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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.
| 5401. |
Does H2O remain as a product after reaction of esterification??? |
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Answer» Yes CH3COOH+C2H5OH--------> CH3COOC2H5+(H2O) Here (H2O) is product after rkn_: Yes |
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| 5402. |
Why water conduct electricity. |
| Answer» if it is simple water means distilled water i.e it doesn\'t electricity | |
| 5403. |
Which is the largest gland in the human body |
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Answer» Liver Liver Liver is the largest gland in human body. It is also the largest (internal) organ in our body and can weigh up to 1.5 kg for a human adult. That is, about 1/50th of the body weight is because of liver. |
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| 5404. |
Define homologus series |
| Answer» Homologous series is a sequence of carbon compounds belonging to a same group having a difference of CH2 in their next member | |
| 5405. |
Oxidising |
| Answer» Which oxidise | |
| 5406. |
Why a ripe fruit kept in a basket of raw fruits hasten ripening |
| Answer» | |
| 5407. |
An elemeny \'M\' with electronic configuration (2,8,2) combines separately with (No3)- , ( |
| Answer» | |
| 5408. |
Whya are stars twinkle but planet are not? |
| Answer» twinkling of stars is due to atmospheric refraction of starlight & planets r much closer to the earth | |
| 5409. |
Diagram of chloroplast |
| Answer» | |
| 5410. |
Difference between ethane and ethene |
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Answer» Ehtane is saturated but ethene is unsaturated , ethane is single bond but ethene has double bond General formula of alkane is cnh2n+2 and alkene cnh2n +1.Alkane is known as parafin alkene also.Alkane is less reactive alkene is more. Ethane are saturated and ethene is unsaturated Ethane have single bond and ethene have double bond. |
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| 5411. |
What is effective nucleour charge? |
| Answer» The charge which is applied on last valence eletron. | |
| 5412. |
Explain the action of soap with the help of diagram |
| Answer» It forms micelle | |
| 5413. |
what is your favourite chapter in bio guys |
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Answer» Last two chapters Control and coordination |
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| 5414. |
name the unit of inheritance . what is its function |
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Answer» It transfers the trait from parents to progeny Gene |
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| 5415. |
Give me balanced eq.of reaction between fe and cuso4 |
| Answer» Fe + cuso4= feso4+cu | |
| 5416. |
Define angle of deviation for a Ray of light passing through a prism |
| Answer» angle b/w incident ray & emergent ray | |
| 5417. |
Why an atom is electrially neutral but still it has tendency to form an ion |
| Answer» | |
| 5418. |
Define plant cell |
| Answer» plant cells are eukaryotic cells that differ in several key aspects from the cells of other eukaryotic organism | |
| 5419. |
Noble gas do not react with other element |
| Answer» noble gases have a full valence shell , so they do not react with other elements | |
| 5420. |
What is Alpha Rays? |
| Answer» alpha rays are actually high speed particles . early researches tended to refer to any form of energetic radiations as rays ,and the term is still used | |
| 5421. |
write the name of the functional grp in CH3COCH3 |
| Answer» Propanone | |
| 5422. |
What is an oxidizing agent and reducing Agent |
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Answer» Oxidising agent :- the compound which oxidises others by reducing itself . Reducing agent :- Tge compound which reduces others to oxidise others . Oxidising agent : addition of oxygen and removal of hydrogenReducing agent: addition of hydrogen and removal of oxygen |
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| 5423. |
Give an example of redox reaction |
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Answer» AgCl + Na -----> NaCl + Ag CuO + H2 ------> Cu + H2O |
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| 5424. |
Evaporation is endothermic or exothermic process |
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Answer» Endothermic Endothermic |
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| 5425. |
Litmus obtained from which plant |
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Answer» Lichen...... It is a symbiotic relationship between fungus and algae It\'s juice is extracted to form litmus Lichens It is obtained from lichens Lichen |
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| 5426. |
How does bryophylum plant reproduce |
| Answer» Vegetative propagation ..,It\'s reproduces through leaf | |
| 5427. |
When refractive index is 1 where image is formed on mirror |
| Answer» | |
| 5428. |
Define the term puberty. List the changes observed in both boys and girls |
