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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.
| 401. |
What is function of **** spincher |
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Answer» Unknowingly i typed in this question instead of another question Functional unit of kidney. |
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| 402. |
What is function of gastric spincher and **** spincher |
| Answer» A sphincter is a circular band of voluntary or involuntary\xa0muscle\xa0that encircles an orifice of the body or one of its hollow organs. Gastric sphincter\xa0is present at the junction of the small intestines and the stomach.It acts as a valve and controls the amount of food that is being transferred.The\xa0**** sphincter\xa0is responsible for the removal of the food.**** sphincter is of two types, internal sphincter and external sphincter. | |
| 403. |
Which is the internal energy reserve in plant? Do animals have the same energy |
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Answer» no because in any step the energy is decrease 10% to another step Starch\xa0is the internal energy reserve in plants. No, animals do not have the same energy reserve. The energy reserve in animals is glycogen.\xa0Plants store carbohydrates in the form of starch which acts as internal energy reserve.\xa0Yes, Animals also have carbohydrates as the energy reserves but store it in the form of glycogen. |
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| 404. |
How we can control the jumber |
| Answer» what is the meaning of jumber | |
| 405. |
1 ohm= |
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Answer» 1 ohm= 1volt/1ampere Thanks 1V/1A 1volt/1ampere |
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| 406. |
What is the normal pH of our boby |
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Answer» In our bodie we normally have ph approx 7 7 7 7 The normal PH of our body is b/w7.35 to7.45 |
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| 407. |
Difference between respiration and breathing? |
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Answer» Respiration is the process of breaking down of glucose into simplest form to produce energy in the form of ATP and breathing means exhalation and inhalation. No worry Thanks Breathing means inhalation and exhalation of oxygen whereas respiration is a complex process of breakdown of glucose into simplest form to give energy in the form of ATP |
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| 408. |
Write a short note on asexual reproduction in plants |
| Answer» In plants, new offsprings are produced by asexual reproduction. Stamen is the male reproductive part of the plant and pistil is the female reproductive part of the plant. Pistil is made up of three parts - stigma, style and ovary. Stamen contains pollen grains (male germ cells), which are yellow in colour and ovary contains ovule and each ovule has an egg cell (female germ cell). Pollens are transferred to stigma either by air, water or insects. Then, they reach to ovary through style. In ovary, fusion of pollens and egg cell take place and zygote is produced. | |
| 409. |
Why does sun appears reddish at sun rise and sun set? |
| Answer» Due to atmspheric refraction, only red colour of sun\'s light is visible to us. Actually the reddish sun that appears during sunrise and sunset is virtual sun, it is below our horizon. As a result the red colour of sun\'s light having least deviation is only visible to us | |
| 410. |
How the scientists knew that element weight and existence |
| Answer» | |
| 411. |
In which part of body new RBCs are formed |
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Answer» Hello myself Seema and I don\'t want to make any friends here as I am here for study purpose not for making friends.... Bone marrow. Each RBC lives for about 4 months. Each day, the body makes new RBCs to replace those that die or are lost from the body. RBCs are made in the inside part of bones called the bone marrow. |
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| 412. |
Can one advice a good and helpful guiding reference for science... |
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Answer» Thanks to everybody ? First follow ncert textbook and then Schand for full explanation and for bank of questions u can follow evergreen of(pradeep and jatinder)but must follow ncert... ??most important.. Refef only textbook is the best guiding reference just refer it only S chand is better than any other. Oswaal is the best |
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| 413. |
What are villi. |
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Answer» Villi are the finger like projection which increase the surface area for the absorption of digested food villi is the finger like hair structure which help to collect water and other substance which remain form our waste during the process of digestive Villi are tiny finger like structure or shaped thai increase the surface areaof intestinal walls. The tiny projections on the inner surface of the small intestine which help in absorbing the digested food are called villi. These helps to increase the surface area of intestinal walls.These are located in the inner walls of the small intestine. |
