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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.
| 45001. |
Characteristics of madnetic field |
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Answer» A magnetic field lines is an imaginary curve along which a free unit north pole tends to move.Magnetic field lines always starts from north pole and end on south poleThe tangent to the magnetic field lines at any point gives the direction of magnetic field at that point.Two magnetic field lines never intersect each other.It is vector quantity.They always form closed loops.Magnetic field lines passing through unit area around a point w.r.t. the strength of the magnetic field at that point is called Magnetic flux density.?? Sorry Magnetic fieldPlease answer fast |
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| 45002. |
Name the tissue that transports water and minerals in plants |
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Answer» Xylem tissue Xylem transports water &minerals to all parts of plant?? It is xylem Xylem |
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| 45003. |
What is meant by sceince |
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Answer» हमारा ज्ञान is विज्ञान Agr hindi m bole to ....किसी भी ज्ञान के क्रमवत ज्ञान को ही विज्ञान कहते है ।। The study of and knowledge about the physical world and natural laws is known as Science. It is a subject which comprises of Chemistry,Biology &Physics ? |
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| 45004. |
What you understand by Mendel experiment ? |
| Answer» Law of Segregation: Every individual possesses a pair of alleles for a particular trait. During gamete formation, a gamete receives only one trait from the alleles. A particular trait can be dominant or recessive in a particular generation.Law of Independent Assortment: Alleles of different characters separate independent from each other during gamete formation. | |
| 45005. |
Why the colour of our nerves is green? |
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Answer» Is this question comes. Under normal light, blood appears red because most colours are absorbed except for red, which bounces back from the blood. Every colour but red is absorbed by the oxygen-carrying pigment haemoglobin (Hb). If a filter that blocks the reflected colour is positioned between the blood and the eyes of the person looking at the veins, the perceived colour changes. In the case of humans, the skin serves as a filter for the colour red, and the colour is therefore perceived as green. The exact colour spectra is determined by the relative levels of oxygenated iron (HbO) and carbon dioxide in the blood. High levels of oxygen reflect red, and high levels of carbon dioxide reflect blue, which, when mixed with the yellowish colour of fat and or the skin, end up looking green . Under normal light, blood appears red because most colours are absorbed except for red, which bounces back from the blood. Every colour but red is absorbed by the oxygen-carrying pigment haemoglobin (Hb). If a filter that blocks the reflected colour is positioned between the blood and the eyes of the person looking at the veins, the perceived colour changes. In the case of humans, the skin serves as a filter for the colour red, and the colour is therefore perceived as green. The exact colour spectra is determined by the relative levels of oxygenated iron (HbO) and carbon dioxide in the blood. High levels of oxygen reflect red, and high levels of carbon dioxide reflect blue, which, when mixed with the yellowish colour of fat and or the skin, end up looking green. Yellow +blue=Green |
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| 45006. |
what is the difference between reflexaction and walking\xa0 |
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Answer» Reflex actions are sudden, involuntary reactions of the body in response to stimuli. They occur without the involvement of the conscious areas of the brain. Therefore, all reflex actions are unconscious actions. Reflex actions occur both from the brain and spinal cord which are the parts of the central nervous system. Most often these actions are mainly formed from the spinal cord. When sudden responses are required, instructions are given by the spinal cord itself. Impulses reach the brain only after that. Later conscious responses are made.\xa0Walking is a voluntary action which happens under the control of cerebellum of the brain. Walking is aquired or learnt as we grow. The thought is accepted by the brain upon necessity and is processed under its control. Reflex action is involuntary/ walking is volunteryIt is not control by brain / it is control by brainIt does not stop working/ it can be stopped |
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| 45007. |
Can zinc displace sodium from sodium hydroxide. Can any reaction will take place. |
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Answer» This reaction happens only for some metals like Zn and Aluminium. It gives a complex compound and H2 gas. With Aluminium, compound formed is NaAlO2 No because sodium is highly reactive than zinc..so zinc will not displace sodium No, because, sodium is upper in activity series than zinc Zinc will react with Sodium Hydroxide to from Sodium Zincate. In this reaction Zinc will not displace sodium from sodium hydroxide, but will displace Hydrogen as shown below:This reaction is accompanied by evolution of Hydrogen gas. |
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| 45008. |
What is animal harmones |
| Answer» Harmons are chemical messenger which carry messege from glands to diferent body parts | |
| 45009. |
