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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.
| 57351. |
What is selective reabsorption? |
| Answer» When after the absorption in nephron there is again reabsorption in DCT and this reabsorption is mainly of glucose ammino acid etc .THIS IS CALLED SELECTIVILY REABSORPTION | |
| 57352. |
Plants do not have any nervous or muscle tissue,still they have ability to sense touch.How??? |
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Answer» Which is by swelling or shrinking Plants also communicated they use electrical-chemical means to convey this information from cell to cell. They do not have any specialised tissue for the conduction of information. Instead of the specialised protein found in animals they change shape by changing amount of water |
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| 57353. |
Explain ionic compound |
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Answer» Mutual sharing of electron between elements or atoms are called ionic compounds Ionic compounds always form double covalent bond |
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| 57354. |
Define Puberty ? |
| Answer» The age bw 10 to 18 | |
| 57355. |
Give a chemical test to distinguish between Lead nitrate solution and zinc nitrate solution |
| Answer» | |
| 57356. |
Name the animal which have blue blood |
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Answer» Octopus is the animal which have blue blood Octopus Octopus |
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| 57357. |
Give a schematic diagram to show absorption of water through root hair? |
| Answer» See on Google webpage | |
| 57358. |
Explain the electro dot structure in CO2 |
| Answer» Lewis structure of CO2Print Friendly and PDFStep method to draw lewis structure of Carbon MonoxideC:4O:6x2=12Total=16Step2: Find octet e- for each atom and add them together.C:8O:x2=16Total=24Step3: Gives you bonding e-. Subtract step 1 total from step 224-16=8e-Step 4: Find number of bonds by diving the number in step 3 by 2(because each bond is made of 2 e-)8e-/2= 4 bond pairsStep 5: Find the number of nonbonding (lone pairs) e-. Subtract step 3 number from step 1.16-8= 8e-=4 lone pairsUse information from step 4 and 5 to draw the lewis structure.Carbon goes in the centre | |
| 57359. |
Name a hormone which is known as milk prducing hormone |
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Answer» Oxytocin prolactin |
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| 57360. |
What is the importance of ph in our body |
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Answer» Short description for this is given here -PH maintains our acidic and basic strength of body There are many uses of Ph in our life.1)when the production of HCL in our stomach increases,it causes ulcer in inner lining of stomach .All this is due to the ph because the PH of HCL is very less.so,in order to protect our stomach we should drink water because it makes the concentrated HCL into dilited HCL and feel relief.2)when honey bee cuts us , it injects methanoic acid in our body whicj has also very less PH value.In order to get relief ,we have to wash our infected part because soap is a base and neutralises methanoic acid. Hormone |
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| 57361. |
what is ph of our body |
| Answer» About 7.4 according to N. C. A | |
| 57362. |
Term i in term of no of electron |
| Answer» 1.6×10power -17 | |
| 57363. |
What is the role of hypothalamus in our brain |
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Answer» Role of hypotamuluos is that they were control the body temperature The role of hypothalamus :- this part controls the body temperature , urge of eating , drinking, etc |
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| 57364. |
What is AC and DC? |
| Answer» Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket. | |
| 57365. |
What are the amphoteric oxides in non metal .Name |
| Answer» Amphoteric oxides in non metals are when they noth acidic and basic in nature | |
| 57366. |
What s atom |
| Answer» The smallest particel of matter is called atom | |
| 57367. |
When Aluminium Sulphate dipped in copper water Aksh and produce |
| Answer» | |
| 57368. |
Where the water digest in our body |
| Answer» Stomach | |
| 57369. |
Explain digestive system |
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Answer» ? when food enters through our mouth then salivary enzyme act on it and break down into simple sugar ...then it enters the food pipe and goes into stomach.....hcl mucus and pepsin acts on it according to their functions and then food enters into small intestine throgh sphincter muscle...but between them bile juice from liver and trypsin lipase amylase act according to their functions .....then it enters small intestine and then to large intestine |
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| 57370. |
How can we learn chemical symbols |
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Answer» By reciting upto first 30 elements everyday Through your mind |
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| 57371. |
What is electron. |
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Answer» Electrons are the negatively charged particles which are present in an atom as a subatomic particle Which contain negative carged ion Electron is a negtively charged ion |
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| 57372. |
What are plant hormons |
| Answer» Plant hormones are also known as phytohormones ,which help in survival of plants in their surrounding s | |
| 57373. |
Whai is the advantages of four chambered of heart |
| Answer» It prevent from mixing of O2 blood to Co2 blood and main importance in double circulation | |
| 57374. |
In wich food starch |
| Answer» | |
| 57375. |
What is froth floatation |
| Answer» Froath flotation process Crushed ore is vigorously agitated by a blast of air with water and a little pine oil.If ore contains sulphides like Pbs, ZnS, CuFeS2 then these sulphides are wetted by pine oil forming the froath on the surface which is skimmed off.Sand and other rocky materials remains at the bottom of the tank. | |
| 57376. |
What is feedback of mechanism |
| Answer» The hormone secreted on time | |