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| 414. |
What is the PH value of toothpaste |
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Answer» 8 8.6 The pH value of tooth paste varies from 3 to 10. Regular toothpaste has an average pH of 8. |
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| 415. |
How does transpiration help in upward transport of substances |
| Answer» During transpiration, the water loses from Ariel plant that make space to move substance upwards | |
| 416. |
Why it is necessary to separate oxygenated and deoxygenatad blood in living organisms. |
| Answer» + To maintain the temperature of body contant + To provide efficiency for getting energy+ To prevent the whole blood from becoming impure | |
| 417. |
Power house of sell |
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Answer» Mitrochondria Mitochondria is known as power house of cell. Mitochondria mithocondria Mitochondria |
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| 418. |
what men and women do with there reproduction partch-reproduction. |
| Answer» read the chp again and find your ans. | |
| 419. |
why is sodium stored in kerosene |
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Answer» Because it very reactive metal so it catches fire rapidly i.e it burns in atmosphere EQUATION:-4Na(s)+O2(g) ------> 2Na2O2(S) It catch fire easily when kept in open Sodium is most reactive me tels can burn in atomosphere bcz sodium is highly reactive? that\'s why it is kept in kerosene• Sodium is highly reactive metal and is stored in kerosene because it does not react with kerosene |
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| 420. |
If I want to explain double displacement reaction like a teacher how to explain it |
| Answer» You can explain it by giving... example of 4 friends .....2 in one pari and other 2 in another pair .. and in 1st pair the friends get angrey with each other and in 2nd pair also.. and then one person of 1st and one of 2nd both came in friendship and same occurred in the 2 remaining persons | |
| 421. |
what happens when samples of metals and non metals are mixed with acid |
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Answer» salt and hydrogen gas is evolve in both cases Salt will be formed and hydrogen gas will be evolved METALS WITH ACIDS:-1.Metals + dil. HCl------> salts + Hydrogen gas2. Generally metals don\'t react with dil HNO3Metals +dil. HNO3 ------->salts+NO2/N2O+ H2OEXCEPTIONAL Case:- Mn and Mg only react with HNO3NON-METALS WITH ACID:-Generally non metals don\'t react with dil acids but on heating with concentrated acids, these forms oxides or salts HOPE IT HELPED YOU? Generally non metals don\'t react with acids because of their non corrosive nature and when metal are reacted with acids they produce salt and hydrogen gas ..Explanation:Acids + metals = salt and hydrogen gas .Acids + non metals = there will be no relation ... No change |
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| 422. |
a solution has ph of 7. explain how you would 1. increase its ph2. decrease it\'s ph |
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Answer» 1. By adding Baking soda(NaHCO3) or ( sodium bicarbonate)2. By adding dil. HCl or lemon juice (critric acid) to the solutions HOPE IT HELP U Increase its pH by adding baking soda to it. And decrease the pH by adding an acid like citric acid or HCl |
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| 423. |
villi are present in 1.pancrease 2. stomach3. small intestine4. oesophagus |
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Answer» Small intestine small intestine Small intestin small intestine 3. Small intestine |
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| 424. |
Write the name of allotropic form of carbon. |
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Answer» Diamond, Graphite and Buckminsterfullerene Diamond ,Graphite and Buckminsterfullerene Diamond and graphite Diamond ? and Graphite Diamond, graphite and buckminsterfullerene are three allotropes of carbon |
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| 425. |
Name the property which is not shown by ionic compound? |
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Answer» Electrical conductivity in solid state They don\'t conduct electricity in solid state. Dont conduct eletricity in solid state due to rigid structure Electrical conductivity in solid state is the property not shown by ionic compounds. Hope it helps.. G........ E |
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| 426. |
Why does calcium float in water???? |
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Answer» Because the bubbles of hydrogen gas formed,stick to the surface of the metal. Bcz formation of bubbles in hydrogen ion Due to formation of bubbles of Hydrogen Google pe check kar |
