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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.
| 44201. |
What is the fate of different parts of a bisexual flower after fertilization? |
| Answer» Ovule to seedOvary to fruits Sepals petals stamens style stigma may fallHowever in sone cases they remain persistent in fruit. | |
| 44202. |
What is the function of the gastric spincter |
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Answer» The gastric sphincter control the release of food for small intestine Control release of food* To control digested food from stomach to small intestine |
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| 44203. |
Can you give questions of practical |
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Answer» Yes I m fed up of this practical work...questions are really annoying... You don\'t have the practical file Matlab |
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| 44204. |
On what factor does the resistance of a conductor depend on |
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Answer» It depends upon:-,AreaLengthMaterialTemperature Resistance is directly proportional to the length of the conductor➡️ resistance is inversely proportional to the area of the cross section it is also depend on the nature of material of conductor and the ➡️temperature of surrounding..... Nature of conductorArea of cross sectionTemperatureLength of conductor |
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| 44205. |
Pl...say definition of Biological magnification.... |
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Answer» The increase in concentration of harmful chemical (like pesticides) in the body of living organisms at each trophic level of food chain is known as biological magnification.,Example:- Water---Phytoplankton ----- Fish ---Bird The increase in concentration of harmful chemicals with each next trophic level is known as Biological magnification........ |
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| 44206. |
Effect of oxidation in daily life |
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Answer» Combustion is the most common example for oxidation reactions.Rising of dough with yeast depends on oxidation of sugars to carbon dioxide and water.Bleaching of coloured objects using moist chlorine.Coloured object + (O) ------> Colourless object (Here ‘O’ is known as Nascentoxygen)Sometimes during rainy season the power supply to our homes from the electric pole will be interrupted due to formation of metal oxide layer on the electric wire. This metal oxide is an electrical insulator. On removing the metal oxide layer formed on the wire with a sand paper, supply of electricity can be restored. Corrosion,rancidity,combustion... oxidation of fats and oil leads to rancidity...... Corrosion of metal........bs ye nuksan karti hai ? |
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| 44207. |
Explain the activity series of metal. |
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Answer» The arrangement of metals in the order of decreasing reactivities is called reactivity series of metals.The most reactive metal potassium is kept at the top of the series and the least active metal platinum is at the bottom of the list. It is the arrangement of metals in a vertical column according to their decreasing reactivity series........☺️ |
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| 44208. |
ill effects of biodegradable substances on environment? |
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Answer» Thx girl? 1) they release co2 and methane during decomposition process causing global warming2) they create foul smell |
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| 44209. |
Whenever we eat something spicy why do our eyes gets watery ? |
| Answer» Good question ?..... Sorry but i don\'t know? | |
| 44210. |
Why stars are twinkle in night |
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Answer» Due to atmospheric refraction.when light rays of stars travell from rarer medium to denser medium it bends towards normal and due to different denties , atmospheric layers inverses and decreases continuously ,which appears that stars are twinkling☺️☺️ When the light of star passes though the atmosphere it fluctuates due to atmospheric refraction and appers as to be twinkling Due to refraction of light |
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| 44211. |
Define acid base and salts and it properties and use |
| Answer» | |
| 44212. |
What are property of carbon?? |
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Answer» Catination -linking of two identical atoms.........and. Tetravalancy-it can combine with other 4 atoms? Its tetravalenr and has a propoerty of catenation that means it can bond with other carbon atoms? Calcination, self linking , tetravalency |
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| 44213. |
Differ b/w inherited and acquired character |
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Answer» Thanx (i) Characters that are passed on from parents to offspring are inherited characters. For example, colour of seeds, colour of eyes, etc.(ii) Characters appearing in an individual’s lifetime but cannot be transmitted to next generation are acquired characters. For example, obese body, loss of a finger in an accident, etc. What Pls also add special condition in aquired one?i forgot to write Thank you Bhai Inherited are those which offsprings get from genes of their parents or generation to generation and aquired are those that are being developed in an organism by genetic drift |
