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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
allthe tie?unmamelynamugeth e.ㅡㅡ ㅡㅡeq이. Tamaminallime5) tomatoe凸 |
| Answer» <p>Your question is incomplete or invalid </p> | |
| 752. |
21. Eye transplantation means transplantation of: |
| Answer» <p>Eye transplantation mean the transplantation eyes from one person to another.</p><p>Like my answer if you find it useful!</p> | |
| 753. |
2.What would happen, if our backbone was made up of one single bone? |
| Answer» <p>It would not be flexible like it's is right now we would not be able to bend or do other kind of activities how we are doing a single long bone cannot bend down or back wards so we would be sitting straight if we would have a long straight bone</p> | |
| 754. |
How trees help in increasing the water-holding capacity of the soil? |
| Answer» <p>Sand in contrast has large particle sizes which results in smaller surface area. Thewater holding capacityfor sand is low.Soilorganic matter (SOM)is another factor that can helpincrease water holding capacity.Soilorganic matter has a natural magnetism towater.</p> <p>can i have your number plz? i have no friends. plz</p> | |
| 755. |
Water holding capacity is one of the qualities of- |
| Answer» <p>Ans :- Soil water holding capacity is controlled primarily by the soil texture and the soil organic matter content. Soil texture is a reflection of the particle size distribution of a soil. An example is a silt loam soil that has 30% sand, 60% silt and 10% clay sized particles.</p> | |
| 756. |
13. A particle is moving with velocity 5 m/s towards east and its velocity changes to 5 m/s north in 10 sec.Find the acceleration(A) v2 N-W1BN-W42(C)N-E12(D) 2 N-Ethn hodh attains a velocity of |
| Answer» <p>Intial velocity=v1= 5m/seast wards ^||^then after time t=10sec || towards north 5m/sv2 =5m/s north wards .⇒⇒⇒⇒⇒⇒| towards east 5m/sVresultant =√v1²+v2² =√25+25 =5√2</p><p>acceleration a=velocity/time = 5√2/10 =√2/2 ×√2/√2 =1/√2 towards n-w</p> | |
| 757. |
14. The magnetic susceptibility of a medium is 9.48 x 10-HmCalculate its absolute permeability. |
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| 758. |
A solid material is supplied with heat at a constantrate. The temperature of material is changing withheat input as shown in the figure. What does slopeDE represent.O Heat Input |
| Answer» <p>hence , third option is your ans.</p> | |
| 759. |
27. Two parallelograms on equal bases and between the same parallels are equal in area.So, the ratio of their areas is 1 : 1.EC Toin DG. |
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| 760. |
DII LIPBnate lrom its surfaceQ. 2. Write the balanced equation for the following chemical reactions.(i) Hydrogen + Chlorine→ Hydrogen chloride(un) Barium chloride + Aluminium Sulphate Barium Sulphate + AluminiumChloride(iii) Sodium + water→ Sodium hydroxide + HydrogenAns. (i) H2 + Cl2→ 2HCl(iii) 2Na + 2H2O → 2NaOH + H2 |
| Answer» <p>1)H2+Cl2--->2HCl2)3BaCl2+Al2(SO4)3---->BaSO4+2AlCl3</p> <p>4)2Na+2H2O---->2NaOH +H2</p> | |
| 761. |
e radi of two circles is 5:3. Find the ratio of their circumferencesThe ratio of the |
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| 762. |
36. Two capacitors of 2 and 3 F and are joined in series. The outer plate of the first enpacitor is at1000 V and the outer plate of the second capacitor is carthed. Find out the charge on each capacitorand the potential of the inner plate of each capacitor. Ans. 1.2 x 10 con cuch, 400 V. 100 V. |
| Answer» <p>its not visible so what i solve the problem </p> | |
| 763. |
Explain in brief 'Biodiversity Hot Spots'. |
