Saved Bookmarks
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.
| 46651. |
What is convencenal resource |
|
Answer» It can be called non renewable also Those resources of energy which have accumulated in nature over a long time and cannot be quickly replaced.Ex: coal,petroleum, natural gas etc. |
|
| 46652. |
Why is nitrogen important in plants ? How do plants acquire nitrogen |
| Answer» Nitrogen is acquired by plants in the form of nitrites and nitrates from the environment. | |
| 46653. |
What is denatured of alcohol? |
|
Answer» Denatured alcohol is ethyl acid which has been unfit for drinking mixture of copper sulphate To prevent its misuse small amount of methanol is added to it which makes It harmful to drink |
|
| 46654. |
What are modes of excretion in plants? |
|
Answer» Gems and other bacteria plants excrete through soil by root In the form of gums and resins and also wilting of leaves Oxygen can be looked upon as a waste product of photosynthesis and carbon dioxide a waste product of respiration; water is a waste product of both. Water will be lost through transpiration. Yha princess kon h ye |
|
| 46655. |
When a cell reproduces what happen to DNA |
|
Answer» Reproduction takes place DNA becomes half |
|
| 46656. |
Give 3 practical applications of neutralization reaction. |
|
Answer» antacid have been developed on the basis of neutralization reaction2. toothpaste are basic in nature which neutralizes the axis of acid produce in our mouth.3.milkman add a very small amount of baking soda to milk to neutralize the lactic acid produced in the milk 1 Anti-acid medications( e.g aluminium hydroxide) are used to neutralize excessive stomach/digestive (hydrochloric) acid.2) Basic fertilizers are used to neutralize acid soils and acidic fertilizers are used to neutralize basic soils in agriculture.3)Bee stings and ant stings, which are acidic, are commonly neutralized with basic baking powder. It\'s urgent Plzz help me ? |
|
| 46657. |
What is potencial difference |
|
Answer» Potiantial difference is said to be the amount of work done for bringing one unit of positive charge from one point to the another. Potntial difference is the amount of work down to move a unit positive charge from point A to point B. The work is done to bring a unit charge Q from point B to point A inside the electric field is know as potential diff. Potential difference can be defined as the amount of work done in moving a positive unit charge from one point to another |
|
| 46658. |
What is the general formula of ethanol and gypsum |
|
Answer» Ethenol=c2h5ohGypsum= caso4.2 h2o C2H5OH and CASO4.2H2O Gypsum=CaSO4.1/2H2O+1(1/2)H2O=CaSO4.2H2OEthanol=C2H5OH C2H5OH is for ethanol and for gypsum CaSo4. 2H2O C2H5OH |
|
| 46659. |
Who devised pHPlss answer |
|
Answer» Sorensen Soren Peder Soren pedAr By the help of Google??? Yrrrr neeche btya to.... |
|
| 46660. |
Ohm,s law |
|
Answer» The potential difference(V) is directly proportional to electric current(I) flowing in the closed circuit It states that "if the physical condition remains unchanged such as temp. The potential difference across the two ends of a conductor is directly proportional to the Electric current flowing through it. At constant temperature the current flowing through a conductor is directly propotional to potential difference across it end V is directly proportional to I V=IR,where r is constant |
|
| 46661. |
What are micelles?? |
|
Answer» A spherical aggregate of soap molecules in a soap solution in water is called a micelles. Micelles means insoluble precipitate.In Hindi jhag |
|
| 46662. |
Main difference between soap and detergent?? |
|
Answer» Detergent works in the hard water and soap not works in hard water.... Hi Aditi My name is Ananya And is ineffective on hard water ( in continuation with the above ans.) Thanks both Hii anya Detergents are effective on hard and soft water because they are ammonium or sulphonate salts of long chain of carboxylic acids. On the other hand soap produces scum Soap can form scum in hard water whereas detergent Cannot form |
|
| 46663. |
Uses of ethanol?? |
|
Answer» 1.Used in medicines such as tincture of iodine,tonics and syrups. 2.Used in alcoholic drinks To form ethanoic acid Use as fuel,.....use in painting |
|
| 46664. |
What is Solar Constant? Also give chemical formula of soda lime. |
| Answer» Sodalime=NAOH | |
| 46665. |
Who devised pH |
|
Answer» Yrrrr nam h???? Means?? Søren Peder Lauritz Sørensenat |
|
| 46666. |
What is test cross and back cross? |
|
Answer» Yupp..heridity nd evolution Bio ? |
|
| 46667. |
What is ethanoic acid?? |
|