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| 427. |
A solution turns red litmus blue, its pH is likely to be? |
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Answer» greater than 7 More than 7 "Its"not Ot typing mistake ? A solution turn red litmus blue is basic in nature. Ot pH may be "greater than 7" |
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| 428. |
Most reactive element |
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Answer» Potassium According to ncert and s chand reactivity series,Potassium is the most reactive element. Sodium and francium Agar galat huwa toh SORRY 1)Fluorine & 2)Caesium. HoPe It HeLpS yOu?? |
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| 429. |
Write down three elements that show Dobereiner’s triad. |
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Answer» Chlorine , bromine , iodine 1) Lithium(Li). 2) Sodium(Na). 3) Potassium(K). HoPe It HeLpS yOu?? Lithium, sodium and potassium are the 3 elements which show dobereiner\'s triad. |
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| 430. |
I want. Every one write there address full, name |
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Answer» Mai janna chahta hu कहा कहा से है ap log mai up के बनारस से हू. And I don\'t make friend Why!??? Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? ?WHAT? |
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| 431. |
What is the direction of current in a circuit?why.. |
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Answer» According to figure tge direction of current if positive to negative Positive to negative Conventional current- positive to negative ( which we always use and draw ) Electric current - negative to positive ( this is the direction of flow of electrons). Negative to positive ...but according to figure which we drawn ...postive to negative . |
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| 432. |
What is the difference between nutritive apparatus used by a cow and that of a lion ? |
| Answer» Cow has its nutrition apparatus which is cellulose rich and also it depends only on only green vegetation for its food\xa0and also the same is digestive by animal.In case of lion, they are meat eater, they prey on meat.\xa0They are highly depend on other animal for nutrition and their nutrition apparatus is animals like deer, monkey, elephant etc. | |
| 433. |
Write the pathway of flow of blood in heart through flow chart |
| Answer» i. The superior and inferior vena cava bring deoxygenated blood from all the organs of the body to the right atrium and oxygenated blood comes to the left atrium\xa0through the pulmonary vein.ii. Both the atria contract, and deoxygenated blood from the right atrium is poured in the right ventricle, and oxygenated blood from the left atrium is poured into the left\xa0ventricle.iii. Blood from the right ventricle enters the lungs through arteries.iv. The oxygenated blood from the left ventricle is distributed to all the parts of the\xa0body through the aorta. | |
| 434. |
How are fats digested in our body?How does it take place |
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Answer» Fats are mainly digested in our small intestine.. Pancreatic lipase from pancreas and bile from liver helps in digestion of food.,..... Digestion is the process of breaking large, insoluble food molecules into smaller molecules for absorption into the bloodstream.\xa0This process involves the use of numerous digestive fluids and enzymes including saliva, mucus, bile, and hydrochloric acid.The human body has four primary stages of food digestion that include\tIt makes its way through the stomach into the small intestine, where it is digested, after the intake of food by the mouth.\tIn the small intestine the nutrients from the digested food are absorbed into the bloodstream through small pores.\tThe leftover undigested food is sent to the large intestine where the body reabsorbs any unprocessed water or nutrients.\t\tThe remaining product of waste food is carried out of the body in terms of stools.\t In our stomach, Big fat droplets are breaked down by the bile juice secreted by our liver. The smaller fat droplets are then digested in our stomach. |
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| 435. |
Practical resource book of science, experiment 1 b, observation and inference solutions |
| Answer» Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? | |
| 436. |
Balance the equationAl + H²O -> Al²O³ + H² |
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Answer» 2Al+3H2O->Al2O3+H2 2Al + 3H²O -> Al²O³ +H² 2Al + 3H2O --> Al2O3 + 3H2 Balance equation be:-2Al\xa0+\xa03H2O\xa0→\xa0Al2O3\xa0+\xa03H2 |
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| 437. |
Notes of acid bases and salts |
| Answer» You can find the revision notes in this app only.. | |
| 438. |
Mention the functions ofa) Fore brainb) Mid brainc) Hind brain |
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Answer» From which chapter is it? Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? Hey this chapter is cancelled for the board |
