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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.
| 42001. |
Xylem phloem |
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Answer» Xylem are the tissues in plant which help in the transport of water from the root to the leaf only.Phloem are the tissues in plant which are responsible for transport of food made by leaf in form of glucose. These are the kind of tissues in plants. Xylem transports water and phloem transports food in plants. Oh sorry xylem phloem ?? |
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| 42002. |
C+O2➡CO2What type of reaction? |
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Answer» Combination reaction as reactants form a single product Combination reaction Combination and oxidation. Both Combination reaction Combination reaction This is oxidation reaction |
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| 42003. |
Hypermayopia dease |
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Answer» In this disease a person can see distant objects clearly but can\'t see nearby objects clearly. In this disease image formed behind the retina. It can be corrected by using convex lens of appropriate power. Danger hoti h ✌ |
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| 42004. |
Why hydrogen gas is consider as also metal? |
| Answer» Because in its last shell the no of e- is 1 And we know that which element\'s last shell contain 1,2or 3 e- is consider as metal. | |
| 42005. |
Mg+2Hcl➡MgCl2+H2What type of reaction |
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Answer» Displacement reaction Single displacement reaction Decomposition reaction Displacement...... Aur exothermic......... |
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| 42006. |
What is a good fuel |
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Answer» Have moderate ignition tempreture... A good fuel has high calorific value, it will be pollution free, cheap and easy to store. Cheaply available High calorific value High calorific value Produce less smoke , economic al Methane Produce less smoke Which is easily available and economically assisable 1.does not cause pollution 2.easily available 3.burns completely. |
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| 42007. |
L\'s flower |
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| 42008. |
The term genetics was coined by: |
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Answer» Wilhelm johnson Okk i didnt knew that As I have studied he replace the term factor (which was given by Mendel) by gene. Wilhelm Johnson I think Johannsen Patani ..but shi me foolish tha Wo foolish kon tha Thanks Gregor mendel |
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| 42009. |
what happens when potassium permanganate is added to butter |
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Answer» What occurs is that a Benzoic acid solution is formed, which soon takes a white solid crystalline structure. think It slowly turns to fire It slowly turns to fire Butter pink kese hogaa Loose its pink colour |
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| 42010. |
Which chapter is important in chemistry |
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Answer» Aap konse subject me sabse ache ho? Means your favourite subject. Ok Lucknow U.P SVGMS Phalodi Which school Aur aap? Jodhpur, Rajasthan Kaha se ho khushi Hii Hi khushi I think chapter no. 4 &5 All All are important 5 hi toh hai saare imp hai |
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| 42011. |
What is responsible for attainment of sexual maturity in both males and females |
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Answer» Development of sexual organs ,changes,release of some hormones Releasing of hormone like oestrogens in female and testosterone in males Harmone Male -testoterons female -estrogen ,progestrone |
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| 42012. |
Explain the role of digestion in organism in our body |
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| 42013. |
On which side is F1 nd F2 taken in the convex and concave lens?? |
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Answer» Yes fir both Both for concave and convex?? F1 on left and F2 on right |
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| 42014. |
What is feed back mechanism? |
| Answer» It is the mechanism in which .. in a cascade reaction release of last hormone governs the release of first hormone | |
| 42015. |
Is there any law for always putting object in the left side of a concave/convex lens??? |
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Answer» No. ?? No,, we just take it on left bcoz of focal length is on left |
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| 42016. |
The component of blood which transport food ,CO2, nitrogenous wastes |
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Answer» Blood plasma. Plasma membrane |
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| 42017. |
Which acid found in ant ? steak |
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Answer» Agar Kisi ki doubt h to ncert mein check Karo plzz Right answer is methanoic acid. Formic acid Methanoic acid Methanoic acid Formic Formic acid Formic acid Antacid |
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| 42018. |
What is the resistance of air gab ? |
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| 42019. |
What is suphoniphication reaction |
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Answer» Reaction used to convert ester back into ethanol and any sodium salt of ethanoic acid is called saponification. Process of making soap is called saponification |
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| 42020. |
What are fulleron? |
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Answer» Fulleron is first kind of fullerene I kind of fullerene |
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| 42021. |
What happen when ant bite |
| Answer» It injects methanoic acid into skin | |