Answer» It is a weak acid also known as acetic acid. It is a weak acid. commonly called acetic acid Acetic acid, also known as vinegar, is used as a medication to treat a number of conditions. As an eardrop it is used to treat infections of the ear canal. It may be used with an ear wick. Formula: CH3COOH |
|
| 46668. |
Shaurya can you hear me Q. Mega pixle of normal human eye |
| Answer» Ok | |
| 46669. |
Megapixle of normal human eye |
|
Answer» Infinity Robin khattri se jake pucho....lol |
|
| 46670. |
Blood goes only once in one cycle through the heart of fishes. What is the reason behind it? |
| Answer» Because fishes have only 2 chambers in their heart. | |
| 46671. |
Images formed by convex mirror |
|
Answer» I am asking about images not about their properties Small size and diminished it depends on the position of the object Virtual and erect and diminished Real nd inverted |
|
| 46672. |
What are ionic compound?? |
|
Answer» Ionic compounds also known as electrovalent compounds.This compounds are formed by the gaining and lossing of electrons (ions). Those compounds which are formed by the exchange of ions |
|
| 46673. |
Frnds what is brisk effervescence. |
|
Answer» *vigorously Examples :- when hydrochloric acid is added to sodium bicarbonate bubbles of carbon dioxide gas are formed bigrously It is the rapid or vigorous evolution of a gas in a in a chemical reaction. |
|
| 46674. |
How kidney plays an important role in osmoregulation of the organism? |
| Answer» | |
| 46675. |
Name to abiotic factors that affect human environment. |
| Answer» Pollution and soil erosion | |
| 46676. |
What is pyridine? |
| Answer» Molecular formula of Pyridine is C5H5N. Pyridine is a flammable colorless liquid with an unpleasant smell. It can be made from crude coal tar or from other chemicals. Pyridine is used as a solvent and to make many different products such as medicines, vitamins, food flavorings, pesticides, paints, dyes, rubber products, adhesives, and waterproofing for fabrics. Pyridine can also be formed from the breakdown of many natural materials in the environment. Many of the foods that you eat have flavors that are the result of complex compounds that contain pyridine.Liquid pyridine evaporates into the air very easily. If pyridine is released to the air, it may take several months to years until it breaks down into other compounds. Pyridine also mixes very easily with water. If it is released to water or soil, it may break down in a few days to few months. | |
| 46677. |
What are the advantages given to plants by transpiration? |
|
Answer» Q thora jada chotta hai A teacher sets up the stand carrying a convex lens of focal lengths 15cm at 42.7cm mark on the optical bench .He asks one of the student to suggest the position of the screen on the optical bench so that a distant image of a distance tree is obtained almost immediately on it.What should be the positions of screen suggested by that student? I will try ask it again Mena phy ka ek Q pucha tha kisei na javab nahi diya tum thora bataogi please Is it enough. Thank you very much It maintains suitable temperature for the leaves and also renders cooling effect to the plant body It helps in evaporating excess amount of water. It creates suction force and helps in the ascent of sap. 1 more please It regulates the temperature of plant Points batao na Sooor sorry darsana aur points chaiye Darshant bhai aur points chahiye Transpirationan helps in the Upward movement of water and minerals from roots to leaf |
|
| 46678. |
How to know that which carbon compound will make chain , ring or branches? |
|
Answer» According to covalent bond.... Prefer examples.. |
|
| 46679. |
If hexane is C6H14, then why cyclohexane is C6H12?? |
|
Answer» Because it is a cyclic compound Please give me the answer fast.?? Because frnd carbon 6 hai and each carbon contain 2 hydrogen.Mujhe toh yahi lagta hai .Well I m not confirmed fully |
|
| 46680. |
What is saponification? And it\'s reactions? |
|
Answer» C17H35COOH + NAOH = C17H35COONA +H2OBasically it is a reaction of fatty acid/oil with sodium hydroxide to form soap Oo very sad I failed in chemistry It is the reaction of ester with sodium hydroxide. |
|
| 46681. |
Diffrence between vein and artery |
|
Answer» Vein carry blood towards the heart.It is less muscular and thin walled.64% blood of body is present in veins.Arteries carry blood away from heart.It is strong,muscular and thick walled. It contains 16% of blood. Vein has small lumen while artery has large lumen Veins carries deoxygenated blood on the other hand arteries carries oxygenated blood |
|
| 46682. |
What is translocation??? |
|
Answer» The transport of soluble products of photosynthesis is called translocation. It is the process by which soluble products of photosynthesis are transported by phloem |
|
| 46683. |
Draw electron dot structure of carbon dioxide |