Why we should avoid the bucket made by ordinary plastic . We usse bucket made of alloy . Why |
| Answer» Buket made from alloy are beter then ordinary as in alloy so many gradient are mixed hence they are strong cant break easily and long lasting | |
| 45010. |
Variations are beneficial for species but not for an organism.explain why |
| Answer» Because if a single organism have variations then he will be different for others and can\'t survive in that environment but when a species have variations that it will help to survive the species in adversing environment | |
| 45011. |
Oh no yar 1:17 hogaye yar kal subhe padna bhi hai bye apse baat karkar achaa bilkul nahi laga |
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| 45012. |
Which fluid protect from injury and shocks? |
| Answer» The brain is protected by the cerebro spinal fluid which helps in absorbing external shocks and prevents injuries. | |
| 45013. |
What is the main function of valve ? |
| Answer» The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood. aortic valve: located between the left ventricle and the aorta\xa0 | |
| 45014. |
What is bisexual? |
| Answer» The flowers in which both the male and female reproductive organs are present, are known as complete or bisexual flowers. They are capable of self-pollination.Example - Mustard, rose, lily, hibiscus, etc. | |
| 45015. |
What is radicle? |
| Answer» Radicle:(i) The part of growing embryo which later forms the root of young plant.(ii) It is positively geotrophic and negatively phototrophic. | |
| 45016. |
Flow of energy in an ecosystem is undirectional comment on the statement. |
| Answer» Energy in an ecosystem flows from producers to primary consumers, then from primary consumers to secondary constimrs and so on. There is never a back flow of energy, i.e. energy cannot come back to a trophic it has already passed. Therefore, the energy flow is unidirectional in an ecosystem. | |
| 45017. |
Why should be megnism ribbon clead |
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Answer» Beacuse a layer of oxide is formed on it so this oxid can change the product Because a layer of oxide is formed on it Because magnesium oxide layer is formed on it |
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| 45018. |
What is plankton |
| Answer» They are small organisms that float on water. They are of two types - 1 phytoplanktons like algae and 2. Zooplanktons like archae | |
| 45019. |
definition of human heart? |
| Answer» The human heart is a muscular organ that pumps blood throughout the body......... | |
| 45020. |
What ways you say that child is male and female? |
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Answer» Xy gametes = male, xx gamete = female If the child gets XX gametes then the result is a girl babyIf the child gets XY gametes then the result is a boy baby. |
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| 45021. |
What changes in pubertyin male and female. ?explain in point wise |
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Answer» In male change of voice, adam apple come out, pubic hair, beard etc. In female enlargement of breast , mensuration, hair under arm etc Males :Voice starts bolding. :hair on the face, underarms, abdominal cavity.:elongation and being tight of ***** at night Female:hairs in underarms and abdominal cavity:coming out or swelling out of the chest:darkening of of the nipples.:mensuration Given in book.. Refer google bro See in book |
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| 45022. |
Name the two type of reproduction |
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Answer» Sexual reproduction and asexual reproduction Asexual and sexual mode of reproduction |
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| 45023. |
What is the formula of blue vitriol |
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Answer» Blue vitriol is Copper (II) Sulfate Pentahydrate (CuSO₄.5H₂O).It has also been called Roman Vitriol or Vitriol of Cyprus.Vitriol is an archaic name for sulfates. Even today, the word ‘Vitriol’ without any adjective can mean ‘Sulfuric Acid’. This is in our course only Copper sulphate |
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| 45024. |
What is the role of seminal vessels |
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Answer» Thanx yogita Seminal vesicles - The seminal vesicles are a pair of sac-like glands that can be found within the male pelvis. It secretes alkaline secretions which lower the pH of semen and provide nourishment. |
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| 45025. |
rule for obtaining image formed by convex mirror |
| Answer» Using mirror formula 1/u+1/v=1/f | |
| 45026. |
give reaction of nacl and h2so4..asap plz |
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Answer» tanku both.. but gaurav what is this written on the arrow it\'s not clear ...how many degree Celsius? 2NaCl + H2SO4\xa0\xa0Na2SO4\xa0+ 2HCl\xa0Sodium chloride react with sulfuric acid to produce sodium sulfate and hydrogen chloride. Sulfuric acid - concentrated solution. The reaction takes place in a boiling solution.\xa0 2NaCl + H2SO4 → Na2SO4 + 2HCl |
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| 45027. |
Explain the balkan crisis?? (nationalism in Europe).. |