| Answer» <p>Biodiversity hotspots are areas that support natural ecosystems that are largely intact and where native species and communities associated with these ecosystems are well represented. They are also areas with a high diversity of locally endemic species, which are species that are not found or are rarely found outside the hotspot. The concept of biodiversity hotspots was given by Norman Myers. Originally he gave the twenty-five biodiversity hotspots (green, coded as 1-25) and later Nine hotspots (blue, 26-34) added by Mittermeier. (shown in diagram Below).</p><p>To qualify as a hotspot, a region must meet two strict criteria:</p><p>It must contain at least 1,500 species of vascular plants (> 0.5 percent of the world’s total) as endemics.</p><p>It has to have lost at least 70 percent of its original habitat.</p><p>Three factors that usually determine hotspots:</p><p>The number oftotal species(species richness).</p><p>The number ofunique species(endemism).</p><p>The number of species at risk(threat of extinction).</p> | |
| 764. |
Q.3. How is Magnesium Chloride formedby the transfer of electrons? Why does thesolution of Magnesium Chloride conduct electricity? |
| Answer» <p>Magnesium Chloride is formed by the transfer of electrons.</p><p>They form an ionic bond. An ionic bond is a type of bond in which there is complete transfer of electrons from one atom to to other atom(s). </p><p>Oxidation occurs at Magnesium :</p><p> Mg → Mg^(+2) + 2 e ( e for electrons )</p><p>Reduction occurs at Chlorine :</p><p>Cl + e → Cl^(-1)</p><p>Cl + e → Cl^(-1)</p><p>And the complete reaction is</p><p>Mg^(+2) + 2 Cl^(-1) → MgCl2</p><p>The solution of Magnesium Chloride conducts electricity because it is electrolytic in nature. When current is passed through its solution, the process of electrolysis starts because the solution of Magnesium Chloride starts to ionize .</p><p>Like my answer if you find it useful!</p> | |
| 765. |
o.3. How is Magnesium Chloride formed by thetransfer of electrons? Why does thesolution of Magnesium Chloride conduct electricity2 82 |
| Answer» <p>Magnesium Chloride is formed by the transfer of electrons. They form an ionic bond. An ionic bond is a type of bond in which there is complete transfer of electrons from one atom to to other atom(s). The solution of Magnesium Chloride conducts electricity because it is electrolytic in nature</p> | |
| 766. |
walking at the rate of 4km/hr a man covers certain distance in 2hours45minutes.Running at a speed of 16.5km/hr the man will cover the same distance in. |
| Answer» <p>Time = 2.75 hours. Speed = 4km/hr.Distance = speed*time= 11km. Speed = 16.5 km/hrTime = Distance/Speed= 11/16.5= (2/3) hours= 40 mins</p><p>Please hit the like button</p> | |
| 767. |
. When a body starts from rest, its initial velocity is |
| Answer» <p>when a body starts from rest, its initial velocity is zero.</p> <p>The initial velocity of the particle is zero if it starts from rest.</p> | |
| 768. |
(a) Explain, in brief, primitive cell andBravais lattices3 |
| Answer» <p>During this course we will focus on discussingcrystalswith a discrete translational symmetry, i.e.crystalswhich are formed by the combination of aBravais latticeand a correspondingbasis.</p><p>Despite this restriction there are still many differentlatticesleft satisfying the condition. However, there are somelatticestypes that occur particularly often in nature. Or some - actually distinct -latticesshare certain properties. These aspects arise from the symmetry of thelattices.</p><p>Furthermore, when describing spatial arrangements of objects this is done by using a cordinate system. The choice of the coordinate system (e.g. cartesian, cylindrical, spherical, ...) usually depends on the symmetry as well. Therefore it is helpful to classifycrystal structuresaccording to its symmetry.</p> <p>wrong replied 🙄</p> | |
| 769. |
useful microorganisms |
| Answer» <p>fungi,protozoa,virius, bacteria</p> | |
| 770. |
what is microorganisms |
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| 771. |
ORAn ion with mass number 37 possesses one unit of negative charges. Ifthe ion contains 11.1% more neutrons than electrons. Find its symboland atomic number. |
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| 772. |
Eplain Howis jute obtainedfrom the siteplant? |
| Answer» <p>Duniya Mein Khaas chij kya hai</p> <p>Duniya Mein Khaas chij kya hai</p> <p>From jute fibres is the right answer </p> <p>Thejutefibercomesfrom the stem and ribbon (outer skin) of thejute plant. The fibers are firstextractedby retting. The retting process consists of bundlingjutestems together and immersing them in slow running water. There are two types of retting: stem and ribbon.</p><p>Please Like My Answer And Then I Will Also Like Your Answer.</p> | |