|
Answer» See in refrence books I do one thing Google it. Give me pencil and paper Same shruti Yaa How will i draw It?? |
|
| 46684. |
Is there any questions from periodic table? |
|
Answer» Huh??? Donnell moree |
|
| 46685. |
Forests are biodiversity hot spot...justify |
|
Answer» Ryt guys Due to presence of a large number of species of plant and animals forest are said to be biodiversity hotspot. Not previous year paper....Bt ya found in a sample paper See page no 269 of ncert Previous year paper na |
|
| 46686. |
What are lymph and write it\'s function |
|
Answer» Kyuki ye question mere test m aaya tha...or mujhe acha lga Haskell tough questions Lymph is a colourless fluid similar to the plasma of blood. It contains less protein than blood and lacks RBCs and platelets. Isme nyc kya thaa Refer ncert Nice |
|
| 46687. |
Explain. Advanced sun rise and delayed sun set |
|
Answer» Yarr es topic mai mujhe bhi thoda confusion hai Cuz of refraction Sun appears a bit high when viewed from horizon |
|
| 46688. |
Ncert science chap. 10 q no. 10 answer fast |
| Answer» Are mycbseguide se lelo | |
| 46689. |
Diff |
| Answer» | |
| 46690. |
What is the function of flippers of seal ? |
| Answer» To propel in water | |
| 46691. |
What is stake holder |
|
Answer» A person who take care of forests without any help and try to safe forests. A person with interest in something Stakeholders are those who directly or indirectly get benefitted by the forest and it\'s products. A person or a party with an interest or concern in an asset is called stakeholder. |
|
| 46692. |
Kyoto protocol envisages reduction of emission over 1990 level by :.. |
|
Answer» The ans is 2008-2012 Ya right Nhi hai.. kisi yeacher se pucho?? 5.2% of co2 Ji Kisne Kha nhi hai. Yess Vese Kyoto protocol apne course me nhi hai |
|
| 46693. |
What is temperature |
|
Answer» A degree to tell hotness and coldness of a thing. Heat or cold in the environment |
|
| 46694. |
Why is it more appropriate to compare evolution with branches of trees rather than a ladder |
|
Answer» Cuz evolution is not unidirectional and multiple off shoots are possible at each and every stage also humans are not pinnacle of evolution but another specie in the teeming spectrum of evolution Bcoz at each lvl 2 or more specues developed diffrently |
|
| 46695. |
Pure gold is very soft, then how is it used to make ornaments |
|
Answer» Ornaments are not made up of pure gold because pure gold is 24 carete and pure gold are weak What should I ask to u aap ans to dete ho nai. Shruti ask more Refer chap metal and non metal. It is allowed with silver or copper |
|
| 46696. |
Difference between acquired and inherited traits |
|
Answer» Acquired tried are somatic variations EX.learning of dance, music etc Inherited tried are genetic variations EX. Attached or free earlobe and curly hair Ohk got It! Thanx. Acquired traits means the characters or traits that are acquired in the lifetime.Inherited traits means the traits that are acquired by birth . Shruti you were wrong Acquired trait are the trait which are acquired during lifetime.It can pass from one generation to next.Inherited traits are the traits which are present since birth. It can not pass from generation to generation. The trait which are pass to another generation is called inherited trait nd the trait which are not pass to the offspring is called acquired trait Acquired aren\'t transmitted to next gen. They are the changes in non reproductive tissues Which do not make changes in the dna of germ cell And the are the life time experiences of an organism which cannot me transmitted to next gen |
|
| 46697. |
Argon ke bajaye ham oxyzen use kare bulb me to kya hoga |
|
Answer» Oxygen main koi bhi material burn ho jaye ga Fir mistake kardi sorry ?? Right sudharshan Life of the bulb filament Will decrease as it will burn |
|
| 46698. |
Why magnetic field lines do not Cross each other |
|
Answer» Sorry ?? My name is sudarshannnnn 2 directions I mean Right sudhanshu Cuz then to direction will be shown by the magnetic compass |
|
| 46699. |
What is homolegus mixture |
| Answer» In which every component is mixed uniformly | |
| 46700. |
What is testa. ? |
|
Answer» Ok but ek fix time batao mai bhi ushi time pe aaunga Nhi... Esa kuch nhi h..... Lekin me ab apni studies pe concentrate krna chahti hu... Mera bhut time waste ho Jaata h.... Isme... Ab bhi tumhe dekh kr baat kr li.. Kyo kya hua Aungi bhi to bhut km.. Are kyo kya mujhse koi bhool ho gai Nhi... Lekin me ab shyd nhi aungi... Kyo kahi jana hai kya yarr Kevel** Aur btao.... Kevek 5 min k lye ayi hu.. Fine Hii.... Vimal how ur studies going on?? ? Th Testa is the outer most layer of of seed that protect the seed Ok See lab manual |
|