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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.
| 55651. |
Describe the digestive system in humanbeing |
| Answer» | |
| 55652. |
What are advantages of geothermal energy? |
| Answer» Advantages of Geothermal Energy1) It is a renewable source of energy.2) By far, it is non-polluting and environment friendly.3) There is no wastage or generation of by-products.4) Geothermal energy can be used directly. In ancient times, people used this source of energy for heating homes, cooking, etc.5) Maintenance cost of geothermal power plants is very less.6) Geothermal power plants don\'t occupy too much space and thus help in protecting natural environment.7) Unlike solar energy, it is not dependent on the weather conditions.\xa0 | |
| 55653. |
Critical angle |
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| 55654. |
Al2SO4 + H2SO4 ...Gives salt and water ............name the salt ? |
| Answer» Neutralisation reaction | |
| 55655. |
Which part of human eye is called white of the eye ? |
| Answer» Retina | |
| 55656. |
Sample paper of guidelines |
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Answer» Oswaal books |
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| 55657. |
Carbon is a tetravalence |
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Answer» Yes carbon is tetravalence because in its last there is 4 electrons due to which it cannot attain or lose 4 electrons at once. It can make next 4 bonds due to its tetravalence property Yes Is it a question or answer |
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| 55658. |
Which are transporting vessels of plants |
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Answer» Xylem and phloem Xylem and phloem Xylem Phloem |
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| 55659. |
Homologus series |
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Answer» Homologous series is a group of organic compound having similar structure and similar chemical properties in which the successive compounds . The various organic compounds of homologous series are called homologues .1) Alkane CnH2n+22)Alkene CnH2n3)Alkyne CnH2n-2Example : C3H8 =CnH2n+2 =C3H2×3+2=C3H8Propane Series which is differ by CH2 in each step is known as homologous series Homologous series is series of compounds with similar functional group Hello Difference by ch2 Hi |
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| 55660. |
difference between calcium and magnesium? Please Give me answer fast |
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Answer» Hi Calcium is more reactive whereas magnesium is less reactive. The symbol of calcium is ca whereas the symbol of. Magnesium is mg |
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| 55661. |
How are lungs designed in human beings to maximise the area of exchange of gases |
| Answer» alveoli are present which helps maximum expansion of exchange of gas | |
| 55662. |
Who creat the god particle |
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| 55663. |
What does envirinment consist of? |
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Answer» Environment is consist up our eco system. Environment is consists of abiotic and biotic factors . Trees, water and many more |
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| 55664. |
function of hart |
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Answer» It pumps the deoxygenated bloods from all parts of our body to lungus for oxygenation or u can say for purification U mean heart right |
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| 55665. |
Why acid not show acidic behavior in the absence of water |
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Answer» Is doesn\'t show any acidic property because of lack of free ions in the absense of water Ions in the acid disassociate only in presence of water .So acids conduct electricity in aqueous medium Due to absence of water acid do not decompose into ions so it do not show acidic behaviour Due to absence of ion formation. |
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| 55666. |
Why and how was the periodic law changed |
| Answer» Written in NCERT BOok pg no.78 | |
| 55667. |
Why is stomata present in plant |
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Answer» The process for transpiration And to remove excess water . Stomata is present in plants for the exchange of gases like Oxygen and Carbon dioxide and for transpiration |
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| 55668. |
Why does the galvanised article is protected against rusting even if the zinc coating is broken? |
| Answer» As the zinc is coated the strong layer of ZnO get deposited on the iron article which protects the iron article from rusting though the zinc coating is. broken | |
| 55669. |
Describe the process of fertilisation in the plants?? |
| Answer» fertilisation occurs when the male gamete present in pollen grains joins with the female gamete persent in ovule then the male gamete moves down the pollen tube then the pollen tube enters the ovule in the ovary.the tip of pollen tube burst opens and male gamete comes out of pollen tube. then in ovary the male gamete egg present in ovule to form a fertilised egg called zygote. then after fertilisation the zygote divides several times to form an embroy within the ovule. then the ovule developes a tough coat and then converted into seed. then the ovary grows rapidly and riepens to form a fruit the other part of flower like speals peteals stamen etc.dry up and fall off this is fertilisation process in plant | |
| 55670. |
How much percentage is required in 10th for talking science in 11th? And who wants to become Doctor? |
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Answer» Above 80% Above 85 percent in subject maths science amd english... And overall total also 85 % above All the best You make a doctor very good yaar |
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| 55671. |
Why planet is not twinkle as a star |
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Answer» Planets are more closer to the Earth than the distant stars and planets are comparatively larger because they are closer to the Earth and the light coming from these celestial body is not bend into to earth\'s atmosphere that\'s why planets are not twinkling as a star Unlike stars and planet don\'t twinkle |
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| 55672. |
Which part of root is involve in exchange of respiratory gases? |
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Answer» Root ate not involed in exchanging of gases No part of root involved in exchange of gases ,it takes place through stomata. root hairs Root and leave |
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| 55673. |
Name some occurring acids ? |
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Answer» Thanks Rishabh and kaushik. HCL , HNO3 ,H2SO4 , CH3COOH , KMnO4 , K2Cr2O7, etc.?? HCL,H2SO4,etc |
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| 55674. |
What is the prefix of carboxylic acid |
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Answer» It is not prefix it is suffix. Its not prefix Prefix of carboxylis acid is oic acid |
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| 55675. |
