexual reproduction. | |
| 8056. |
What is mean by membrane biogenesis |
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Answer» Membrane biogenesis is the process of formation of cell membrane with the help of protein and lipid Membrane biogenesis is the process which involves the synthesis of cell membrane with the help of proteins and lipids. Endoplasmic reticulum is responsible for the synthesis of these membranes.Membranes synthesised by this process of membrane biogenesis help in dividing the cell into structural and functional compartments. Membranes of the cell altogether are called as endomembrane system. The endomembrane system includes different membranes suspended in the cytoplasm and the plasma membrane. |
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| 8057. |
Why do some people feel cold than others? |
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| 8058. |
Calculate the force of gravitation due to earth on a ball 1 kg mass living on the ground |
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| 8059. |
Define peptic ulecrs |
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Answer» Please science in hindi Peptic ulcers are open sores that develop on the inside lining of your stomach and the upper portion of your small intestine. The most common symptom of a peptic ulcer is stomach pain.Peptic ulcers include:\tGastric ulcers that occur on the inside of the stomach\tDuodenal ulcers that occur on the inside of the upper portion of your small intestine (duodenum) |
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| 8060. |
Which phylum among animal has the simplest organism |
| Answer» Porifera | |
| 8061. |
Kinetic energy ke 5 examples |
| Answer» \tA semi-truck travelling down the road has more kinetic energy than a car travelling at the same speed because the truck’s mass is much more than the car’s.\tA river flowing at a certain speed comprises kinetic energy as water has certain velocity and mass.\tThe kinetic energy of an asteroid falling towards earth is very large.\tThe kinetic energy of the aeroplane is more during the flight due to large mass and speedy velocity. | |
| 8062. |
What is the molecular mass of calcium carbonate???????? |
| Answer» The\xa0molar mass of calcium carbonate\xa0is approx 100.086g/mol. The first step of determining the\xa0molar mass\xa0is todetermine\xa0the chemical\xa0formula\xa0ofcalcium carbonate, which is CaCO3. Then, multiply the\xa0atomic mass\xa0of each element by the number of atoms in the\xa0formula.Ca-40C-12O-16CaCO3=40+12+(16×3)=40+12+48=100u | |
| 8063. |
explin with examplesi. atomic massii. mass numberiii. Isotopesiv. Isobars |
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Answer» (iii) Isotopes - Isotopes are atoms of the same element having the same atomic number but different mass numbers. For example -- All chlorine atoms contain 17 protons, so atomic no. Of all chlorine atoms is 17 . Now, some chlorine atoms have 18 neutrons whereas other chlorine atoms contain 20 neutrons. So, chlorine atom have mass numbers are 17+18=35 or 17+20=37 . Thus, chlorine has two isotopes i) Atomic number is the total number of protons present in the nucleus of an atom. It is also equal to the number of electrons for a neutral atom. Example, atomic number of sodium is 11.ii) Mass number is the number of protons and neutrons in the nucleus taken together. For example, mass number of sodium is 23 g/mol.iii) Isotopes are elements with the same atomic number but different mass numbers. Example, hydrogen has 3 isotopes - protium (1H1), deuterium (2H1) and tritium (3H1).iv) Isobars are elements which have different atomic numbers but the same mass number. They are different chemical elements. Example, iron and nickel, both have mass number 58, whereas atomic numbers are different.\xa0 (ii) mass number - The total no. of protons and neutrons present in one atom of an element is known as mass number. For example - Sodium element contains 11 protons and 12 neutrons, so mass number of sodium is 11+12=23 . |
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| 8064. |
1.what is stomata and write its three functions 2.write significance of mitosis |
| Answer» Stomata It helps in exchange of gases like carbon dioxide and oxygen.It helps transpiration process.Have guard cells for opening and closing.MitosisThe cell divison occur for the growth.Mother cell divides to form two identical daughter cells.The daughter cell have same no.of chromosomes.It helps in growth and repairing of tissues.Cell included are calles somatic cells. | |
| 8065. |
How can I find number of atom of any compound? |
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Answer» What is the no. of atom in 18g of H2O Number of atom=no. Of protonsIf the protons are given then you will get the atomic number...Example........carbon atom have 6 protons ,so its atomic number is also 6. |
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| 8066. |
Defining the atomic mass of atoms |
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Answer» Atomic mass =no.of protons+no.of neutrons The atomic mass is the mass of an atom |
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| 8067. |
What are the different types of phylums |
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Answer» Phylums in animal kingdom Eight type of phylum No this is wrong answer There are five phylum 1phylum Monera, 2 phylum Protista, 3 phylum fungi, 4 plantae ,5 Animalia At last I hope it helps you |
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| 8068. |
What is symbiote relationship give two examples of symbiosis |
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Answer» Symbiotic relationship is a mutual relationship between specific group of fungi and alga where they cooperate with each other and depend on each other for their survival.....Ex-Lichens(Fruticose lichens),venom etc.... Lichen and venom |
