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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.
| 42451. |
Difference between dicot seed and monocot seed |
| Answer» Monocot seed has one cotyledon and dicot seed has two cotyledons. | |
| 42452. |
What is vegetative propagation ? |
| Answer» Mode if asexual reproduction ..in which vegetative part repriduce like as stem , leaf | |
| 42453. |
When hexane react with con.sulphuric acid then what product will form?? |
| Answer» Form hexene | |
| 42454. |
Why abscisic acid is called stress hormone??? |
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Answer» Too much It imhibits growth Easy |
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| 42455. |
Why us red colour selected for danger signal ligt |
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Answer» Thanks I think red is least deviated colour as it has smallest wavelength in visible spectrum And when we see red so it\'s see red It is scattered least in fog so it is used becoz driver can see the signal from a far distance Bcz it doesn\'t deviate more and can be seen by distance Because it less scattered with particles |
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| 42456. |
Features of modern periodic table |
| Answer» It gave olace to isotope , it gabe ace to noble gas , it is arranged according to increasing atomic number | |
| 42457. |
What is saponification ?? |
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Answer» the hydrolysis of a fat by an alkali with the formation of a soap and glycerol. Soaps* This reaction is used to prepare spaps |
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| 42458. |
Suggest any 2 reason which make the large scale usage of nuclear energy prohibitive . |
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Answer» 1. The waste products nuclear reactions are radioactive which keep on emitting harmful radiations for thousands of years. 2. There is the risk of accidents in nuclear reactors. Such accidents lead to the leakage of radioactive materials which can cause serious damage to the plants, animals and the environment. Nuclear energy produces radioactive waste that is harmful for every living being around it |
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| 42459. |
How to find focal length of convex mirror |
| Answer» Mirror formulae = 1/v-1/u = 1/f | |
| 42460. |
who give the answer of my question electron dot structure of co2 |
| Answer» O=C=O | |
| 42461. |
Why do satrs twinkle |
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Answer» The light ray actually travels from air to a medium of different density here. ... When light from a distant source (a star) passes through our turbulent (moving air) atmosphere, it undergoes refraction many times. When we finally perceive this light from a star, it appears to be twinkling Refraction* Due to atmospheric refrectiin they appear to twinkle |
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| 42462. |
Explain how does the exchange of gases is occur in plant across the surface of stem root and leaf |
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Answer» Through Osmosis Roots* leaves Bro gases diffusion is given In stem it occurs through lenticles and in roots it occurs through stomata Guard cell controls the entry & exit of gases Through stomata ...in simple way Through diffusion |
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| 42463. |
Hello guys? |
| Answer» | |
| 42464. |
How do organism reproduce -DNA copy and variations |
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Answer» DNa copying is done by first meosis process !! When sperm & ovum cell fuse then all the possible outcomes gets paired like as ( TT) + (tt) = (Tt)(Tt)(Tt)(Tt) ....then this process of making pairs also knowas genotype , and transferring into progeny is known as DNA copying Dna copy is one type but not variations |
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| 42465. |
What type of acid in our stomach |
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Answer» HCl It is not HCL it is amino acid HCl |
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| 42466. |
What is binary fission and multiple fission |
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Answer» Division of parent into two by dividing the nucleus into 2 valeed binary fission and dividing into many is multiple fission In binary fission only two daughter cells is produced while in multiple fission more than two daughter cells are produced |
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| 42467. |
Which chemical is used to make black and white photo |
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Answer» Silver bromide Silver and bromine are used in black and white photography. Agbr |
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| 42468. |
What is the SI unit of electric energy |
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Answer» watt or joule per second Watt hour. .wh Joule |
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| 42469. |
Limitations of modern periodic table?? |
