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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.
| 57551. |
Why colour of the sky is blue |
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Answer» The blue color of the sky is caused by the scattering of sunlight off the molecules of theatmosphere. This scattering, called Rayleigh scattering, is more effective at shortwavelengths (the blue end of the visible spectrum). Therefore the light scattered down to theearth at a large angle with respect to the direction of the sun\'s light is predominantly in the blue end of the spectrum Raman\'s effect |
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| 57552. |
What are the functions of lymph node |
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| 57553. |
Easy digram of Human brain |
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Answer» Ncert book per di hai Refer S Chand side book or NCERT having clear and easy Diagram Bhai apna sir bna dio |
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| 57554. |
Easy and simple structure of human brain |
| Answer» Can we send images in this app. If not than why are u answering | |
| 57555. |
short note on plant movement |
| Answer» Phototropism:It is the directional movement of plant part in response to light stimulus.If plant part move towards light it is called as positive phototropism.For Ex:Stem or shootIf plant part move away from light it is called as negative phototropism.For Ex:Roots2)Geotropism:It is the response to gravity.If the plant part moves in the direction of gravity it is called positive geotropismFor Ex:Roots grow downwards.If the plant part moves against the direction of gravity it is called negative geotropism.For Ex:Stem grows upwards3)Chemotropism:Response to chemical stimuli.If Plant part move towards chemical stimuli it is positive chemotropismIf plant part move away from chemical stimuli it is negative chemotropism.4)Hydrotropism:Response to waterWhatsAppFacebookTwitterGoogle+chemotropism, geotropism, hydrotropism, negative chemotropism, negative geotropism, negative phototropism, negative stimulus, phototropism, plant movement, positive chemotropism, positive geotropism, positive phototropism, positive stimulus, stimulus, tropic movement, tropism | |
| 57556. |
A 15% alchol solution means |
| Answer» 15% alcohol means 15 ml of alcohol is present 100 mil of solution which contains 15 ml alcohol and 85 ml water.So, 15 ml alcohol is present in 85 ml of water. | |
| 57557. |
Which chemical species are formed when an acid neutralizes a base |
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Answer» Thanks ?? Salt Nacl |
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| 57558. |
What makes the backbone of DNA????? |
| Answer» The “backbone" of DNA is formed by sugar-phosphate-sugar chain and nitrogenous bases are faced inside. Within a polynucleotide chain, the two nucleotides are linked by phosphodiester bond. In nucleotide, phosphoric acid and pentose sugar( deoxyribose) is bonded with phosphoester bond. And pentose sugar and nitrogenous bases are bonded with N-Glycosidic bond. The two strands of DNA are held together by Hydrogen bond which are formed between nitrogenous bases of opposing strand | |
| 57559. |
Reaction of egg cell and nitric acid |
| Answer» CaCO3 + 2HNO3- (gives) Ca(No3)2 + water + carbondiaoxide | |
| 57560. |
Why sunlight is necessary for photosynthesis no other light |
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Answer» The process of\xa0photosynthesis\xa0occurs when green plants use the energy of light to convert carbon dioxide (CO2) and water (H2O) into carbohydrates. Light energy is absorbed by chlorophyll, a\xa0photosynthetic pigment of the plant, while air containing carbon dioxide and oxygen enters the plant through the leaf stomata. Because sunlight makes food for plants and gives energy |
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| 57561. |
Why sunlight is necessary for photosynthesis nor any other light |
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| 57562. |
Why magnetic field don\'t move from South Pole to North Pole |
| Answer» This fact means that the north end of magnet in a compass is attracted to the south pole which lies close to the geographical north pole | |
| 57563. |
What do you mean by term dna replication and mutation |
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| 57564. |
describe the flow of blood through the heart of human beings |
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| 57565. |
What effect of magnetic field lines in space |
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| 57566. |
Explain ASSIMILATION in humans |
| Answer» The blood carries digested and dissolved food to all tge parts of bodu where it becomes assimilated ,assilmilated food is used by body cells for obtaining energy as well as for growth and repair of body , energy is released by oxidation of assimilated cells during respiration,the digested food which is not used by our body is stored in the liver in the form of carbohydrates called \'glycogen\' | |
| 57567. |
What is ADH - anti-diuretic hormone |
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| 57568. |
The white light split into seven colours in only prism why not in glass plane?????? |
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| 57569. |
What are the outside raw material used for by the organisms?????. |
| Answer» Oxygen ,water,food | |
| 57570. |
Dw bw electrolytic refining and electrolytic reduction |
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| 57571. |
What are the difference between the transport of material in xylem and phloem |
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Answer» Xylem - transport of water and phloem -transport of food material Xylem -1) it transports water, minerals. 2) it transports the material in upward direction.Phloem -1)it transport food to every part .2) it transport material in upward , downward direction. |
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| 57572. |
Difference Between cardiac cycle and heart beat |
| Answer» The cardiac cycle is the term used to describe the relaxation and contraction that occur as the heart works to pump blood through the body. Heart rate is a term used to describe the frequency of the cardiac cycle. | |
| 57573. |
Give common name of compound CaOCl2 |
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Answer» Calcium oxychloride Bleaching powder Bleaching powder is a common name of CaOCl2 Calcium oxy chloride Bleaching powder Calcium oxy chloride (CaOCl2) commonly called under the name of bleaching powder... |
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| 57574. |
What is neutrralizaltion reaction |
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Answer» Nutrilization When acid react with base to form salt and water,is known neutralization reaction The reaction between an acid and a base to give salt and water is known as neutralisation reactionBASE + ACID= SALT +WATER |
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| 57575. |
Describe cinstruction of biogas plant |
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| 57576. |
What is the function of human eye |
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Answer» The human eye which we can see easily any things Its simpel baby help to see |
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| 57577. |
What should be done in the case of a person comes in contact with the electric current |
