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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.
| 37751. |
What is the difference between fragmentation and regeneration??? |
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Answer» |
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| 37752. |
Why calcium floats on water |
| Answer» | |
| 37753. |
formula of caustic soda |
| Answer» NaOH | |
| 37754. |
What bothFor aditi |
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| 37755. |
What is Avogadro no? |
| Answer» 6.022*10²³ atoms/molecules/ions | |
| 37756. |
What is haloalkanes? |
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| 37757. |
How many types of hydrocarbons ? Name them.Describe it |
| Answer» Alkane, Alkene, Alkyne | |
| 37758. |
What is hydrocarbons ? |
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Answer» Compounds made up of hydrogen and carbon only are called hydrocarbons Hydrocarbon are mix if both |
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| 37759. |
Micell formaton |
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| 37760. |
Management of forest and wildlife resources is a very challenging task. Why? |
| Answer» Management of the forest and wildlife resources is considered as a challenging task as there are many stakeholders of forest. They are those people who are directly or indirectly involved in forest. Management of forest and wildlife has to take into account the interests of all these stakeholders which become a challenging task.Stakeholders of forest are:(i)People living in or around forests are dependent on forest produce for various aspects of their life such as livelihood, food, etc(ii) The Forest Department of the Government who are judicially allowed for owning the land and controlling the resources from forests (iii) The industrialists who use forest products such as timber, leaves, latex as raw materials for their industries(iv) The wild life and nature enthusiasts who want to conserve the forest and wild life. | |
| 37761. |
What is the process of artificial selection |
| Answer» Artificial selection is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. | |
| 37762. |
Rational structure of glucose? |
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| 37763. |
What is quantaum |
| Answer» A discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents. | |
| 37764. |
what is oxidizing agant? |
| Answer» A substance that tends to bring about oxidation by being reduced and gaining electrons. | |
| 37765. |
What is the resistance of ideal voltmeter? |
| Answer» For an ideal Ammeter No voltage should appear across it. All the voltage should be appear across resister so that its(R\'s) current (voltage/resistance) can be accurately measured.For no appear of voltage accross Ammeter, we need ZERO resistance. | |
| 37766. |
How do soap and detergent behave in hard Water |
| Answer» Soaps are sodium or potassium salts of long chain fatty acids.The cleaning action of soap is very effective in soft water because it contains negligible calcium and magnesium ions. Synthetic detergents are used in the case of hard water also because the calcium and magnesium salts of detergents are soluble in water. | |
| 37767. |
what is sponification ??? explain with reaction |
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| 37768. |
Why is conversion of ethanol to ethanoic acid an oxidation reaction |
| Answer» Because number of H decreases and number of O increases | |
| 37769. |
Guys cbse board paper comes from ncert |
| Answer» Yes | |
| 37770. |
Meaning of diopter |
| Answer» Diopter is the SI unit of power. P(diopter)= 1/f (meter). One diopter is the power of a lens of focal length one metre. | |
| 37771. |
Domestic electric cicuit |
| Answer» Electric circuit is closed and continuos path through which an electric current flow | |
| 37772. |
What is domestic electric cicuit |
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| 37773. |
What is difference between centre of curvature and pole |
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Answer» Thanks prity The centre of curvature of a spherical mirror is centre of the hollow sphere of glass of which the spherical mirror is a part. While the pole of a spherical mirror is the centre of the mirror. 2F |
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| 37774. |
What is necleur fission. |
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Answer» Heavy nucleus splits up into two small lighter nuclei of comparable masses It is the processin which a large nucleus splits into two smaller nuclei,fission the process in which a nucleus is divided into two or more fragments,and neutrons and energy is released. |
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| 37775. |
What do you mean by rust |
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Answer» A process in which iron articles get damaged by the action of H20 o2& chemicals. When Iran is damaged by water it is called rust |
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| 37776. |
Expand iucd |
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| 37777. |
What is uses of concave mirror? |
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Answer» Concave mirrors are commonly used in torches, search- lights and vehicles headlights to get powerfull parallel beam of light. 1.shaving mirror2.vehical headlights3.search light, tourch |
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| 37778. |
What is the meaning of lateral displacement |
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| 37779. |
What is meaning of cerebrum |
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| 37780. |
Write the formula and the name of next Homologue of CH3COCH3 |
| Answer» CH3COOCH2CH3 | |
| 37781. |
Draw the structure of a molecule of butane. |
| Answer» | |
| 37782. |
"Problems on heart that can be accelerated by bad kidney and vice versa"Justify. |
| Answer» If the function of kidney somehow get affected then blood does not get purified and thus nitrogenous waste get accumulated in blood and thus the blood pressure increases and adversely heart face difficulties in functionating. | |
| 37783. |
Explain Dispersion of light |
| Answer» Splitting of qhite light into seven different colours is called dispersion of light | |
| 37784. |
How can we obtain acetic acid |
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Answer» By oxidation reaction .When we react ethanol with strong oxidising agent like alkaline KMnO4 or acidified K2Cr2O7 in the presence of heat we will get acetic acid. 30 % of vinegar is called acetic acid |
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| 37785. |
Why unsaturated hydocarbons are more reactive than saturated hydrocarbon??? |
| Answer» Having double bonds | |
| 37786. |
Why salt is added to soaps during cleaning? |
| Answer» Bqz salt remove dirt easily on reacting with water | |
| 37787. |
What is the difference between spectrum of light and dispersion of light ? |
| Answer» Light ray split into its constituents colour components called dispersion. When band of seven colour obtained on screen after dispersion called spectrum | |
| 37788. |
Why do we see onpy the particular vibgyor colours in rainbow and whynot others |
| Answer» Bqz only seven colour is in present in range of visibility 400nm to 700nm | |
| 37789. |
Metallic and non metallic properties |
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| 37790. |
Which group of plants show double fertilization |
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| 37791. |
Object is at 2m from plane mirror than image is |
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Answer» Given in Reflection of plane mirror ThatImage is formed at same distance as that of object Is kept in front of the mirror I think so In plane mirror u and v are same 4m How |
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| 37792. |
Branch of study wjich deals with fossils are called |
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| 37793. |
Alternative form of genes are called |
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| 37794. |
Name the tissue in the leaf where plastids are present |
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| 37795. |
Same type of electron in magnet but it has two different poles why |
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| 37796. |
What is electric potential ? |
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Answer» "WORK DONE TO BRING UNIT POSITIVE CHARGE FROM INFINITY TO A POINT " Work done to carry a unit charge from one point to another is called electric potential |
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| 37797. |
Two reasons for appearance of variations among progeny formed by sexual reproduction |
| Answer» Error in DNA copying | |
| 37798. |
Limitations of law of octav rule |
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| 37799. |
Why sodium and potassium has more reactive metal |
| Answer» | |
| 37800. |
Why glucose is not conduct electricity |
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