Saved Bookmarks
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.
| 41451. |
What is STATIC CHARGE of an electron? |
| Answer» | |
| 41452. |
What is BETA particle? |
| Answer» Beta particles are fast moving electrons emmited by radioactive decay of substance. | |
| 41453. |
Why the reaction between methane and chlorine called a substitution reaction ? |
|
Answer» Because cl displaces the h2 from methane B/c the atom of hydrogen is being replaced or substituted by the chlorine atom.. |
|
| 41454. |
Mechanism of heart |
| Answer» | |
| 41455. |
व्हाट इस कार्बन |
|
Answer» Carbon is a non - metal. It\'s symbol is C. The word carbon is derived from the latin word "carbo" which means " coal".... C is a non metal which makes covalent bond and its valency is 4 |
|
| 41456. |
Why plant need double fertilisation ? |
| Answer» Because their growth depends upon the weather conditions and if the fertilization ocvirs in off season then the seed has to survive until the suitable weather for their growth comes.......so they need a source of nutrition which is provided by the fusion of a pollen grain with polar neuclei which forms endosperm........process is called double fertilisation | |
| 41457. |
I have a science exam tomorrow yar |
|
Answer» All the best... ??? Best of luck |
|
| 41458. |
What is natural selection |
| Answer» In simple words (Survival of fittest).Nature select those who r fittest in all to survive on the earth.Rest gets rejected and die. | |
| 41459. |
Milk (renewable or non-renewable source) |
|
Answer» Renewable Non renewable I think renewable non renewable I think Non renewable source |
|
| 41460. |
What are allele? |
|
Answer» Kya hua sorry to bola? Sorry google se puchha ? Each of two or more alternative forms of a gene that arise by mutation and found at the same place on a chromosome ? |
|
| 41461. |
What is dominant and recessive gene ? Explain briefly |
| Answer» | |
| 41462. |
Different between +ve geotropisim and _ ve geotropisim. |
| Answer» Geotropism is the growth movement in plants in response to the force of gravity. The negative geotropism is defined as the upward growth of the plant\'s part against gravity. Stem is example of negative geotropism. Whereas, the positive geotropism is defined as the downward growth of roots. Root is example of positive geotropism. | |
| 41463. |
Which element exhibit the property of catenation to maximum extent and why |
|
Answer» Carbon or silicon Because it 4 electons in its last shell Carbon Is it carbon? |
|
| 41464. |
In terms of evolution which should have better body design spider chimpanzee or bacteria or fish ?? |
| Answer» Chimpanzees. | |
| 41465. |
give an example of a flower which contains both stamen and carpet? |
|
Answer» Mustard Hibiscus Hibiscus, mustard. Hibescus (China rose) |
|
| 41466. |
How can we identify that any compound is getting oxidised or refused? |
|
Answer» Very easy Redox reaction is which where oxidation and reduction both occur Add of oxygen or removal of hydrogen is oxidation and its opposite is reduction And in redox reaction....? Oxidation is loss of electrons whereas reduction is gain of electrons... modern concept.. The compound which is gaining electrons is getting reduced and which is donating electrons is getting oxidized. |
|
| 41467. |
Hiii how is your preparation for boards gping on?? |
|
Answer» Awesome Fantastic |
|
| 41468. |
What is lenz law ? |
|
Answer» Yes ye NCERT ka nahi hai side book No out of syllabus The direction of induced current is such that it oppose the cause (change of magnetic flex) due to which it produced. Bro humne toh Ncert may nhi dekha No its related to lesson magnetic effect of electric current Ya right.. Out of syllabus .... in class 11 or12 |
|
| 41469. |
What is reproduction? What could be essential |
| Answer» | |
| 41470. |
What is the difference between addition reaction and substitution reaction? |
| Answer» In addition hydrogen is added whereas in substitution hydrogen is replaced.,, or displace othrr | |
| 41471. |
How can I study |
|
Answer» Its all depends on u By opening books? Sincearely Depends on you By full concentration |
|
| 41472. |
Which is the most reactive metal and non metal |
|
Answer» Metal - frankium. Non metal - chlorine Most reactive-potassium Most reactiveMetal-sodium,potassium. Non-metal -fluorine. Most reactive metal-sodium potassium |
|
| 41473. |
Let\'s DISCUSS ON TOPIC???MAGNETIC EFFECT OF CURRENT |
|
Answer» Any more Is it clear Electric geriatric is device used to convert mechanical energy into electrical energy. ...Electric motor is used to electric to mechanical energy... See video of CANVAS CLASSES on YouTube. . Tell Tell me the basic of electric motor and generator The close curve around the magnet What is meant by magnetic field I cannot understand the concept of electric motor and generator Ok Kk Ok |