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| 8069. |
What is sound????????????????? |
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Answer» Sound is fome of energy Sound is a form of energy which can produce the sensation of hearing Sound is a type of energy. Sound travels in the form of wave from one place to another.Sound is produced because of the vibration of any object. In other words, when an object is vibrated it produces sound. Energy Sound is a pressure wave which is created by a vibrating object. |
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| 8070. |
How the chemical formula of carbon tetrachloride is formed ?? |
| Answer» Carbon tetrachloride, also known as tetrachloromethane, is a chlorate solvent used as cleaning agent and as a solvent in the production of resins and coats.Formula and structure: The carbon tetrachloride chemical formula is CCl4 and the molar mass is 153.81 g mol-1. The structure is tetrahedrical with one carbon atom at the center and 4 chlorine atoms bond to this atom. It can be a crystal at temperatures below -47 ºC. Its chemical structure can be written as below, in the common representations used for organic molecules. | |
| 8071. |
Calculate the formula mass of = Aluminium Sulphate |
| Answer» Gram molar mass of Al2(SO4)3 = (2 x 27) + [ 3 x (32 + 64)] = 342 g 1 mole of Al2(SO4)3 weighs = 342 g Hence, 0.5 mole of Al2(SO4)3 will weigh = 342 x 0.5 = 171 g | |
| 8072. |
who are aliens |
| Answer» Extraterristrial life which does not originate from Earth. | |
| 8073. |
What are the isotopes of OXYGEN?? |
| Answer» Isotopic forms of Oxygen – Oxygen -16, Oxygen -17, Oxygen -18 | |
| 8074. |
Who was J.J Thomson |
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Answer» A scientist Sir Joseph John Thomson was an English physicist and Nobel Laureate in Physics, credited with the discovery and identification of the electron, the first subatomic particle to be discovered. |
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| 8075. |
On what factor does the gravitational force between two object depend |
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Answer» Gravitational force between two bodies depends on:1. Masses of the two bodies.\xa0The\xa0greater\xa0an object\'s\xa0mass, the\xa0greater\xa0its\xa0gravitational\xa0force.2. Distance of separation between them. The smaller the distance greater is the gravitational force. Gravitational force between two object depend on square of distancee between objects and masses of the object. |
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| 8076. |
Calculate the work required to be done to stop a car of 1500kg moving at a velocity of 60km/h |
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Answer» Mass of car= 1500kgVelocity=60 km/h =60^5/18 =16.67m/sKE=1/2×mv² =1/2×1500×16.67×16.67 = 208416 j =208.4 kjSo the work need to stop the car is 208.4 kj . Mass of car, m = 1500 kgvelocity, v = 60 km/h = {tex}60 \\times \\frac{5}{18}=16.67\\ ms^{-1}{/tex}Kinetic energy possessed by the car = {tex}\\frac{1}{2} mv²{/tex}⇒ KE = {tex}\\frac{1}{2} \\times 1500 \\times 16.67^2=208416.7\\ J=208.4\\ kJ{/tex}To stop the car, we have to make the KE of car 0. So the work need to be done is 204.4 kJ.\xa0 |
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| 8077. |
Full form of ODD |
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Answer» Oppositional defiant disordder Same as angel vijay Oppositional Defiant Disorddr |
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| 8078. |
Difference between poriferans and coelnterates |
| Answer» Poriferan animal differ from coelentrates animal in following aspects :-amimals from porifera show cellular level of organisation ,while those from coelentrata show tissue level of organisation.-in porifera there is no division of labour ,while in coelentrate some division of labour is seen.-poriferan do not have coelom ,while coelentrates have coelom | |
| 8079. |
Annelid and arthropods 2 example |
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Answer» Annelid = earth worm , round worm and arthropods= butterfly and dragonfly Annelid : earthworm and leech Arthropods: mosquito and spider |
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| 8080. |
What is surplus |
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Answer» An amount that is extra or more than you need Surplus is the excessive amount of production produced by the farmers. Farmer’s excessive production is sold in the market and the profit is gained. This profit is called surplus. |
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| 8081. |
Define digestion |
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Answer» The conversion of complex substances into simpler substances . It is in the simple language ? Digestion: the process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called\xa0digestion.\xa0orDigestion: Digestion is the process by which food is broken down into simple absorbable substances. Digestion of food takes place in the digestive system. Digestive system is made up of alimentary canal and associated glands. |
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| 8082. |
Why pressure exerted by the solid and fluid are different |
| Answer» It is because fluids exert pressure in all directions where as solids exerts ptessure in downward direction | |
| 8083. |
What are notochords ? Write it\'s function. |
| Answer» a cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals. Functions are given below:◆ Define primordial axis of the embryo◆ provides rigidity to the embryo◆ indicates the future sites of the vertebral bodies/column | |