Explain blood capillaries of chapter life process |
| Answer» The arteries divide in to extremely small thin branches on reaching the tissues. These small branches are called as capillaries. Capillaries have walls and are one-cell thick through which the exchange of materials between the blood and surrounding cells take place across his thin wall. | |
| 55676. |
Explain double fertilisation & triple fusion |
| Answer» Double fertilization: Double fertilization is the process in which two male gametes fuse with the female gamete and the secondary nucleus respectively to form the zygote and the endosperm.Triple fusion: In this process, two male gametes are involved in the process of fertilization. One of the male gamete fuses with the female gamete and forms the zygote, which develops in the seed. The second male gamete fuses with the secondary nucleus of the central cell and forms the triploid primary endosperm nucleus, which gives rise to the endosperm. The endosperm functions in providing nourishment to the developing embryo. | |
| 55677. |
What does lesson periodic table consist of ? |
| Answer» | |
| 55678. |
Define cutting. |
| Answer» A small part of a plant which removed by making a cut with a sharp knife is called cutting | |
| 55679. |
What is the Mechanism of transportation in animals? |
| Answer» Blood act as a transporting agent in the human bieng | |
| 55680. |
Ray diagram for formation of convex lense |
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| 55681. |
Electron dot structure of ethane |
| Answer» its easy brdr. write a c and draw four dots around the c.its electron dot structure of ethane | |
| 55682. |
Why is respiration considered an exothermic process? |
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Answer» Because during the digestion of glucose lot of heat is released Respiration is the process in which food molecule resprise to break down into molecule hence which raise to expansion outlwt of heat so it is exothermic reaction Respiration is considered as exothermic process because during respiration energy is evolved in the form of ATP. Gyp to |
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| 55683. |
Structure of methyl alcohol |
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Answer» CH3OH CH3OH CH2=OH |
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| 55684. |
Which guide shall I refer for my board exam |
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Answer» My cbse guide or jbd science No one use only ncert For science you should refer All In One or S.chand Reliable question bank The story of my life MyCbse guide |
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| 55685. |
What are ions ? |
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Answer» Atoms with satisfied valance electron that\'s with complete octate with net charge on it. Ions are charged atoms of elements.Their are 2 types of ions-Cations-positively chargedAnions-negatively charged |
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| 55686. |
What is a dynamo |
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Answer» A device which convert mechanical energy to electrical energy Commutator |
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| 55687. |
What is electric motar? |
| Answer» Electric motor is a device which convert electrical energy into meachanical energy .It is used in mixer ,grinder,etc. | |
| 55688. |
Chromosomes numbers of sexually reproducing parent & their offspring is same .justify |
| Answer» Its same because if it will vary then much variation will be seem in parent and offspring | |
| 55689. |
What is mean by genotype and phenotype? |
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Answer» Genotype is the internal composition of genes and phenotype is the external compositon of genes Genotype refers to dna material of the body whereas phenotype refers to physical outer appearance of the body If u still have doubt ask me Phenotype is a same physical situation of a plant for eg tt TT YY RR etc and genotype is a situation where plants have one characteristics they can expressed or suppress himself for eg TT Tt tT tt. Tell me . Please |
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| 55690. |
Why proton consists positive charge? |
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Answer» Why color of light isn\'t black ??! It is its fundametal property like mass charge is inherited by it |
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| 55691. |
Simple different between autotrophic and heterotrophic |
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Answer» Autotroph is the modw which make their food ownself with help of sunlight and natural substanceHeterotroph is the mode which depends on others for their nutrient Those organism which have capable to do photosynthesis reaction and prepare their own food is called autotrophic nutrition .For ex. Plant and bacteria.Those organism which have not capable to do photosynthesis reaction and depend on directly to indirectly from autotrophs is called heterotrophic nutrition.For ex. Animals and fungi Living organism which make their own food is called as autotrophic and the living organism which cannot prepare their own food and depends on other for their survival is known as heterotrophic |
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| 55692. |
The presence of group of bacteria in water bodies indicates contamination.identify group. |
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Answer» According to ch 16, its coliform Halophiles |
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| 55693. |
Subscribe my youtube channel https://www.youtube.com/channel/UC1_O5Tqml4u8O0sVGuMfB4w |
| Answer» Whyyyyyyy?????? | |
| 55694. |
Why does fireflies glow |
| Answer» Fireflies contain a special protein which continously react and glow | |
| 55695. |
What is master gland |
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Answer» Pitutry gland is know as the master gland. Because it control all endocrine gland. Pitutary gland is known as master gland Pituitary gland The gland which control the function of other gland is called master gland.i,e pituitary Pitutary gland |
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| 55696. |
What is catenatiob? |
| Answer» Self Linking of carbon with other elements | |
| 55697. |
Why did mendal choose pea plant for his experiment |
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Answer» Because pea plant is an annual plant. It shows all the characters in few month. It have the pure form of characters It requires small timeIt grows easilyIt is easily available |
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| 55698. |
व्हाई लिजार्ड हवे एबिलिटी तो रेगेनरेट हिस टेल |
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Answer» Why lizard have ability to regenrate his tail? Plz type in english ????? |
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| 55699. |
How do reproduction |
| Answer» In human, by sexually | |
| 55700. |
H2Co3 is a weak acid .Why |
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Answer» Becoz it undergoes only partial ionization in water. Because it partially disasociate in water unlike strong acids which fully disasociate |
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