|
| 41474. |
What happens when bromine water is added to ethene gas? Anyone can answer |
| Answer» The reddish brown colour of bromine solution disappear. | |
| 41475. |
Yes I know but actually I am not satisfied from this answer. |
| Answer» | |
| 41476. |
Give technical term for the following.a. Division of cytoplasmb. Division of nucleus |
| Answer» | |
| 41477. |
Name the type of Reaction when lead nitrate is heated |
| Answer» thermal decomposition | |
| 41478. |
What are amphoter oxide ? |
|
Answer» What is colour of silver chloride Oxide of metal which reacts with both acid as well as base to give salt n water The oxides which show both acidic as well as basic behaviour Those oxides which shows the both acidic and basic characters Those metal oxide which show basic as well as acidic behaviour. |
|
| 41479. |
Function of hormones |
| Answer» To stimulate smother functioning ....control and coordination. ... hormones are chemical messengers in body | |
| 41480. |
what do you mean by refraction of light? explain with an example |
|
Answer» Bending of light when it travels from one medium to another due to the difference in optical density of two mediums is known as refraction. Ex- light rays bend its path when it travellers from air to water. Hii |
|
| 41481. |
Chemical formula for soap? |
|
Answer» Making of soap formation May be C17H35COONa |
|
| 41482. |
How Cathodic protection is done? |
| Answer» | |
| 41483. |
What is house_holds. |
| Answer» | |
| 41484. |
What is the colour of lead nitrate |
|
Answer» Colourless In occurs in crystals in white powder |
|
| 41485. |
What is meaning of being polar from chemistry |
| Answer» | |
| 41486. |
what are disadvantages of tissue culture? |
| Answer» The plant obtained is not of same nutritive value....and also not available for all plants | |
| 41487. |
What is the difference between F1 and F2 generation ,? |
|
Answer» F1 generation refers to the offspring resulting from the first set parents and F2 generation from a cross among the members of F1 generation F2 is of children F1 generation is a parents generation In F2 generation the boys variations r in ratio 4: 1 both of diminant n reccesive... In F1 generation... All variations r only dominant genes.. |
|
| 41488. |
Difference between F1 n F2 generation |
| Answer» F1 Generation :> In monohybrid cross when a cross is made between the contrasting pair of a trait only one of the trait appears .> In dihybrid cross when combination of contrasting pair of two trait only one varitey of each aappear.F2 Generation ::> The other variety of each trait reappers on the same line of dihybrid cross> The presence of two new combination of two pairs of trait also occurs. | |
| 41489. |
By chemical test how we can distinguish between alcohol and carboxylic acid |
| Answer» By adding sodium bicarbonate to both of them Reaction will take place with carboxylic acid but no reaction with alcohol | |
| 41490. |
NCERT EXEMPLAR PROBLEMS. ...why fire flies glow? |
| Answer» | |
| 41491. |
What is monovalent cations? |
| Answer» Have only one cation | |
| 41492. |
What is difference between electric potential and Potential difference? |
|
Answer» electric potential is the work done to bring an unit positive charge from infinity to that point in electric field but potential difference is the work done to transfer a unit positive charge from one point to another in the electric field This asked in CBSE Yeh dono ek hi h |
|
| 41493. |
Is retina takes oxygen from atmosphere |
|
Answer» Not at all Of course not No |
|
| 41494. |
24 Jan pe mera science exam hai koi mujhe important questions bata de |
|
Answer» Explain lewis acids and base What do u mean by duplet rule What is periodicity Yes diksha u are right ? Bhai aap nis app pr chatting kr rhe ho usi me science ke important ques h Wait mai batati hu |
|
| 41495. |
why grapes show fermentation when are detached from tree |
| Answer» Anaerobic respiration | |
| 41496. |
Please give me some tips or ideas how will I study science subject |
| Answer» Only go through NCERT for revision | |
| 41497. |
Define term induced current. |
| Answer» | |
| 41498. |
Name 2 sources of direct current |
|
Answer» cell, solar energy,dc generator ,invertor Dry cell and car battery |
|
| 41499. |
List two sources of magnetic field |
| Answer» | |
| 41500. |
How causative agent of KALA-AZAR reproduces? |
|
Answer» The causative agent of kala azar is LEISHMANIA DONOVANI.It reproduce lognitudally by binary fission I don\'t know.... Ye 9 k ncert me h... Is it LEISHMANIA. Protozoan microbes.. This is asked in class 10 See class 9 ncert book |
|