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Answer» The war set the stage for the balkan crisis of 1914 as thus surved on a produde to the first world war by early 20th century Bulgaria, greece Monthnegro and seria had achieved ottoman empire but large elements of their ethnic population remained under ottoman rule Hello Dear here is ur answer--:It includes two crises of two different periods.1. The First Balkan Crisis- 1908It started when Austria-Hungary annexed Bosnia because they wanted to expand their empire into the Balkans. But, Serbia annoyed by this because they wanted Bosnia to become part of a \'Greater Serbia\' . At that time, Russia backed up Serbia as the protector of the Slavic people. Serbia and Russia had to back down because Germany backed up Austria-Hungary, as per Triple Alliance of 1882. Germany\'s army was far stronger than Russia\'s, and so backing down was their only option. However, Russia began to modernize its armed forces and increase the speed of their mobilization.2. The Second Balkan Crisis- 1912 & 1913The Second Balkan Crisis consisted of two Balkan Wars: 1. The First Balkan war of 19122. The Second Balkan War of 1913 |
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| 45028. |
Anushka Jugran kya tum online ho? |
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Answer» The war set the stage for the Balkan crisis of 1914 and thus served as a "prelude to the First World War". By the early 20th century, Bulgaria, Greece, Montenegro and Serbia had achieved independence from the Ottoman Empire, but large elements of their ethnic populations remained under Ottoman rule. Sorry.. Mera nationalism in india wala chapter h Plz answer my question... Explain balkan crisis |
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| 45029. |
Difference eukaryotes and prokaryotes? |
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Answer» Eukaryotic cells have nucleus , it have complete advanced cell.prokaryotic does not have nucleus and have incomplete cells. Ya Eukaryotic cells are those which have nucleus whereas prokaryotic cells r without nucleus. |
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| 45030. |
Explain the heart in all part |
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| 45031. |
Do anyone knows about theory of relativity |
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| 45032. |
What is homologas seris |
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Answer» Homologous series is a series in which successive member of series differ by \'CH²\' group or by 14u series in which hydrocarbon differ by 2 |
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| 45033. |
Why two magnetic feilds line never meet at one point |
| Answer» Two magnetic field lines never intersect each other because if they intersect each other then at the point of intersection, the compass needle will point towards two directions,which is not possible.. | |
| 45034. |
Define thalamus |
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Answer» Abhe sade book kholkar dekh le This is part of thyroid gland |
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| 45035. |
Why stars are twinkling ???????????? |
| Answer» Because of refraction in layer atmosphere | |
| 45036. |
Explain the functioning of the AC motor???? |
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| 45037. |
Seas of bygone ages . |
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| 45038. |
What is orall pills ? |
| Answer» which was taken by female to avoid pregnancy during coopulation | |
| 45039. |
How human use condom? |
| Answer» To stop unwanted pregnancyTo stop STD\'s | |
| 45040. |
Reaction of black coating of silver with sulphuric acid?? |
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Answer» Silver sulphide will be formed along with water. Ag + 2H2SO4 --------> AgS +2H2O |
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| 45041. |
Advantages of parallel combination |
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Answer» 2 out of 1.5 Each appliance gets equal voltage.. If one appliance stops working, other appliance keeps on working...resistence is low do high amount of current is been passes... Every appliance have separate switches. How many marks |
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| 45042. |
if an electric bulb of 60 w is light for 10 hour how much energy consumed in joules |
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Answer» 600 wh E=P×TE=60×10E=0.6KWHE=0.6×3.6×1000000E=2160000J |
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| 45043. |
while preparing a temporary stained mount of a leaf epidermal peel the extra stain is removed by |
| Answer» Filter paper | |
| 45044. |
explai the role of evolution |
| Answer» Evolution leads to increased biodiversity and complexity of organisms. | |
| 45045. |
Explain me about the colours of the elements or send me any link |
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| 45046. |
Byyy .,, Kuch log itne MATLABI honge socha nahi tha ??? |
| Answer» Why | |
| 45047. |
Explain hologic nutrition |
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Answer» Holozoic nutrition is type of nutrition solid and complex organic food is directly taken into the bodyThis type of nutrition take place in 5 steps namely ingestion,digestion, absorption, assimilation and egestion.For example amoeba,different vertebrates. Bhai sahi se questions to dal |
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| 45048. |
How to difference nutrition and nutrients? |
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Answer» Welcome ?? Nutrition is the process or mode of obtaining nutrients.Nutrients is chemical required by our body. |
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| 45049. |
What is the function of lipase and salivary amylasr? |
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Answer» They break down complex sugar into simple sugar. It\'s ok |
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| 45050. |
Can coughing be a voluntary action when it is done intentionally |
| Answer» Ya ..... it will be a voluntary action if done intentionally | |