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| 44214. |
How is evolution and classification of species are interlinked to each other? |
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Answer» Classifiction refers to naming and grouping of organism based on their similarities and differenes.so as we move from simple life form to more complex organisms we are actually tracing the path of evolution .systamatic is a branch of texonomy that deals with the study of classifaction based on evolution... Every species or organisms has inbuilt tendency for genetic variation which plays an important role in the origin of new species and forms the the basis for evolution. Organisms appear to be same because of similarity in their inherited body designs.The more characteristics two species have in common, the more closely they are related. And they are likely to have a a common ancestor more recently. Classification of organisms necessarily involves, organizing them in different groups, based on the similarities and differences of characteristics. Classifying organisms helps us in recognizing the basic arrangement of a hierarchical structure among diverse species. It tells us about the resemblances and relationships between various organisms thus facilitating studies or research of wide variety associated with organisms effortlessly. In fact, classification of species is a reflection of their evolutionary relationship. Thus, we can say, the areas of study evolution and classification interlinked |
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| 44215. |
Electric generator principle, working and diagram |
| Answer» Diagram to bta nhi sakta par principle h electromagnetic induction and working bahut badi h to google kar lo pls..?????? | |
| 44216. |
Zn water ke sath kon se form me reaction karta hai. Please tell me what is reaction |
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Answer» Zn +H2O-------------->ZnO +H2 Steam Zn + H2O - ZnO + H2 Redox reaction Zn + H2O --------> ZnO + H2 |
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| 44217. |
difference between chemical properties of acid and base |
| Answer» Acids are chemical substances which are characterized by a sour taste in an aqueous medium. They have the tendency to turn blue litmus red. On the other hand, bases are chemical substances which are characterized by a bitter taste and are slippery to the touch. Some bases are soluble in water while others are not. | |
| 44218. |
Stimulus |
| Answer» Any change in yhe environment to which the org. Responds known as stimulus | |
| 44219. |
Espum |
| Answer» You mean gypsum which is a hard substance which is made when plaster of paris reacts with water | |
| 44220. |
Myopia (short sighyedness or near sighyedness |
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Answer» Myopia\tNear-sightedness : A person with Myopia can see nearby objects clearly\tA person with myopia cannot see faraway objects clearly.\tThe far point for the myopic eye is nearer than infinity\tOccurs due to\tExcessive curvature of the eye lensElongation of eyeball\t\t\tThe image of a distance object is formed in front of the retina and not on the retina\tDefected is corrected by using Concave lenses such that the lens will bring the image back on to the retina. In which we canot see distant object It is situation in which a person is not able to see the far objects distinctly Near sightedness Near |
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| 44221. |
Electric motor and generator ki working bhi aayegi kya |
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Answer» Maybe ..... Kuch bhi aa sakta h Principle main h working k km chances h Ha Generator I think generator is important |
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| 44222. |
What happens whn plaster of paris reacts with water |
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Answer» When plaster of paris reacts with water it produce gypsum as shown in the following chemical reactionCaSO4 . H2O + 3/2 H2O → CaSO4.2H2O Gypsum It forms a hard substance called gypsum Gypsum |
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| 44223. |
Relationship between u v and R |
| Answer» 1/v+1/u=1/f | |
| 44224. |
What is tissue culture? What are its disadvantages? |
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Answer» Tissue culture is the production of new plants from a small piece of plant.Tissue removed from the growing tips of a plant in a growth medium or culture solution is called tissue culture.Disadvantages of Tissue Culture:\tThe experiments involved in tissue culture are expensive because the expensive machinery and reagents required,\tThis technique is a complex procedure and it is has varied procedures depending on the plant type.\tThe experiments of tissue culture must be handled by highly trained people as the procedure requires special are and careful observation.\tAs all the plants are genetically similar, there is reduction is genetic diversity.\tThere is no introduction of any new genes in the gene pool of the whole stock.\tIf a plant is susceptible to disease, all the plants of this cloned stock will share this undesirable trait and be susceptible to that particular disease.\tOn a large scale production tissue culture methods is very expensive as the cost of the equipments are very high.\tThe procedure depends of the type of species being cultured; hence there is a need of trial and error method for any new species if there is no review about that species. It is the method of raising new plants from small pieces of plant tissue Tissue is land |