| Answer» | |
| 5429. |
Female reproductive hormone |
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Answer» Estrogen Estrogen Estrogen and progesterone |
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| 5430. |
What are the different ways to manage biodegradable waste ? |
| Answer» | |
| 5431. |
Can I know how to get pass in science exam |
| Answer» | |
| 5432. |
What are the importance of pH in our daily life |
| Answer» pH value has great importance in our daily life as if our mouth\'s pH value get\'s lower or more than 5.5 then it leads to tooth decay. Plants require specific pH range for their healthy growth. Living organisms can survive only in narrow range of pH | |
| 5433. |
What is water of crystallisation???? |
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Answer» Lgta h ye tume aata tha isiliye So easy nhi likha? H2O* H2I molecule that form structure of crystal. |
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| 5434. |
Are the crystals of salt really dry??? |
| Answer» | |
| 5435. |
Our teeth is made up of what |
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Answer» Good Calcium phosphate. Ca3(PO4)2 |
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| 5436. |
Why we cannot have structural isomers of first three members of alkaline series |
| Answer» Because the parent chain would have most no. of carbon atoms. So we cannot have isomers of 3 members of alkaline series. | |
| 5437. |
Name the lens which can concentrate sun\'s rays to a point and burn a hole in a piece of paper |
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Answer» 100% Convex lens Convex lens Convex lens Convex Convex lens |
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| 5438. |
If an opaque object is placed at the focus of a convex lens, where is the image formed???? |
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Answer» The light rays will parell and form image at Infinity Infinity The image is formed at infinity At infinite |
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| 5439. |
What is eye lens |
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Answer» They are the lens which are made by protein and which are transparent the lens is a transparent , biconvex structure in the eye that ,along with the cornea ,helps to refract light to be focused on the retina The lens present inside the eye which is made up of crystelline transparent protien .it helps in converging light rays |
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| 5440. |
Formula of ketone |
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Answer» -c- duble bond below c CO |
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| 5441. |
how does sky appeara blue |
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Answer» And at day time the wavelength of blue is higer then red The fine particles present in atmosphere scaaatters the short wavelength colour into atmosphere which is blue |
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| 5442. |
Why rottening of vegetable matter is known as exothermic reaction? |
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Answer» Because it releases heat during rotatennig.....a little amount heat.... Because heat energy is evolved. |
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| 5443. |
How is charcoal produced ? |
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Answer» When we burn wood in absence of air then charcoal is formed By burning wood in a limited supply of air |
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| 5444. |
what waa the GDP of india in 2003? |
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Answer» 541.14 USD (2003) 4.2 8.2% Check on google |
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| 5445. |
What is dc generate |
| Answer» The generator which doesn\'t changes its direction of electricity | |
| 5446. |
hothon se chho lo tm...mera geet amar kar do...??? |
| Answer» | |
| 5447. |
dilbar mere kb tk mujhe aise hi tadpaoge mai aag dil me lga lunga pal me pighal jaaoge....??? |
| Answer» | |
| 5448. |
Chemical formula of hydrogenperoxide |
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Answer» It\'s structure is : H-O-OH H2o2 |
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| 5449. |
Carbon cannot be used as a reducing agent to obtain mg and mgo.why? |
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Answer» the mg is one of the highly reactive metals. It has affinity for oxygen than carbon dioxide. therefore carbon dioxide reduce mg from its oxide Because carbon has low affinity for oxygen than magnesium Or it is very unreactive C not comes in reactivity series |
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| 5450. |
Why the planets do not twinkle ? |
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Answer» Because they don\'t have their light and they are closest to the earth so,, So there is less refraction The planets r much closer to earth....... |
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