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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.
| 66901. |
Describe zero error |
| Answer» Zero error is a technical term, which means how far away from zero is the reading of the insrument when the real value is known to be zero. It can be either positive or negative. | |
| 66902. |
differentiate b/w cathode and annode |
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Answer» Cathode is having -ive charge while anode is having +ve charge The main diference is that from anode electricity enters and from cathode it exits. |
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| 66903. |
What per cent of solar energy falling on the leaves is absorbed by the plants during photosynthesis |
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Answer» 1 prcent And then 10% in next consicutive levels of food chain 1 percent |
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| 66904. |
Different between reflec action and walking |
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Answer» Automatic and sudden response to stimulus by spinal cord which occurs unknowingly. Reflex action r controlled by spinal cord whereas walking is by brain The main differnce is that.........there have no role of brain in reflex action on the other hand walking is controlled by brain |
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| 66905. |
Which gas are collected on cathod and annod |
| Answer» Hydrogen in cathode and oxygen in anode | |
| 66906. |
Cbse chapter wise blue print |
| Answer» U can get it frm google.. | |
| 66907. |
How to make dot structure of alklyne when value of n is 3 |
| Answer» | |
| 66908. |
Why distilled water only to check solubility in water of various salt???? |
| Answer» As it is the purest form of water and so the accurate solubility can be known | |
| 66909. |
What is ranicidity |
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Answer» Rancidity term means is spoilage of food and change thetest , smell and state of food. It refers to the spoilage of a food in such a way that it becomes undesirable (and usually unsafe) for consumption. Oxidation of fats, generally known as rancidity, is caused by a biochemical reaction between fats and oxygen. |
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| 66910. |
What is meant by alloys? |
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Answer» An alloy is a homogeneous metallic solution composed of two or more elements. One of the elements in the alloys is essentially a metal, while the other element or elements may be metals, or non-metals like carbon, silicon, sulphur or boron.Alloy = Metal + metal/non-metalAlloys are harder and tougher than the base metal\xa0and are resistant to corrosion. They are inert to commonly used chemicals\xa0and are magnetisable and ductile.\xa0 a metal made by mixing two types of metal together Homogeneous mixture of two or more elements. |
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| 66911. |
What is meant by dialysis |
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Answer» \tIf one kidney is damaged or removed, then the other kidney alone can fulfill excretory needs.\xa0\tHowever, the failure of both the kidneys allows urea and other wastes to accumulate in the blood.\tSuch a patient undergoes dialysis.\tIn dialysis, an artificial kidney is used. It is a process used in seperating waste materials out of the blood of the people with damaged kidneys. |
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| 66912. |
What is magnetism in medicine |
| Answer» magnetism in human beings caused by the two organs:HEART and BRAINIt is used in human beings for MRI and X-RAY | |
| 66913. |
Is phenopthaline is an acid? |
| Answer» Phenolphthalein is an indicator of acids (colorless) and bases (pink). Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to the phenolphthalein in beakers 2 and 4, it turned pink (top half of the graphic). | |
| 66914. |
Name of all salts in syllabus... Chapter acids and bases and salts |
| Answer» Baking soda Caustic soda Common saltBleach powderWashing sodaPlaster of paris | |
| 66915. |
Why swimming pool appears blue..? |
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Answer» This is because of the way the molecules in water absorb the light.We know that sunlight is white and is made up of all the different colors of the spectrum.When the light falls on water, these molecules present in water absorbs light from the red end of the spectrum.By taking out the red it means that the light that gets reflected from the water is slightly blue (since blue colour has more dispersion, this colour will be left)The same thing happens even under artificial lighting, and the deeper the pool is, the bluer it will look. Due to the atmospheric refraction |
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| 66916. |
Write the principal of solar cooker.. |
| Answer» It works on principle that the black surface absorbs more heat as compared to other surfaces. | |
| 66917. |
What is chlro alklaine process |
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Answer» The chlro alkali process is a process in which brine (aqueous solution of sodium chloride )is electrolyte to form caustic soda (sodium hydroxide ) .In this hydrogen and chlorine gas are evolved in which hydrogen attract towards cathode and chlorine attract towards anode It is the process of electrolysis of NaCl to form chlorine gas, hydrogen gas and sodium hydroxide The chloralkali process (also chlor-alkali and chlor alkali) is an industrial process for the electrolysis of sodium chloride. Bt chlor alkaline no idea |
