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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.
| 7151. |
Who predict coming human generation is \'homo sapiens futuralis\'? |
| Answer» | |
| 7152. |
Explain Partial theory of light |
| Answer» Light is composed of particles which travel in a straight line at very high speed. | |
| 7153. |
What is speed of light in vacvum |
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Answer» Thankyou 3×10\'8m/s |
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| 7154. |
Why light travels in a straight line? |
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Answer» 299792458m/s Due to high speed it\'s INERTIA OF MOTION makes it to travel in a straight line |
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| 7155. |
draw c2h4 |
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Answer» Ethene What does it mean bro, c2h4 |
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| 7156. |
Food cans are coated with tin and not with zinc why |
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Answer» Zinc is more reactive and can corroded easily Right answer is zinc is more reactive thantin To prevent them from rancidity Zinc is more reactive than tin |
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| 7157. |
Define human alimentary canal |
| Answer» The passage in which digestion takes place | |
| 7158. |
Why dispersion not occur in glass slab |
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Answer» Due to refraction Bcz it doesn\'t scatter light at all Here refraction occurs ... |
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| 7159. |
Determination of evoparation of liquid |
| Answer» Remaining liquid will e less | |
| 7160. |
Why NaOH is formed near cathode |
| Answer» Because it is base | |
| 7161. |
Write in ascending order of IONIZATION POTENTIAL......Al , Si , P and S. |
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Answer» I think your answer is incorrect. ....see in language of chemistry periodic table thae arrangement is.....Al Si S P Al - Si - P - S Left to right ionisation energy increases Al | |
| 7162. |
What presbyopia |
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Answer» It is the deffect of vision due to which an person cannot see the nearby objects clearly due to loss of power of accommodation in eyes Eye* Myopia & hypermeteropia in same aye A condition in which a person suffers from hypermetropia as well as myopia at the same time |
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| 7163. |
What is ELECTRON AFFINITY? |
| Answer» Love with electron ...gaining desire of e- | |
| 7164. |
What is the most c |
| Answer» What do you mean c Shubham bhai | |
| 7165. |
What is use of esterification method??? |
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Answer» Opposite of saponification During this reaction ester is released which is used to prepare fragments |
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| 7166. |
Explain the reaction b/w carbon monoxide & hydrogen |
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| 7167. |
Endocrine cells of human testes are called.... |
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Answer» Ya right thanks Or interstitial cells Leydig cells Sperm |
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| 7168. |
What is menstruation?? |
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Answer» The discharge of blood from female body bw every 28-30 days due to release of mature egg The removal if dead ovum in the form of blood . Monthly vaginal bleeding. Can u please tell me in simple language?? Process kf breaking if uteres thick linig and coming out as a form of blood , it carries dead ovum with it to dispose it |
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| 7169. |
What is reprodutive system ? |
| Answer» The system which helps in reproduction . | |
| 7170. |
Name first human type of human evolution. |
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Answer» And Homo neanderthalis First species were homo sapiens Sorey Ramapithicus Rama8 |
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| 7171. |
What is translocation and transpiration??? |
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Answer» The transfer of food from leave to all parts in plant is translocationThe loss of water from aerial parts of plant Is transpiration Loss of water from areial parts of plants is known as Transpirationan Transpiration :- loosing of water or evaporation of water from stomata Translocation :- transfer if prepared food |
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| 7172. |
When we add conc. H2So4 in ethanol what product we get ?? Name it with formula |
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Answer» Ethene with double bond C2H5OH + H2SO4( catalyst ) ---> C2H4 + H2O It is dehydration reaction Ehthen + water as product |
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| 7173. |
Which is the real bleaching agent present in bleaching powder |
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Answer» Correct answer is chlorine Calcium chloride |
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| 7174. |
What is the formula of saponification?? |
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Answer» See chapter 4in chemistry in ncert book CH3COOC2H5 + NaOH ( catalyst ) -----> CH3COOH + C2H5OH Equation |
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| 7175. |
Acid + base ---> salt + water !! Then why HCl+ NH3 --- > NH4Cl ....and here no water ?? |
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Answer» Even water is base & it is acid in same reaction !! React two eater molecules = H2O + H2O ---> .....so ammonia bahaves like acid & base too & here it\'s a base Nh3 is not a bse it is ammonia.. ammonium is base |