| 57377. |
Difference between electric circuit and conducter |
| Answer» Electric circuit is composition of various components as conductor or resistor, bulb while conductor is componentof circuit and conduct electricity. | |
| 57378. |
Define ozone layer |
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Answer» a layer in the earth\'s stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun Layer of triatomic oxygen gas which is situated in stratosphere and prevent in trance of UV rays that is released by sun |
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| 57379. |
Explain motor |
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Answer» Mechanical energy to electricity Device that converts electric energy into machanical energy |
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| 57380. |
What is Mixture |
| Answer» Combination of two or more substances is known as mixture | |
| 57381. |
Derivation of mirrior formula |
| Answer» I/f =1/u -1/v | |
| 57382. |
What are receptors? |
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Answer» Thermo receptors - skin, phono receptors- sound and hearing, photo receptors- eye or vision.. Etc..... The sense organs Receptors are those organs which receive stimulus from the external environment such as photoreceptors , gustatoreceptors etc. *²+2-*² |
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| 57383. |
cbse ka 2015 ka questions chahiya |
| Answer» Han | |
| 57384. |
What are organic acids and inorganic acids? |
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Answer» Organic acid is a eatable acid e,g citric acid but inorganic acid is not a eatable acid eg hydrochloric acid Organic acids are natural acid e.g.,latic acid in curd .Inorganic acids are manmade acids e.g., hydrochloric acid. |
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| 57385. |
question related to control and coordination class 10 NCERT |
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Answer» Reflex action is quick and controlled by spinal cord while walking is slow and controlled by brain .In synapse electrical impulse changes into chemical impulsePonsThe role of brain is to analyse the action. What ia a difference between reflex action and walking ?What happen at synapse between two neurons?Which part of brain maintains posture and equilibrium of the body?What is the role of brain in reflex action |
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| 57386. |
What is decompsition reaction |
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Answer» When a compound is break up into two or more substances are known as decomposition reaction Decomposition reaction is the reaction in which a compound splits up into two or more compounds by the action of heat, light or electricity. It is a decomposition reaction The reaction in which more reactive metal displaces less reactive metal When an element xyz is distributed in x+y+z |
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| 57387. |
Explain the function of cilia. According to 1 marks question??? |
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Answer» Mr. Sunit kya aap muje bata sakte h . Ki aap muje kyo nahi bataenge.?? It is again like structure which helps movement Jao nahi bataenge It helps in the movement. |
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| 57388. |
Oesophagus have gland and enzymes. Explain its function? ? |
| Answer» It have no gland and no enzyme it is a tube like structure which is used for transportation of food from buccal cavity to stomach | |
| 57389. |
How deserted plant get respiration |
| Answer» In desert plants the stomata open at night. They take in carbon dioxide at night, and is stored in the form of an intermediate which is used during day for photosynthesis (When the stomata are closed).Also, chlorophyll of the plant are located in the stem as levesare reduced to spines and stem takes the function of photosynthesis. | |
| 57390. |
Whst is HIV |
| Answer» Hiv is virus which cause aids human imuno defficiency virus | |
| 57391. |
Who invent the galvanometer |
| Answer» Johann Schweigger | |
| 57392. |
Name the ores of following metals:-IronCopperSilverMercuryAluminiumManganeseMagnesium |
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Answer» Murcury-cinnabar Aluminium- bauxite Copper - cuprite or copper glance , aluminium - bauxite , magnesium - dolomite and epsom salt |
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| 57393. |
Who gives the ohm law |
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Answer» Gaurav Bhai mujhe pata tha bas Maine aise hi post Kara tha Bittu Bhai Thora tamij me German physisct Sir Georg Simon Ohm Pehle book dhan se padh German physicist Sir George Simon Ohm Aur ha kvi ncert v khol kae dekh liya kro.? |
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| 57394. |
What is iron |
| Answer» Iron is a chemical element. It\'s symbol is fe. It\'s atomic number is 26. It is the fourth most common element in earth\'s crust. | |
| 57395. |
How can we balance the equation : Ca + HNO3 → Ca(NO3)2 + H2O |
| Answer» Friend, your equation has a mistake. In the reactant, CaO is reacting with HNO3 and you wrote only Ca. Now the balanced equation for this will be: CaO+2HNO3-->Ca(NO3)2+H2O. Here, NO3 is assumed to be one element. | |
| 57396. |
How does earthing? |
| Answer» When high amount of electricity is supplied to an equipment, then it can blast. This high amount of electricity may be supplied by technical failure. To prevent this, a wire is dug inside the earth by which high amount of electricity will be absorbed by earth as earth can absorb infinite number of electrons in it. This process is known as earthing. | |
| 57397. |
What is Aurora borlias |
| Answer» | |
| 57398. |
Why lime water turns milky when co2 gas is passed through it |
| Answer» Carbon dioxide passed into limewater gives a milky solution and suspension of calcium carbonate formed:Ca( OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l).that is why lime water turn milky when CO2 gas is passed through it\xa0 | |
| 57399. |
what is the system of the arrangement of carbon atoms in graphite |
| Answer» | |
| 57400. |
Which fuel is non combustable |
| Answer» Water..... Iron....gold.....and we humans | |