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| 439. |
Why a freely suspended magnet always point in north south direction |
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Answer» Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? A freely suspended magnet always points in the north -south direction even in the absence of any other magnet .this suggest that the earth itself behaves as a magnet which cause a freely suspended magnet to point always in a particular direction : north and south. |
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| 440. |
What is the Difference between right lung and left lung |
| Answer» \tRight lungLeft lungIt has three lobes namely, upper, middle and lower.It has two lobes, upper and lower.It has deep concavity on the inner surface that is called the cardiac impressionIt is less concave than right lung.\xa0It has two bronchi.It has one bronchus.It is shorter and wider in shape.It is narrower and is oblong in shape.\t | |
| 441. |
What do you mean by oxoacids? |
| Answer» If the acid contains oxygen (called an oxoacid), then the suffixes –ous and –ic is used again, representing the lower and higher number of oxygens in the acid formula.\xa0Oxoacids contain hydrogen, oxygen, and other element Acids that contain hydrogen, oxygen, plus another element are called oxoacids. | |
| 442. |
Name the process by which washing soda is prepared. |
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Answer» Washing Soda(Na2CO3) is prepared by “Solvay\'s Process”. HoPe It HeLpS yOu?? Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? Solvay process. By solvay process |
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| 443. |
Write chemical equation to prepare plaster of paris from gypsum. |
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Answer» CaSO4.2H2O → CaSO4.1/2H2O + 3/2H2O The name plaster of Paris came from the fact that it was first of all made by heating gypsum which was mainly found in Paris. The compound plaster of Paris is prepared by heating gypsum at 120oC.CaSO4.2H2O → CaSO4.1/2H2O + 3/2H2OThe chemical formula for the plaster of Paris is (CaSO4) H2O and is better known as calcium sulfate hemihydrate. |
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| 444. |
Can bleaching powder bleach a dry piece of cloth if not why? |
| Answer» No. This is because bleaching powder requires an aqueous medium to show its action. It dissociates into its ions only in water. Hence, it works on wet clothes and bleaches it. It does not ionise in dry mediums. | |
| 445. |
How can we remove the permanent hardness of water? |
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Answer» By adding Wasing soda to it we can remove the Hardness of the water. It is mainly used in Laundries. By passing it through washing soda. This is because washing soda is known to remove the permanent hardness of water |
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| 446. |
Why bleaching powder gives a pungent smell when it is exposed to air? |
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Answer» Bleaching powder\xa0is a yellowish white\xa0powder\xa0with a strong\xa0smellof chlorine. When exposed to\xa0air,bleaching powder gives\xa0a\xa0smell\xa0of chlorine. This is becausebleaching powder\xa0reacts with carbon dioxide from theatmosphere\xa0to produce calcium carbonate and chlorine gas. Bleaching powder, when exposed to air, reacts with atmospheric moisture to give out chlorine gas which causes the pungent smell. |
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| 447. |
How will you prove that metal oxides are basic in nature? |
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Answer» I know this answer When metallic oxides react with water they form metallic hydroxides which are basic in nature.to show that these are basic in nature,we should conduct a litmus paper test.in this experiment,we will observe that red litmus turns blue on coming in contact with them.this shows that metallic oxides are basic in nature. |
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| 448. |
People aspire for material and non matreial things |
| Answer» Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? | |
| 449. |
What is right hand rule in physics |
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Answer» Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? Contact me on watsapp I will explain you clearly 9800855497 Hold the right-hand forefinger, middle finger and the thumb at right angles to each other. If the forefinger represents the direction of the magnetic field, the thumb points in the direction of motion or applied force, then the middle finger points in the direction of the induced current.\xa0 |
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| 450. |
Where is test series available in myCBSEguide? |
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Answer» Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ? Jahan saare subjects hn starting me whin pe h |
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