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| 44225. |
Ch 12 imp topic |
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Answer» All formulas-- very IMP Ohms law |
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| 44226. |
Ch 12 |
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| 44227. |
What are the roles of digestive enzymes in our digestive system? |
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Answer» Enzyme break down various complex component into small and soluble components which can be easily absorbed They convert the complex material into simpler substances , like pepsin breaks down proteins. |
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| 44228. |
tissue culture? |
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Answer» It is method of raising new plants from small pieces of plant tissue Growing a new plant by the help of tissue of other plant |
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| 44229. |
Ch 6 imp que |
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Answer» What is double circulation.Explain it by block diagram of heart What are the role of digestive enzymes? Answer What is the role of HCl acid IN OUR stomach |
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| 44230. |
Mention any one structural difference between arteries and veins. |
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Answer» Arteries are wide and thick vessels .....and veins are thin walled with valves Wide structure in veins and narrow in arteries |
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| 44231. |
What is formaldheyde |
| Answer» Methanal | |
| 44232. |
What is structure of placenta? Define its role during pregnancy? |
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Answer» Placenta cleans the blood of the baby and gives purified blood to the baby.And it contains more stem cells. Many villi like structure are present on placenta to provide large surface area for exchange of gaseouse and other waste material from mother body to baby\'s body...! Disc shape |
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| 44233. |
Plz suggest important diagrams |
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Answer» Thanks to all? Double circulatory system...experiment of rifining...male female repr....neuron...inary fission of amoeba...budding...pollen stigma...mirror and lens diagram ...sign conven...correcting myopia and hydromyopia...electric motor flower pollination..neuron..heart..female fertilization Xylem phloem. Syomata. Double circulation. Heart. Binary fission . |
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| 44234. |
How geylt full marks on exam |
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Answer» ???????? what a nice tips Wah ?? 3 tips to get full marks 1.bilkul bhi Mt pdho 2.onln rho 3.answer sheet m kuch Mt likho |
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| 44235. |
What is colour blindness |
| Answer» This is a defect of the eye in which a person is unable to distinguish between certain colours (More especially to blue, red and green colours). This defect arises due to insufficient or no cone shaped cells, on the retina. There are three types of cone cells, one responding to blue colour, the second to red and the third to green colour. A colour blind person does not possess some cone cells that respond to certain colours. Colour blindness is a genetic disorder. There is no cure to this defect. A colour blind person can see everything clearly but is not able to distinguish between different colours. (A colour blind person may not be issued a motor driving licence as he or she may not be able to distinguish between green and red signals). | |
| 44236. |
Defination of trophic level |
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Answer» When the lower producers of a specific or particular level is get consumed by its another higher level consumers .This process keeping out followed by other higher consumers known as tropic level. Humans are the top consumers in tropic level each of several levels in an ecosystem.....Each level consists of living creatures...that share the same function in the food.....chainand get their food from the same source Transfer of energy from one level to another level is called tropic level |
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| 44237. |
A red hair women marrie a brown hair boy then children have brown hair explain |
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Answer» father have brown hair he haveHH hormone and mother have red hair she have hH hormone...so their child have HH hormone...thats why he or she have brown hairs Can u tell full formof hh harmone smile Brown hair dominant hai or red recesive It is because the brown hair is dominant character over red hair. childrens have HH hormones Due to variation of sexual reproduction It means that brown is dominant and red is recessive that\'s why the children have brown hair...... |