| 773. |
Boojho went to a cloth shop. There he found a fabric which was smooth to touch, halour and shine. The fabric could beINCERTCotton(b) WoolSilk(d) Juteaheli visited a tailor shop and brought home some cuttings of fabric |
| Answer» <p>thanku</p> | |
| 774. |
Calculate molecular mass of glucose (CgH120%) molecule, without considering isotopic effect |
| Answer» <p>Molar mass of glucose (C6H12O6) = 6*C + 12*H + 6*O= 6*12 + 12*1 + 6*16=180 g /mol</p> | |
| 775. |
Describe the adaptation in the polar bear? |
| Answer» <p>Their white fur helps them blend in with the snow and ice. Apolar bearhas a layer of fat under its skin which helps it stay warm. It also has a thick layer of fur. ... The wide, large paws help apolar bearto walk in the snow.</p> <p>1-polar bear is a good swimmer. it helps to catch his prey easily. 2-It has a thick layer of fur on its body. 3- the thick layer of fur helps it from the extreme cold weather. </p> | |
| 776. |
3. Discuss the adaptive features of thepolar bear |
| Answer» <p>Their white fur helps them blend in with the snow and ice. Apolar bearhas a layer of fat under its skin which helps it stay warm. It also has a thick layer of fur.</p> | |
| 777. |
The polar bear survives very well at poles. How? |
| Answer» <p>According to Polar Bears International, polar bears have adapted to challenges facing the species since it evolved and are currently in the process of adapting to new challenges, such as climate change. According to Defenders of Wildlife, polar bears have thick fur and blubber that adapt them to their environment by keeping them warm and buoyant. They also evolved large feet that help them to swim..</p> | |
| 778. |
29.How fast should a man weighing 60 kg run so that his kinetic energy is 750J?fo irl Calgulate the kinetic energy of th |
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| 779. |
on your unuestalb8. Find out from internet what is golden rice. |
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| 780. |
. Find the angles of a quadrilateral whose all angles are equal. |
| Answer» <p>The sum of the angles for each quadrilateral is 360°.</p><p>If it s equal 360/4 = 90°</p> | |
| 781. |
16. Which of the following will sink or float ornwater ? (Density of water 1 g cm-3)(a) Body A having density 500 kg m-3(b) Body B having density 2520 kg m-3(c) Body C having density 1100 kg m-3(d) Body D having density 085 g cm-20 18-7- |
| Answer» <p>The answer is option D</p><p>because the density is lower thant thant of water. </p> | |
| 782. |
How a ship float on water |
| Answer» <p>Ships are able to displace enough water to float because they are less dense than water.A ship's density is determined by both the material used to build it, such as wood or steel, and the open spaces within the ship. Because air is so much less dense than water, the combination of steel or wood and air is much less dense than the water below it. In fact, air is so much lighter than water that very little of a boat has to become submerged for it to displace enough water to float.</p> | |
| 783. |
motion.a. A plucked string of a sitar executes |
| Answer» <p>A plucked string of a Sitar shows vibrating motion.</p> | |
| 784. |
Exercises1. Classify the following as motion along a straight line, circular oroscillatory motion:(0) Motion of your hands while running.(ii) Motion of a horse pulling a cart on a straight road.(ii) Motion of a child in a merry-go-round.(iv) Motion of a child on a see-saw(v) Motion of the hammer of an electric bell.(vi) Motion of a train on a straight bridge. |
| Answer» <p>Describe types of acceleration </p> | |
| 785. |
. Classify the following as linear, circular, vibratory or oscillatory motion:(i) The motion of a swing.(ii) The motion of earth around the sun.(iii) The motion of a cyclist on a plain road.(iv) The motion of a falling stone.(v) The motion of a plucked string of a sitar. |
