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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.

8201.

Why all the substance become red ,if we over heat it or melt it

Answer»
8202.

Vector ✖️vector=? And why?

Answer» ??
??
8203.

I guess nobody knows what is osmoregulation.

Answer» The answer said by shashak Is correct
Thankx
I gave ur ans...
I know
Osmoregulatiom is the regulation of osmotic pressure between phloem and Plant cells through which food enters the cellsNever say nobody knows anything
8204.

To prevent accidental fires,some metals are kept immersed in kerosene oil.why?

Answer» I agree with these answeres
Because these metals fastly React in atmosphere and catch fire
Because some metals like sodium when comes in direct contact with air catches fire so if they are kept in kerosene they cannot come in direct contact with air and does not catches fire
Because some metals like sodium and potassium are very highly reactive metals.. They react with oxygen present in air and can catch fire..
8205.

What do you mean by biolrocess

Answer»
8206.

Kiska kiska practical exam ho gaya

Answer»
8207.

Which isotope of uranium can undergo fission readily ?

Answer»
8208.

What is electrolysis of salt sotution

Answer»
8209.

What is the difference between AC current and DC current? Answer in 50-60 wplords

Answer» Hi shashank
1-The flow of current of dc remains same it doesn\'t changes whereas the flow of ac current changes after an equal interval of time. 2-dc current have no frequency whereas ac have frequency. 3-dc is repulsive in nature whereas ac is attractive in nature
AC current also known as alternating current has the following properties in AC current the polarity of the current changes after regular interval but in DC current the polarity of the current do not change is AC current is used for transmission of electricity over long distance but DC current could not be used for the transmission of electricity over long distance AC current is generated from electricity generator while DC current is given out by battery etc
8210.

Who to convert mA to ampere

Answer» by dividing it by thousand
8211.

What is double Circulation system?? Anyone in detail???

Answer» Achaaaaaa
In s chand it is given
8212.

What were the limitations of newlands law of octaves?

Answer» 1. It was not based on any scientific theory 2. It was not applicable for all the elements after calcium3. It was applicable to only lighter elements
Applicable upto Ca, no gaps for elements to be discovered later, elements put together in one slot and with other elements that did not resemble their properties.
8213.

How i am study science for board

Answer» But bro time kaha hai
Study all chapters thoroughly bhai it will happen.
8214.

Write a balanced chemical equation for process of photosynthesis

Answer» 6CO2 + 12H2O =C6H12O6 + 6H2O + 6CO2
8215.

If object is placed at a distance of 30cm of concave mirror of focal length 10cm find image distance

Answer» V=-15 cm
8216.

Diversity

Answer»
8217.

Please define capillaries in easy language...??

Answer» Kal pakka abhi mujhe neend aa ri h good night
8218.

Cravlite ka formula Na3AlF6 hota hai OK?

Answer»
8219.

Why are the conductors of electric heating devices made of an alloy

Answer» Because they have high resistance
8220.

Budding in yeast diagrams

Answer» Lab manual main dekh ya Google bhai se pooch le
8221.

What is difference between short circuit & overloading?

Answer» When live wires and neutral wires covering has torn and they touch each other then resistance become very low this is known as short circuitWhen too many apliences of high power are switched on togtherthis draw this draw large amount of currentthis is known as over loading
When resistance of the wire became very small without connecting any extra load a large amount of current flows through it .The circuit is said to be short circuited. If the current drawn by the many electrical appliances connected to single soket and the wire of the entire circuit get heated and can cause even fire this is known as overloading
8222.

How is *** determination in human child

Answer»
8223.

Nutrition in paramecium

Answer»
8224.

What is ten percent law explain with an example how energy flow through different tropic level

Answer» Transfer of 10% of energy to each trophic level its eg is in schand book
8225.

Verify ohms law by an activity

Answer» Ohm(R)= potential diff(V)/ current(I)
8226.

Define one coulomb charge

Answer»
8227.

What is mean dna

Answer» samjhe☺☺☺
full form of dna Deoxyribonucleic acid
DNA determines the particular structure and function of every cell.
DNA means deoxy ribo neuclic acid
A self replicating material which present nearly all living organism as the main constituent of chromosomes.
That contains genes of an individual
8228.

