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InterviewSolution
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.
| 3601. |
How evolution is responsible for new species |
| Answer» | |
| 3602. |
What is speciation?? |
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Answer» The process of forming new species from the existing species is known as speciation. The process of formation of new species.... |
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| 3603. |
Is decompostion of vegetable matter into compost a example of decompostion reaction? |
| Answer» No | |
| 3604. |
What is the valency of Nitrogen? Is it 3 or 2?? |
| Answer» two | |
| 3605. |
How respiration takes place in woody plants |
| Answer» By lenticle ... Right?? | |
| 3606. |
Which is the best book for boards preparation ? |
| Answer» NCERT | |
| 3607. |
What is mean by acid |
| Answer» Acid are those substance which is sour in taste | |
| 3608. |
Give the names of 10 indicators |
| Answer» | |
| 3609. |
How we draw checkerboard?? |
| Answer» | |
| 3610. |
Give reason: rain water conduct electricity whereas distilled water did not |
| Answer» | |
| 3611. |
who prepared modern periodic table?\xa0 |
| Answer» Mendeleev | |
| 3612. |
What are digestive enzymes |
| Answer» | |
| 3613. |
What is streptococus mutans,? |
| Answer» | |
| 3614. |
What is homologous series? Give examples. |
| Answer» | |
| 3615. |
What are the uses of green and blue dustbins????????? |
| Answer» Green for biodegradable and blue for non-biodegradable | |
| 3616. |
Define mass |
| Answer» Mass of a body is the quantity of a matter contained in it. | |
| 3617. |
What are theDisadvantage of biodegradable waste? |
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Answer» Disadvantages of biodegradable substances:1.The biodegradable substances take a lot of land, water, gas, use of fertilizers and pesticides to grow.2.Biodegradable plastics usually take a lot of time to degrade and may require conditions of high temperature and humidity to decompose which can be met only in industries. If it is thrown on open then it produce bad odour |
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| 3618. |
What is CH3CH2OH |
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Answer» Ethanol(ethyl alcohol) Ethanol with formula C2H5OH Ethanol |
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| 3619. |
Why the stars are twilinkling while the planets are not? |
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Answer» And planets don\'t twinkle because planets are closer to earth and are seem as extended source of light . i.e the collection of large number of point size sources of light. Therefore, the total amount of light entering our eyes from all individual point source will nullify the twinkling effect . Twinkling of stars is due to atmospheric refraction. Distinct star act like a point source of light. As the beam of star light keeps deviating from it\'s path ,the apparent position of the star keeps on changing because physical condition of earth\'s atmosphere is not stationary. Hence, the amount of light enters our eyes flactuate sometime bright and some time faint .this is twinkling effect of star. ? to |
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| 3620. |
Y we don\'t use parabolic mirror at place of spherical mirror?? |
| Answer» Because spherical mirror is easily available and consistent | |
| 3621. |
Explain human digestive system |
| Answer» Human digestive system consist of mouth ,oesophagus(foodpipe),small and large intestine | |
| 3622. |
Why endocrine glands secrete their products into blood. Give reason? |
| Answer» | |
| 3623. |
Give explanation about dihybrid inheritance. |
| Answer» | |
| 3624. |
What is Ozone and how it can be harnessed the nature?? |
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Answer» Ozone is made from (oxygen atom + oxygen molecule=ozone) It is layer that protects us from harmful UV rays coming from sun |
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| 3625. |
Explain why it is better to use paper bag than plastic beg. |
| Answer» We use paper bag instead of plastic bag because plastic do not decompose and cause land pollution | |
| 3626. |
Why light travel straight line in lens from the center |
| Answer» | |
| 3627. |
Define heredity and evolution? |
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Answer» Heridity is the passing of an traits from parents their offsprings, either through asexual reproduction or sexual reproduction; the offsprings cells or organisms acquire the genetic information of their parents The transmission of characters from the parents to their offsprings is called heredity. Evolution is the sequence of gradual changes which take place in the primitive organisms over millions of years in which new species are produced THE TRANSMISSION OF TRAITS FROM THE PARENTS TO THEIR OFF SPRINGS IS CALLED HEREDITYSEQUENCE OF GRADUAL CHANGES WHICH TAKE PLACE IN PRIMITiVE ORGANISIMS OER MILLIONS OF YEARS IN WHICH SPECIES IS FOUND.THIS IS KNOWN AS EVOLUTION |
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| 3628. |
What is the basic event in the eye? |
| Answer» Blue pearl | |
| 3629. |
Management of natural resources--- what is COLIFORM???? |
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Answer» Belonging to a group of rod shaped bacteria This is a bacteria found in ganga.it is for main cause of pollution |
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| 3630. |
Is saponification is the topic in syllabus of clas 10?? |
| Answer» Yes | |
| 3631. |
Explain glass slab activity |
| Answer» | |
| 3632. |
What is a placenta |
| Answer» Placenta help in exchange of material between mother\'s blood and blood of fetus | |
| 3633. |
What is phenotypic gean |
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Answer» The gene which shows it effect Appearance |
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| 3634. |
What is electro motive force |
| Answer» | |
| 3635. |
Who is the Father of genetics.? |
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Answer» George john mendel G.j Mandel |
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| 3636. |
List two reasons to show that the existence of decomposers is essential in an ecosystem. |
| Answer» | |
| 3637. |
When concave mirror is placed facing sun the sun rays converge to point 10cm from mirror |
| Answer» | |
| 3638. |
Balanced chemical equat8on |
| Answer» a balanced chemical equation is defined as the equation in which the reactant(s) and product(s) have equal number of atom | |
| 3639. |
Is there CGPA system this 2017-18 year 10th CBSE |
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Answer» *there No marks system is there. How much you will score in boards will be thee written |
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| 3640. |
what is the cause of refraction of light? |
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Answer» The cause of refraction of light is - the change in speed of light in different mediums... When light travel from denser medium to rearer medium the light came closer to normal and refraction occurs. Rainbow Atmosphere refraction |
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| 3641. |
Wht is hetrologus and homologous chromosomes ❓ |
| Answer» | |
| 3642. |
Why we used only left side to dive in India??????????????????????? |
| Answer» | |
| 3643. |
What is atomic mass of oxygen |
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Answer» 16 amu is the correct answer 16amu or 15.999u 15.999 |
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| 3644. |
What is Tindal affect |
| Answer» It is scattering of light as a light beam passes through a colloid | |
| 3645. |
Did H form cations only or anion too？ |
| Answer» H form cation as well as anion. | |
| 3646. |
Why does light travel in a straight line? |
| Answer» | |
| 3647. |
How does DNA get copied from two parents? |
| Answer» In sexual reproduction the DNA of two parents are requires which is done by their gametes.the gene structure of one gamete attached with gene structure of another gamete.Thus,DNA get copied from two parents. | |
| 3648. |
What is equations |
| Answer» | |
| 3649. |
can a convergent lens in one medium become divergent in another medium |
| Answer» | |
| 3650. |
What is nutrion |
| Answer» | |