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| 44238. |
What is twinkling of star |
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Answer» The stars are point sized objects which emit their own light.The rays of light coming from them are refracted by atmosphere.Since the atmosphere is not stationary so the light is refracted at different angles.Hence giving us feeling of twinkling and is due to atmospheric refraction. Due to atmospheric refraction yes...it is bcoz of atmospheric rxn |
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| 44239. |
What is difference between soap and detergents |
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Answer» Some of the differences between soaps and detergent according to class 10 is that;1.Soaps are the sodium salts of long chain carboxylic acidsDetergents are sodium salts of long chain benzene sulphonic acids2.The ionic group in soaps is\xa0–COO-Na+The ionic group in soaps isSO3-Na+\xa0or SO4-Na+3.Soaps are not useful when water is hardDetergents can be used for washing purposes even when water is hard4.Soaps are biodegradableSome of the detergents are non-biodegradable5.Soaps have relatively weak cleansing actionDetergents have a strong cleansing actionHOPE IT HELPS YOU........ Soap dont react with hard water whereas detergent react with hard water Soaps :\tSoaps are sodium or potassium salts of long chain carboxylic acids.\tSoaps have lesser cleansing action or quality as compared to detergents.\tSoaps are made from animal or plant fats.\tSoaps are more biodegradable.\tDetergents :\tDetergents are ammonium or solphonate salts of long chain carboxylic acids.\tDetergents have better cleansing action as compared to soaps.\tDetergents are made from petrochemicals.\tDetergents are less biodegradable. |
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| 44240. |
Please give saponification equation |
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Answer» I cant understand Jahanvi Saponification:Esters react in the presence of an acid or a base to give back the alcohol and carboxylic acid. This is called saponification reaction. This is reverse reaction of esterification reaction.CH3COOC2H5 + NaOH →\xa0CH3-COOH + CH3-CH2-OH CH3COOC2H5_C6H6OH+CH3COONa |
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| 44241. |
How can we use methyl orange to indicate whether the solution is neutral acidic or basic |
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Answer» Methyl orange turn red or orange in acid and yellow for base. When methyl orange is added to an acid, it turns pink and when it is added to a base it turms yellow. |
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| 44242. |
what is lateral inversion??? |
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Answer» thanks to u all when the right side of the object appears to be left and left sideof the object appears to be right in a plane mirror is known as lateral inversion...... Lateral inversion" means the apparent reversal of the mirror image\'s left and right when compared with the object. "Lateral" just means "sideways". Your left side appears to be right in mirror and vice versa. |
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| 44243. |
Desertification |
| Answer» Desertification is the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. | |
| 44244. |
Is convex mirror forms virtual erect image or real inverted |
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Answer» Concave mirror can forms both type of image And concave mirror Convex mirror forms only virtual image |
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| 44245. |
frog mein konsi fertilization hoti hai |
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Answer» External fertilisation yrr.. Yes external is correct Thanks ashutosh ?? Yaa external fertilization External fertilization Yes you are right external External |
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| 44246. |
Describe the surgical method of contaraception |
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Answer» Thanx jahanvi Perfect answer HiiHere is ur answer......There are two methods of surgical control:Tubectomy: It is a surgical procedure in females in which the fallopian tubes are cut and tied so that the egg released by the ovary never reaches the uterus, hence it is not available for fertilizationVasectomy: It is a surgical process in males in which the vas deference is removed which prevents sperms from entering the semen. Sp there are no sperms in the semen hence fertilization is not possible.\xa0Hope it helps:-) |
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| 44247. |
Structure and function of nephron |
| Answer» Is neurons | |
| 44248. |
Compare and contrast biogas and nuclear fission as a source of energy? |
| Answer» | |
| 44249. |
Explain bile does not contain any enzyme but it is essential for digestion |
| Answer» It helps in emulsification of fat . Emulsification is essential for pancreatic amylase and intestinal juice to act on fat. | |
| 44250. |
How traits are inherited |
| Answer» Traits are inherited by genes on a chromosomes from the Mother and Father of the Offspring.They are passed down from our parents to us and there is 26 different chromosomes which determine what you look like.Hope it helps:-) | |