In which fprm do the plants store the trapped solar energy ?

Answer» Glucose
Sure??
In form of starch by chrophyll absorb light use in photosynthesis
8229.

Mention the factor that decides the number of elements in period 1,2,3,4

Answer» Valence elctron....valency....atomic size.....metallic character....non metallic character
8230.

Refractive Index of diamond is 2.42 what is the meaning of the statement

Answer» It means that speed of light in diamond is one upon 2.42times speed of light in air
1•24
It means that....light travel 2.42 times faster in vaccum than in diamond
8231.

Describe the nutrition process in animals.

Answer» In unicellular animal all process of nutrition are perform by singel cell.
there are 5 main process concerned with the use of food by animals.there are: Ingestiondigestionabsorptionassimilation and egestion.
book me h
8232.

What happens when iron is reacted with oxygen and water?

Answer» Fe + O2 + H2O => Fe2O3 (Ferric Oxide or rust)
Rusting
8233.

Difference between general growth and sexual maturation

Answer» Growth is a positive change in the size, often over a period of time which includes physical growth in height, weight, change in shape and size of the body.Sexual maturity is the age or stage when an organism can reproduce. It is brought about by a maturing of the reproductive organs and the production of gametes. It is also accompanied by a growth spurt or other physical changes which distinguish the immature organism from its adult form. In humans, this process of sexually maturing is termed puberty.
8234.

difference between convectional and non convectional source of energy

Answer» Conventional sources are non renewable sources. They r limited, exhaustable. They are not eco friendly.eg. Fossil fuels Non conventional sources are renewable sources. They unlimited, inexhaustable and free of cost. They are eco friendly and pollution free. Eg. Solar and hydro energy.
8235.

Write the no. Of covalent bonds in the molecule of propane?

Answer» 10
8236.

Which of the following will show tyndall effect

Answer»
8237.

Name the acid present in tamarind?

Answer» Tartaric acid
Tartaric acid
8238.

Give chemical properties of metals

Answer» Metals displaces hydrogen from mineral acids. Their oxide\'s nature is acidic, for example, Na2O, MgO etc. These oxides are ionic also in nature. They don\'t combine with hydrogen to form hydrides like non-metals do. Metals are electropositive in character. Metals behaves as reducing agents, as they have a tendency to lose electrons easily Na-->)(Na+) + (e-).
Lagta h metals ki property kisiko nhi pta
When reacted with acid liberate hydrogen gas and when reacted with metal carbinate or hydrogen carbonate liberate carbon dioxide
8239.

Propane undergoes addition reaction

Answer» Look at my question
8240.

Does anybody have light chapter notes

Answer» Send me plz
No use hard
Yes
Yes
8241.

What is hydrogenation???(carbon and it\'s compounds)

Answer» It is a chemical reaction between molecular hydrogen and another compound or element.
8242.

Which sample paper is best for science board exam

Answer» U like
I think both r best
Arihant is most best
Oswal...
8243.

Write the fuction of madulla and cerebellum

Answer» Cerebellum maintains balance of the body, posture and coordinates muscular activities. Medulla controls all involuntary actions like salivation, breathing and vomiting.
Thx
Thnx
Correct priyanshi
Cerebellum translate plan
Medulla control autonomic function
8244.

What is electromagnetic induction.

Answer» Production of emf due to magnetic field......
Look at chapter 13
8245.

What does one mean by exothermic and endothermic reaction? Give examples

Answer»
8246.

soap and Detergents

Answer»
8247.

Why are alkanes so inert

Answer»
8248.

Who discover Reflex actions first?

Answer» Ishan G You are very very funny
Are mere dost ne meko thappad mara.. mene 1 sec ke andar doosre haath se maar diya..???
Yrrr
Koi Descartes tha shayad
Are shi me
Hmm???
Very funny..
Me...
8249.

Name the method by which hydra reproduces. Is this method is sexual or asexual.

Answer» Tynxx to aall off u
Budding. Asexual
Hydra reproduces by asexual method of budding and regeneration.
Asexual
8250.

On which date , our practical exam will be held???

Answer» Oh sorry yha type nhi kr rha tah
Gawaro ki mahanagri school se hai yeh???
Kaunse school se ho tum