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| 7176. |
pH value if amphoteric oxide ?? |
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Answer» If you know the answer so tell na Nope Depend... if react with acid less than 7 and if with base above than 7 I think 8.4 |
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| 7177. |
What are rod and cone cells of human eyes write their functions? |
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Answer» Cons for colour vision and rods for black and white Mujhe toh pta he nhi tha iss book ke bare may I would prefer dinesh Oh thanks for advising me s.chand Rod se raat ko dekh skte hai... aur cone se colours Please refer schand Rod... they r mainly subjecyed to intensity of the lightCone... they r mainly subjected to the colours Can you elaborate it Night vision & day visions ....help to see at night & at day |
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| 7178. |
While during the day sky appears blue. Why |
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Answer» When sunlight travels from the earth\'s atmosphere, blue light is scattered more than red. When we look up this blue light enters our eyes. Therefore, sky looks blue Blue light scatter more than other colours Due to atmospheric refraction |
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| 7179. |
Name an organisms that reproduces by spores |
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Answer» Hello any one is their for me???? Rhizopus Algae |
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| 7180. |
*** ratio define |
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| 7181. |
What are chawls |
| Answer» Chawls were multi storeyed structures which had been built from at least the 1860s in the native part of the town | |
| 7182. |
Define germination |
| Answer» The process of something coming in existence and developing | |
| 7183. |
Flower which having both carples and stamens |
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Answer» Mustard and hibiscus Mustard hibiscus.. Hibiscus |
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| 7184. |
Which gas is use in fire extinguisher |
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Answer» Co2 i think Halon Ans.CO2 (carbon dioxide ) CO2 Co2 |
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| 7185. |
Give an example of flower which contain both stamens and carples |
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Answer» Mustard Hibiscus |
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| 7186. |
Chapterwise weightage of science |
| Answer» Don\'t know | |
| 7187. |
What is good source of energy? |
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Answer» Sun is the ultimate source of energy Those who don\'t give pollution Coal, petroleum,etc are good source of energy. Solar energy That does not cause pollution.. A source which is : 1. Easily accessible2. Cheap3. Easily transportation4. No harm to environment5. Causes no pollution or very less pollution |
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| 7188. |
What is reactive series ? |
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Answer» The series in which metals are placed on their basis of their reactant Series of elements arranged in the form of acending or descending order on the basis of their reactivity. ☺️ Series in which reactants are placed acc to highly reactive or least reactive The series in which reactants are placed.. |
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| 7189. |
What will happen when coal burns incompletely |
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Answer» However during burning yellow is not visible to human eye When hydrocarbons burns it gives yellow flames Evolution oof black mass would take place causing pollution.. |
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| 7190. |
Formation of KCl by transfer of electron |
| Answer» Yha pr kese | |
| 7191. |
Why mineral acid are stronger acids than carboxylic acid |
| Answer» High degree and disassociate property. | |
| 7192. |
What is acyclic & aromatic compound |
| Answer» | |
| 7193. |
Lab manual k marks add hote h kya age ? |
| Answer» Ya I think 5 mark of each subject | |
| 7194. |
Which acid is present in vinegar |
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Answer» Ethanoic acidOrGlacial acetic acid Ch3COOH Acetic acid Acetic acid Acetic acid |
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| 7195. |
Write the difference between Nastic movement and tropic movement |
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Answer» Nastic movements are undirectional movements whereas tropic movements are directional growth movements. Nastic movement is random movement and tropic movement is growth dependent movement |
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| 7196. |
1 persec is equal to how many light years |
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Answer» Thank u 3.262 |
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| 7197. |
What is difference between autotroph and chemo autotroph with ex |
| Answer» I think both of these are from different chapters | |
| 7198. |
Randcity |
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Answer» Fats and oils in food kept for long time get oxidised and taste of food changes and causes infection on eating. This is called rancidity Hello you are from where |
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| 7199. |
Hamoglobin is present in lymph |
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Answer» i think no hemoglobin is not present in lymph In RBC Lysosomes are present in lymph It is found in RBC No, in blood |
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| 7200. |
White black photography |
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