| 42022. |
Name two harmone responsible for growth harmone in plant? |
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Answer» Thanx anchal khushi and harsh Aux in and Gibrellin helps in plant growth... Auxins and Cytokinins Auxin |
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| 42023. |
how do Mendel experiments show that the traits may be dominant or recessive? |
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Answer» And do cross between them By taking dwarf and tall pea plant ncert question..see ncert solutions on this app. |
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| 42024. |
PH value of acetic acid ? |
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Answer» six Six 6 |
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| 42025. |
Power of accommodation |
| Answer» It is a ability to adjust focal length | |
| 42026. |
Give example of endothermic reaction |
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Answer» Ba(OH)2 + 2NH4Cl = BaCl2 + 2NH4OH Reaction of carbon with oxygen to form carbon dioxide |
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| 42027. |
what is amphorteic oxide give two examples? |
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Answer» The oxide which show both acidic as ywell as basic nature is called ampotheric oxide ex aluminum oxide and zinc oxide The oxides which are both acidic and basic in nature are called amphoteric oxide. For ex.Aluminium and Zinc Those metal oxide which show basic as well as acidicbehaviour are called amphoteric oxides Ex:Al, Zn |
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| 42028. |
Chemical formula of respiration |
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Answer» C6H12O6 +6O2-------------->6CO2 + 6H2O + heat.. It may be reaction nd that is:C6H12O6 + 6O2 = 6CO2 + 6H2O + ENERGY (ATP) |
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| 42029. |
2 limitation of newland octave rule |
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Answer» He was said their should be only 56 elements not be discover in future and his law of octave was right yet calcium Co and ni is putted very far away from fe According to him every 8 element show the nature of 1 element but this is applicable up to ca Every 8 element having characteristic of 1element Put some unlikely atom in same group ... also put 2 elements together |
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| 42030. |
Function of erth wire in electric instrument |
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Answer» It neutralises the excess current in to the earth and protect electrical appliances from short To protect the circuit from short circuit |
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| 42031. |
In how many parts can acids be divided into? |
| Answer» Acids can be divided into two parts Organic acid and Mineral acids | |
| 42032. |
What is rosting |
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Answer» Rousting is a process of metallurgy in which a sulfide ore is heated in air these process may be convert a metal sulfide to a metal oxide or to a free metal for example roasting zns may yield zno roasting HGS may yield free hg matel heat up in presence of oxygen... |
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| 42033. |
Define the laws for plane mirrror |
| Answer» https://en.m.wikipedia.org/wiki/File:Mirror.jpg | |
| 42034. |
What happens to the crystals of washing soda when exposed to air? Name the phenomenon exhibited. , |
| Answer» | |
| 42035. |
What is spore formation? |
| Answer» Mode of reproduction in which organism breaks intoo pieces or spores. | |
| 42036. |
Define food web? |
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Answer» Network of various food chains which are interconnected at various trophic level Interlinkage of tropic level .(short). |
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| 42037. |
What is 10 percent law? Give an example |
| Answer» Energy passed to next tropic Evel is 10% of the previous tropic level.eg grass(100%)-insect (10%)-frog(0.1%). | |
| 42038. |
Name a non metal which is lustrous |
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Answer» Iodine Iodine Iodine Iodine |
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| 42039. |
Coliform |
| Answer» Bacteria present in human faeces and other warm blooded animals. | |
| 42040. |
Pythogeon |
| Answer» | |
| 42041. |
What are the factors that lead to speciation? |
| Answer» Ans.Genetic drift, natural selection and Geographical isolation | |
| 42042. |
Give reasons why copper is used to make hot water tank and not steel* |
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Answer» Because copper is a good conductor of electricity & heat then steel Because copper is good conductor of electricity than copper |
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| 42043. |
Explain energy flow in ecosystem |
| Answer» in an ecosystem energy flows through the food chain .......10percent of the upper level to its next level...... | |
| 42044. |
Describe any four modes of disposal of water |
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| 42045. |
What is micro biology |
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| 42046. |
Is electric motor and generator are in case syllabus yes or no? |
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Answer» Yes Yes |
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| 42047. |
Why sun appears reddish |
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Answer» Because of atmospheric refraction all blue coloured light have been scattered out therefore Sun appears red at sunrise and sunset See in ncert Because of atmospheric refraction |
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| 42048. |
"coir of commerce" comes from which part of the coconut? |
| Answer» Husk of coconut. | |
| 42049. |
Name any two human traits which show varation |
| Answer» Eye colour and hair colour | |
| 42050. |
How do Mendel\'s experiment show that trait\'say be dominant or recessive |
| Answer» | |