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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.
| 38651. |
Dot structure Of carbon |
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Answer» : C : •°C•. . . C : :c: . . C . . |
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| 38652. |
What is the function of human digestive system |
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| 38653. |
"The homosapiens are not the pennacal of evolution" explain briefly |
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| 38654. |
What is the difference between sharing of electron & transferring of electron ? |
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Answer» Ionic bond are strong bond but covalent bond are weak bond. Sharing of electron form ionic bond and transferring of electron form covalent bond. |
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| 38655. |
What is evaluation |
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| 38656. |
What are volatile |
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| 38657. |
What is ZEFF |
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| 38658. |
Function of lymph ??? |
| Answer» To move | |
| 38659. |
What is the power of the lens whose focal length is 10 cm. (Human eye and colourful world) |
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Answer» Spherical mirror are the part of sphere If Concave -10D......If convex +10D ??????? |
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| 38660. |
Diference between aerobic and anaerobic repiration |
| Answer» Hi | |
| 38661. |
what is the difference between ***** and **** |
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| 38662. |
Why is the use of iodised salt advisable? |
| Answer» Bcoz it provide required amount of iodine to our body to release thyroxine hormone by the thyroid gland......????????? | |
| 38663. |
What is central gravity with example justify |
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| 38664. |
An organic compound which can be produced by fermentation of sugar and is a constituent of beer |
| Answer» Ethanol | |
| 38665. |
mendlev classification |
| Answer» He prepared a series the first element show similierty in its properties to the eight element . | |
| 38666. |
what is the general formula for ketone |
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| 38667. |
An LED bulb is rated 2.5watt .how many such bulbs can be connected across 220v supply. |
| Answer» 10 | |
| 38668. |
How organisms eat |
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| 38669. |
CBSE board me kitne percent aane pe first hota h....... |
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Answer» Above 99% Above 90% Above 60 per sent |
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| 38670. |
We can see the light or not? |
| Answer» Yes | |
| 38671. |
Why should a magnesiun ribbon be cleaned before burning in air ? |
| Answer» To remove the layer of MgO which prevent the further oxidation of the ribbion | |
| 38672. |
Why sodium kept in kerosene? Explain. |
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Answer» Because sodium reacts with the oxygen in the environment and catches fire in order to avoid accidental fire sodium is kept in kerocine Because ,sodium react with oxygen present in the environment and form oxide,,,. In order to do not react Na sodium with oxygen it is kept in karosene oil ,as karosene oil is unreactive.............. |
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| 38673. |
Why carbon non metal |
| Answer» Carbon\xa0is a solid\xa0non-metal\xa0element. Pure\xa0carbon\xa0can exist in two very different forms - diamond and graphite. The table shows some differences between them. Diamond is the hardest natural substance on Earth, but it is also very brittle and will shatter if hit with a hammer. | |
| 38674. |
Rectified spirit |
| Answer» Aqueos solution of 95% ethanol is called rectified spirit | |
| 38675. |
What is germination |
| Answer» Germination is the budding of a seed after it has been planted in soil and remained dormant for a certain period of time. For plants and fruits that reproduce through seeds and pollen, the seeds eventually grow into young plants through the process of seed germination. When seeds are planted, they remain inactive until conditions are suitable for germination.For germination to occur various conditions must be met such as the proper amounts of water, oxygen, temperature, and light. When these conditions are met, the seed begins to enlarge as it takes in water and oxygen. The seed\'s coat breaks open and a root or radicle emerges from the seed, which is followed by a plant shoot. This initial stage of a plant’s development is germination | |
| 38676. |
What will happen when an alkali and a hallogen will react? |
| Answer» The\xa0halogens react\xa0with metals to make salts called metal halides. For example, sodium\xa0reacts\xa0with chlorine to make sodium chloride (common salt). The\xa0reactionbetween sodium and a\xa0halogen\xa0becomes less vigorous as we move down Group 7. Fluorine\xa0reacts\xa0violently with sodium at room temperature. | |
| 38677. |
How many triads were identified by dobereiner ? Name any one of them |
| Answer» 3 | |
| 38678. |
How light gets its colour |
| Answer» After deflection | |
| 38679. |
Why dispersion is taking place in a prism not in a glass slab.? Explain with neat diagram |
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| 38680. |
For metallic conductor, current Vs voltage graph is drawn at two different temperature T1 and T2 |
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| 38681. |
List five distinguishing features between asexual and sexual reproduction |
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| Answer» | Asexual Reproduction | Sexual Reproduction | \tOccurs in prokaryotic microorganisms and in some eukaryotic unicellular and multicellular organisms, lower invertebrates and plantsOccurs almost in all types of multicellular organisms including humans, animals, and higher plants.It is uniparental.It is usually bi-parental.Gametes are not formed.Gametes are formed.Somatic cells of parents are involved.Germ cells of parents are involved.No fertilization occurs.Fertilization takes place.No involvement of reproductive organs.Presence of fully developed reproductive organs.Only mitosis type of cell division occurs.Both meiosis and mitosis type of cell division occurs.The progeny and the parent are genetically identical.The progenies will be genetically different from the parents.Characteristics of only one parent are inherited.Characteristics of both parents are inherited.The genes and genetic material are just multiplied and passed on to new organisms from the parent.The genetic material undergoes intermixing from both parents to form a new set of genetic material.Multiplication is very rapid and takes less time.Multiplication is not so rapid and takes a longer time to complete.The number of offsprings produced may vary from two to many.The number of offsprings produced is comparatively lower.No evolutionary significance.Has evolutionary significance in the population.Bacterial fission, fragmentation, spore formation, budding of hydra are different types of asexual reproduction.Syngamy, external fertilization, and conjugation are different types of sexual reproduction.\t|
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| 38682. |
Name the cell organelle that have its own DNA |
| Answer» Mitochondria and chloroplasts are only cell organelles having its own DNA | |
| 38683. |
what is the capital of shrilanka |
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Answer» Colambo Sinhalse |
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| 38684. |
what is the rules for obtaining image formed by conbex |
| Answer» image is virtual errect | |
| 38685. |
Difference between variable resistance and rheostat |
| Answer» A variable resistor is a resistor of which the electric resistance value can be adjusted. When a variable resistor is used as a potential divider by using 3 terminals it is called a potentiometer. When only two terminals are used, it functions as a variable resistance and is called a rheostat. | |
| 38686. |
What are mine? |
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Answer» It is the place where mining is carried out.In book it would be coplicated, but this is the correct definition. जैसे कोयले की खदान |
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| 38687. |
What is nude |
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| 38688. |
How shemale is born means kinner ??and what chromosome they have |
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Answer» By the way nice question ? What???? |
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| 38689. |
Ncert question\'s |
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| 38690. |
Give an example of a flower which contains both stamen and carpel ? ( this is sample paper question) |
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Answer» Habicius... Hibiscus????? China rose |
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| 38691. |
How can we make IUPAC name |
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| 38692. |
How we can obtain IUPAC name |
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| 38693. |
Electron dot structure of sulphur |
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| 38694. |
electron dot structure of SO3 |
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| 38695. |
How she male born?? |
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| 38696. |
Which chromosome shemale have???mean kinner?? |
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| 38697. |
What is tetra covalent bond |
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Answer» Only carbon and silico he tetra covalent bond bnate hn The sharing of four electron formed tertra covalent bond Tetra means 4 valency .... |
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| 38698. |
H2so4 when heated what happen |
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| 38699. |
How are twins formed in humans ? |
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| 38700. |
What do u meant by evolution |
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