| 8084. |
State the law of inertia plz send me I am from karnataka and do any body know kannada |
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Answer» Thank you rajiv .. priya.. for the answer Inertia is that property of a body due to which it resists a change in its state of rest or uniform motion Law of inertia, also called Newton\'s first law, postulate in physics that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force. |
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| 8085. |
How we can find out the centripetal force between moon and earth? |
| Answer» Please answer this question | |
| 8086. |
Working of human ear |
| Answer» The pinna collects the sound waves from the surroundings and sends it to ear canal. The ear canal sends the sound waves to the ear drum and send it to middle ear. The hammer, anvil and stirrup amplify the sound waves and send it to cochlea. The cochlea receives the vibrations and convert it into electric impulse and send it to auditory nerve. The auditory nerve sends these waves to the brain.\xa0 | |
| 8087. |
What is an ions |
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Answer» The charge on a body is mainly called ions. The charged species are known as ions. |
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| 8088. |
In which reaction is break and why |
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| 8089. |
What is avogadro number what its value |
| Answer» (i) Avogadro’s number is the number of paticle(atoms , ions or molecules) constituted in 1 mole of substanceValue of Avogadro’s number = {tex}6.022 × {10}^{23}{/tex} | |
| 8090. |
What is letter room |
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| 8091. |
Calculate the number of molecules of P4 in the Phosphorus (given 31 AMU) |
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| 8092. |
Define one mole . How it is related to avogadro number |
| Answer» Mole is defined as any substance that contains elementary entities (atoms, molecules, ions) as there are atoms in 12 grams of pure carbon-12 (isotope of carbon with atomic weight 12). This equals to Avagadro’s constant equal to value 6.023 × 1023. | |
| 8093. |
20n force 40n weight find mass and acceleration |
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Answer» 20n 20n |
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| 8094. |
What is FYM ? |
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Answer» Farm yard manure Farmyard manure (FYM): It is the decomposed mixture of cattle excreta (dung) and urine along with litter and leftover organic matter such as roughage or fodder. The waste materials are collected daily from the cattle shed and stored in a pit for decomposition by the microorganisms (bacteria and fungi etc.). FYM contains nitrogen, phosphorous and potassium. Farm yeard manure |
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| 8095. |
What is FYM? |
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Answer» Farm yard manure Farm Yard Manure . Fomi yeid manure |
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| 8096. |
Why needle can swim on water |
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Answer» Needle cannot swim in water Needle can swim on water because the weight of needle is less than the weigth of water displayed by needle |
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| 8097. |
What is the difference between porifera and coelenterata? |
| Answer» Porifera:- The work porifera means organisms having holes. These are non motiles animals combined to some solid support. There are holes of ‘pores’, on the whole body. These causes a canal system that helps in circulating water throughout the body to bring in food and oxygen. These animals are covered with a hard outside layer or skeleton. The body texture involves quite minimal differentiation and division into tissue. They are generally known as sponges, and are generally present iin marine habitats. Euplectelea, sycon and spongilla are some examples of porifera.Coelenterata:- These are animals found in water. They show large body design differentiation. There is a cavity within the body. The body is formed of two layers of cells: one forms cells on the outside of the body, and the other forms the inner lining of the body.Some of these species found in colonies (corals), whereas others have a solitary like – span (hydra).Jellyfish and sea anemones are examples of Coelenterata. | |
| 8098. |
What are contributory cause of disease |
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Answer» (a)Poor health due to lack of eating good nutritional food.(b) poor economic condition,prsonal hygiene,lack of cleanliness.(c)change in genetic condition and direct or indirect contact with diseased person which should be communicable disease. Contributory causes of disease are :(a) Poor health due to lack of good nourishment.(b) Poor hygiene condition, economic condition due to which one does not get proper and sufficient food.(c) Genetic difference which make some people more prone to disease than others. |
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| 8099. |
GIVE. THE. DERIVATION. OF. KINETIC. ENERGY. |
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Answer» Let body is rest. u=0 , using third law of motion v²-u²= 2 as. V²= 2f/ms. 2mv²=kE book H |
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| 8100. |
About tissue |
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Answer» A group of cells which do a specific function comes together and forms tissue. A group of cells that performs a particular function is known as tissue No.of cells which perform specific functions are called tissues. |
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