| Answer» It is very dangerous when a person touch a high voltagd current a strong current flow through a person at this case person can lost the control over his neevous syatem lead to a serious injury | |
| 57578. |
Pls explain hydroelectric power plant !!!!!!!!!! |
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Answer» Thank u guys?? Its simpel it help to produces energy by potansial energy of water to kinetic energy of water the water drop diwn on tûrbinse it connected to generator which produce electricity by mechenical energy to electric energy(refer to ch1) A power that produces electricity by using flowing water to rotate a turbine is called hydroelectric power plant. |
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| 57579. |
What are functions of stomata |
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Answer» 1.Exhange of gases2.Losses excess amount of water during transportation It exchange gases as well as it helps into transpiration. |
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| 57580. |
What is oms law? |
| Answer» Under atmospheric pressure and temperature the current flowing through a substance is directly proportional to it\'s potential difference | |
| 57581. |
Where are fats digested in our bodies ? Where does this process takes place? |
| Answer» In small intestine digestion of fat take place . Liver secrete bile juice which help in emulsifying the the fate and small intestine receive secretion of liver and small intestine is site where fats are completely digest by the enzyme lippase and change emulsify fat inti fatty acid | |
| 57582. |
Control and coordinate |
| Answer» How can someone explain u the whol chapter so go to utube and search this | |
| 57583. |
Christmas tree lamps are usually wired in series. What happens if one lamp breaks? |
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Answer» All bulbs are fused When one lamp breaks then other two lambs also stop their working. |
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| 57584. |
Can base react with metal oxide |
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Answer» Bases only reacts with non metallic oxide because they are acidic in nature where as they do not reacts with metal oxide because they are basic in nature and hence bases do not reacts with bases Metal oxides are basic in nature . So bases don\'t react with bases . Therefore, no reaction is possible. No metallic oxides are basic in nature so it can\'t react with base |
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| 57585. |
Which enzymes are contained by gastric juice. |
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Answer» Pepsin engyme Pepsin ,trypsin , lipase, amylase If considered as per NCERT- Gastric juices contain amylase,pepsin,trypsim,lipase. Etc |
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| 57586. |
Which enzyme is present in salavary gland |
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Answer» Salivary amylase or ptyelin ... Ptyalin Salivary amalyse Salivary amylase or ptyalin |
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| 57587. |
Why current carrying wire conductor move when placed in magnetic field |
| Answer» When current passes through a conducter it shows magnetic effect due to current which makes the conducter itself a magnet. When it is placed in a magenetic field the action due to both magnetic fields result in movement of the conducter. | |
| 57588. |
Difference between gametes and zygot |
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Answer» The cells from each parent that combine to form the zygote are called gametes. In humans, the male gamete is called sperm, and the female gamete is called an egg. When the gametes join they form a cell called a zygote. What about zygot Gametes are *** organs |
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| 57589. |
What are the final products obtain after digestion of carbbohydrates and protiens |
| Answer» from carbohydrates we get glucose+ glucose, glucose+fructose,glucose+glactose | |
| 57590. |
Which principal is used to measure the specific heat capacity of a substance ? |
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Answer» The specific heat capacity of a substance is the amount of energy needed to change the temperature of 1 kg of the substance by 1°C. Different substances have different specific heat capacities The specific heat of a body is defined as the quantity of heat required to raise the temperature of unit mass of a body through one degree Celsius.S=Q/m ΔTTo determine the specific heat of solids usually the method of mixtures is followed.In method of mixtures, specific heat of either a solid or a liquid is determined.The method of mixtures obeys the fundamental principle of calorimetry.Heat lost by hot bodies= Heat gained by cold body |
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| 57591. |
Difference between electric current and electric charge |
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Answer» I=Q/T The flow of electron in a circuit or the flow of charge is known as the current and the flow of current is known as the charge The flow of electron is called electric current and the flow of electric current is called electric charge |
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| 57592. |
What is the structure of C6H12O6 |
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| 57593. |
what is negative logarithm in ph scale mean? |
| Answer» that the solution is basic | |
| 57594. |
Difference between glycogen and starch. |
| Answer» Food stored in liver in the form of glycogen in animals while food store in plant in the form of starch in leaves | |
| 57595. |
Why does the magnetic field lines do not intersect? |
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Answer» If they will intersect then their magnetic compass needle will show 2 directions which is not possible If they will intersect then their magnetic compass needle will show 2 directions which is not possible. |
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| 57596. |
What is the matabolism |
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Answer» Living organism have metabolic activities inside their body.Hormones such as thyroxin control metabolism.It is a chemical activity to maintain the steady state in our body. It is chemical processes which is occurring in all the living organism in order to maintain life. ( if you like this answer then click the like button) |
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| 57597. |
How polarity develop at the end of a solenoid |
| Answer» At the end of solenoid if the current flows anti clockwise direction the end becomes north pole and if the current flows clockwise direction ,the end becomes south pole. | |
| 57598. |
What is difference between fleming\'s left hand rule and right hand rule?? |
| Answer» In Fleming\'s left hand rule it gives the direction of force and in Fleming\'s right hand rule it gives the direction of current | |
| 57599. |
Reflex arc regulated by |
| Answer» Spinal cord | |
| 57600. |
What is cross section of wire |
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Answer» Cross section of wire is known as the area of the wire through which the current is flowing. The mathematical formula for it is A= kl/R, where K is the resistivity ,l is the length of the wire, R is the resistance Rl÷p (rho) |
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