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| 786. |
what is error of parallax? |
| Answer» <p>Thank you</p> | |
| 787. |
ChVIGNANA JYOTHI PUBLIC SCHOOLLESSON-REPRODUCTION IN PLANTS, TIME ANDMOTIONWORKSHEETDATCT:SCIENCEhat will happen if all the insects are killed by humans and animals? |
| Answer» <p>The worldwide ecosystem would collapse and almost everything would go extinct. Recovery would be slow and difficult, although other sorts of arthropod might eventually step into the gap and start pollinating plants etc.Incidentally, the question doesn’t make sense, as both humans and insects are types of animal.</p> | |
| 788. |
25. Two bodies of mass m and 4m are moving with equal kineticenergies. The ratio of their linear momentum will be |
| Answer» <p>wrong</p> <p>so what is the correct answer</p> <p>1:2</p> <p>sorry i just wrote the formula, check this one</p> <p>yes m has not square</p> | |
| 789. |
11.A block of iron is kept at the bottom of a bucket full of water at 2'C. The water exerts buoyant force onthe block. If the temperature of water is increased by 1'C the temperature of iron block also increasesby 1°C. The buoyant force on the block by water(A) will increase(D) may(B) will decrease(C) will not changedecrease or increase depending on the values of their coefficient of expansion |
| Answer» <p>Option A will increase with the bubble formation in water with increase in temperature.</p> | |
| 790. |
Q-1 What are microbes? |
| Answer» <p>A microbe or microscopic organism is a living thing that is too small to be seen with the naked eye. We need to use a microscope to see them. The human body is home to microbes. For ex: Bacteria, Fungi, Virus</p> | |
| 791. |
How do microbes help in agriculture? |
| Answer» <p>Microbes will help in decomposition of dead and decaying organic matter(i.e bacteria, fungi) and in nitrogen fixation(rhizobium bacteria) </p> | |
| 792. |
3How is a virus different from other microbes? |
| Answer» <p>The biggest difference between viruses and bacteria is that viruses must have a living host - like a plant or animal-to multiply, while most bacteria can grow on non-living surfaces. There are some useful bacteria but all viruses are harmful. Antibiotics can kill bacteria but not viruses.</p> | |
| 793. |
(a) bacteria (b) virus(c) protozoa(d) i3.Name any two diseases caused by1. Bacteria2. Virus3. Protozoa4. Fungi |
| Answer» <p>due to bacteria :conjunctivitis :choleradue to viruses : Flu aidsdue to protozoa:ring worm :African sleeping sicknessdue to fungi. : malaria : blastomycosis</p> | |
| 794. |
( 8 ^ { - 2 } \times 12 ^ { 4 } ) |
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| 795. |
\frac { - 115 } { 28 } \times \frac { - 49 } { 69 } |
| Answer» <p>-115 / 28 * [-49 / 69]=805/276= 35/12</p> | |
| 796. |
Kwashiorkar (a disease caused due todeficiency of proteins) and Marasmus (adisease caused due to deficiency of bothproteins and carbohydrates) are usuallycommon among people with high illiteracy.Why do you think this is? |
| Answer» <p>due to high illiteracy people can't get enough food and jobs for them and they also don't know about diet.this is why they suffer diseases</p> | |
| 797. |
Night blindness is caused due to deficiency of_______________ in our food. |
| Answer» <p>Vitamin A</p> | |
| 798. |
Write ally tuDefine isomerism. Draw all isomers of Pentane.How will you extract Zinc from Calamine. Define the process used in eAlso write the reaction involved.Differentiate b/w photosynthesis and Respiration. (3 pointxtres) |
| Answer» <p>calamineorecanbe used directly in azincsmelter because on heating it also formszincoxide. (2) The impurezincoxidecanbe treated in two ways toextractthezinc: (a) It is roasted in a smelting furnace with carbon (coke, reducing agent) and limestone (to remove the acidic impurities).</p> | |
| 799. |
Q.2.Explaincircumstances leading to acid rain. How does acid rain affect us?CTOns o1 these orgahelleSOr |
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| 800. |
5.How are rough materials different from smooth materials? Give two examples of each. |
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