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| 66918. |
Came |
| Answer» | |
| 66919. |
What is the number of receptors in the retina..? |
| Answer» Million | |
| 66920. |
Name the part of eye which act like a photographic film..... |
| Answer» Ratina | |
| 66921. |
What is choroid.....? |
| Answer» Choroid is a thin layer near retina and it is about 0.2mm | |
| 66922. |
What is galvanisation process? |
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Answer» Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The process of applying zinc coating over steel or iron to prevent corrosion... It is a process of applying a zinc coating over iron or steel to prevent corrosion, i.e. rusting.... process of applying a protective zinc coating to steel or iron, to prevent rusting. ............... |
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| 66923. |
What is Autonomic Nervous System? |
| Answer» Autonomic nervous system in human body is the part of peripheral nervous system that regulates key involuntary functions. The Autonomic Nervous System regulates:\xa0*Muscles in the skin, around blood vessels, in the eye, in the stomach, intestines and bladder and the heart *Glands\xa0The ANS is comprises of three parts namely: The sympathetic nervous system, The parasympathetic nervous system, The enteric nervous system | |
| 66924. |
Differnce b/w butter and cooking oil |
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Answer» Butter is a saturated compound whereas oil is an unsaturated compound. They can be tested by bromine water test. Here the unsaturated compound will turn the bromine water colourless It can be tested by addition reaction |
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| 66925. |
Describe female reproductive part of humab |
| Answer» Female reproductive organ...1.overy2.Oviduct (fillopian Tube)3.uterus4.******Overy release female *** gamete i.e. Ova.Oviduct is a passage into which fertilisation takes place.uterus is the place were the fertilised zygote after becoming embryo planted into this uterus.****** is the passase through male reproductive organ enters to relese male gamete into female reproductive organ.Www.baamaasbeta.blogspot.com | |
| 66926. |
Explain lymph? |
| Answer» Lymph also known as tissue fluid consists of plasma and few cells that escape from blood vessels.It carries extra tissue fluid through lymph vessels that open at large veins. | |
| 66927. |
Why is small intestine in herbivores longer than in carnivorous |
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Answer» Because the digestion of cellulose take a longer time because the enzymes produced by the ruminant bacteria that live in the gut of the hervivores. Longer small intestine ensure that the food stay for a longer duration and proper duration is possible. Because they have to digest cellulose which need longer small intestine |
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| 66928. |
Why voltmeter connected in parallel? |
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Answer» In parallel connection, Voltage is Constant Because voltage of series resistors is same ....and voltage of parallel resistors are different.. |
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| 66929. |
How does menstruation occur after tunectomy |
| Answer» After a tubal ligation female ovaries release and egg each month there is just no place for it to go and she will continue to have period as before . The egg have a limited life and if not fertilised they are recycle. During menstrual flow only the living of the uterus comes out not the egg. | |
| 66930. |
Name the conducting tissue of plants which is made of sieve tubes alongwith companion cells |
| Answer» It\'s Phloem tissue......Phloem is the conducting tissue that is made of sieve tubes along with companion cells.... It transports food materials from the leaves to other plant parts.... | |
| 66931. |
What is mean by copper pyravate |
| Answer» Copper pyrite is an important ore of copper Chemical name (copper iron sulphide )Chemical formula CuFeS 2It mainly occur in the form of brass yellow crystals | |
| 66932. |
Why tyndal effect is not obserbed in vaccum? |
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Answer» Because dust particals are not present in vacuum For the tyndal effect there is neccessity of particle by which light will scatter but in vaccum as there is no particle means no scattering of light this implies No TYNDAL effect is obserbed in vaccum. |
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| 66933. |
Tell me what is placenta |
| Answer» It is a part of female reproductive system in placenta the material inside the woman body and provide nutrients to the womb and protected the womb. | |
| 66934. |
Give reasons? |
| Answer» For what??? | |
| 66935. |
Difference between trypsin and pepsin enzymes |
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Answer» Pepsin is present in gastric juice but trypsin is present in pancreatic juice Pepsin is an enzyme which acts only in acidic medium ,trypsine is an enzyme which acts in alkaline medium. pepsin is secreted by gastric juice, trypsin secreted by pancreatic juice. Pepsin is secreted in stomach, trypsin is secreted in small intestine. Pepsin is situated in gastric glands, trypsin is situated in pancreas. |