| Answer» Yes there are some defects of modern periodic table they are given below 1.No proper position to lanthanoids and actinoids.2.Position of helium is not justified :based on electronic configuration helium should be placed in group two along with alkaline earth metals but it has been placed with group eighteen along with noble gases based on its properties 3.Position of hydrogen:the position of hydrogen still remains controversial as it resembles alkali metals in its electronic configuration so it can be placed in group one but it also resembles the properties of halogen so it can be placed in halogens but hydrogen differ from both alkali metals and halogens in many other properties however for convenience it is usually placed in group and period one due to lowest atomic mass and atomic number . | |
| 42470. |
Structurel formula of Alkane |
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Answer» CnH2n+2 CnH2n+2 |
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| 42471. |
Why carbon cannot form 4 bonds? |
| Answer» Because it is tetravelent having valency 4 | |
| 42472. |
Explain the mechanism of breathing |
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| 42473. |
Fate of integuments? |
| Answer» | |
| 42474. |
Example of oxidising agent......... |
| Answer» Fe2O3+2Al______2Fe+Al2O3....in this Fe is oxidising agent | |
| 42475. |
Why is aluminium used in medicine packet manufacturing? |
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Answer» Yes, they can be recycled.The aluminium foil roll is resistant to water and many chemical components. Combining materials with the foil makes it opaque and therefore, protects sensitive products from light exposure. Because it doesn\'t allow to pass the moisture |
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| 42476. |
Aapko school pasand h yaa ghar??? |
| Answer» | |
| 42477. |
What is \'variegated leaves\'? |
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Answer» Begonia They are white in colour / have less of chlorophyll... Leaves which some part donot have chlorophyll |
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| 42478. |
Guys PLS ques discuss zyaada kiya kari kyunki bhai BOARDS DIS TYM...????? |
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| 42479. |
Right Darshana |
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| 42480. |
Fe2 O3 +Al --------->Al2O3 +Fe........QUES- what is the oxidising agent |
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Answer» The answer is that Fe2O3 is the oxidizing agent and Al is the reducing agent. Iron is an oxidising agent May be Fe Al |
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| 42481. |
Where does phagocytosis takes place in human beings? |
| Answer» There is lot of dead cells and bacteria inside human body | |
| 42482. |
how we can easily study light reflection and refraction chapter |
| Answer» | |
| 42483. |
Yrr sci ka light Ch Kisne Kisne kiya h koi criteria btado Krne ka plz |
| Answer» Ray diagrams ki practice kr lo | |
| 42484. |
Choroid.....human eye |
| Answer» The choroid lies between the retina and sclera. It is composed of layers of blood vessels that nourish the back of the eye. The choroid connects with the ciliary body toward the front of the eye and is attached to edges of the optic nerve at the back of the eye | |
| 42485. |
What isbudding |
| Answer» | |
| 42486. |
Koi Mere se dosti karna ni chahate...? Noone wants to be frnd with me... |
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| 42487. |
Mirror based numericals |
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| 42488. |
What is the color of copper sulphate |
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Answer» Actually original copper sulphate is colourless , copper sulphate in laboratories contains molecules of water of chrystallisation which imparts blue colour in it Blue Blue Blue |
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| 42489. |
Write the name and formula of the 2nd member of homogous services having general formula cnH2n-2? |
| Answer» Propene C3H4 | |
| 42490. |
What are the different ways of breaking down of glucose in living organism |
| Answer» There are two ways 1. Aerobic respiration and 2. Anaerobic respiration | |
| 42491. |
Alcohols can be produced by the hydration of Alkenes.How???? |
| Answer» | |
| 42492. |
What is the mass number of prontium and also atomic number |
| Answer» 1.00789 amu | |
| 42493. |
If the potential difference is 2.5v and resistance is 2 then find current |
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Answer» 1.25 1.25A 1.25 A 2.5/2 |
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| 42494. |
Is content of soap and detergent from carbon and its compound is deleted?? |
| Answer» | |
| 42495. |
What are stigmata or spiracles? |
| Answer» An external respiratory opening | |
| 42496. |
Explain how is geothermal energy harnessed to produce electricity. (3 marks q.) |
| Answer» Geothermal energy is produced by the heat of Earth\'s molten interior. This energy is harnessed to generate electricity when water is injected deep underground and returns as steam (or hot water, which is later converted to steam) to drive a turbine on an electric power generator. | |
| 42497. |
Which pigment provide red colour to beat(chukundar)..? |
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Answer» Its betanene typing mistake. Beta mene. |
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| 42498. |
Metal which is a poor conductor of heat |
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Answer» zinc Lead |
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| 42499. |
Why does the compass needle deflect when brought near a bar magnet? |
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| 42500. |
Mendel\'s law of segregation and independent assortment |
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