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| 66936. |
Indicator for testing acid and base |
| Answer» Ph paper or litmus solution or universal indicator....these 3 can b used | |
| 66937. |
How can we identify whether a person is having press byopia? |
| Answer» When he cannot see far off and distant object clearly and distinctly | |
| 66938. |
Give reasons for declining of groundwater? |
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Answer» Gradually decreasing of layers of water is due to following reasons1.excessive use of water2.wastage of unnecessary water3.over exploitation due to increasing population4.carelessness in saving rainwater or water from other sources5.lack of influenceness for saving water in local or village area Excessive use of water, frequent pumping of water Over exploitation |
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| 66939. |
what is inertia ??? |
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Answer» Inertial is the property of any object which always tend to be in that position in which it is.If it is in rest it want to be in rest or if it is in uniform motion it want to be in motion. No the physical force that keeps things where they are or keeps them moving in the direction they are travelling It is state of object of being in its movement or remain unlocomotive ...untill the outward force is applied |
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| 66940. |
What is full form of PEN |
| Answer» Primary endospern necules | |
| 66941. |
Inherited |
| Answer» Those characters which are we get from our parents by genetically are called inherited. | |
| 66942. |
What are sign conventions of concave mirror and lens and convex mirror and lens |
| Answer» See from ncert pg168 topic given | |
| 66943. |
Name the most important and largest part of the brain..?? |
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Answer» Thanks Cerebrum in hind brain Cerebrum is largest and important part of brain |
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| 66944. |
What are the function of lymp in our body? |
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Answer» Lymph is a fluid connective tissue. They fight against diseases because they have WBC and traps microbes. They maintain body volume. It carries digested absorbed fats from intestine. It supplies mature lymphocytes to the blood. It plays an important role in returning plasma proteins to the bloodstream. Lymph helps in removing the waste product. It drains excess fluid from extracellular space and back into the blood. These are the few functions of lymph in our body. It use to transfer nutrient the cell where blood can not reach |
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| 66945. |
The resistance of a conductor is directly proportional to? |
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Answer» The resistance of a conductor is directly proportional to length of the conductor and inversely proportional to the cross sectional area of conductor R dpt* l/aR=rl/a(dpt : directly proportional to)(r : Rho) Length and area Length Length Right ans ......length of the wire Cross section area |
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| 66946. |
Why calcium float at water |
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Answer» When calcium is added to water in a tank it reacts and evolves hydrogen gas. Then this hydrogen sticks to calcium at top and stops floating. This process is known as froath floatation. Hydrogen is very light gas When calcium comes in contact of water it reacts with water and evolve hydrogen gas.,that gas gets stick to calcium and it starts floating |
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| 66947. |
Which inorganic gases causes global warming |
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Answer» ......Bansal bro ...carbon monoxide, carbon dioxide, carbonates, cyanides, cyanates, carbides, and thiocyanates.are some gases cause global warming...... Bansal bro..... Carbon monoxide CO2 Co2 |
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| 66948. |
What is joule\'s heating effect? Tell |
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Answer» Question---Is energy is proportional to resistance or not .Bcoz H=I^2Rt and H=V^2t/R Sorry wrong likh dia :- according to this law registered jo heat produce karte hain wo 3 cheez pe depend karta hai According to this law registered heat produced but there within 30 per depend karta hai or heat produced in resistor is :- 1) current 2) resistance 3) time When current is pased thru a conductor of a resistance the electrical energy get converted into heat energy. |
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| 66949. |
Why the conversion of ethanol to ethanoic acid an oxidation reaction??? |
| Answer» As loss of Hydrogen is oxidation so, the reaction is an oxidation reaction. Similarly, in second step a Oxygen atom is added to form ethanoic acid from ethanal. ... Since the conversion of ethanol to ethanoic acid involves the addition of oxygen to ethanol, it is an oxidation reaction | |
| 66950. |
We would like obtain an image in concave lens with erect image |
| Answer» Place the object between pole and focus the image is virtual,erect and enlarge | |