InterviewSolution
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InterviewSolution
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.
| 6651. |
Work to be done to be incrase the velocity of car form 48km to 54 h if the massof the car is 3000kg? |
| Answer» Type answer | |
| 6652. |
methods of irrigation |
| Answer» Sprinklar systemDrip irigition Rahat( ancient system). etc | |
| 6653. |
Find formula and calculate the molecular and molar mass of ammonia carbonate? |
| Answer» | |
| 6654. |
How is ultrasound used for cleaning? |
| Answer» When high frequency ultrasonic waves are passed through the solution in which the object to be cleaned is placed, the dirt comes out to the surface and object get clean | |
| 6655. |
What do you mean by endamosis |
| Answer» Whwen tge water goes into the cell, when tgere is less concentration of water inside the Cell as compared to medium. | |
| 6656. |
Derive lemda/v |
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Answer» V=n×lmdan=v÷lmda Refer to Page of Sound lesson |
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| 6657. |
Why are we sleep |
| Answer» To give rest to different parts of our body. | |
| 6658. |
How is sound produce |
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Answer» When an object vibrates, it forces the neighbouring particles of the medium to vibrate. These vibrating particles then force the particles adjacent to them to vibrate.In this way, vibrations produced by an object are transferred from one particle to another till it reaches the ear. By vibrating object |
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| 6659. |
What is difference between evaporation and boiling |
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Answer» Evaporation causes cooling whereas boiling does not causes cooling. 1.Evaporation is a surface phenomena.But boiling is a bulk phenomena. |
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| 6660. |
Calculate molar mass of Al(OH)↓3. |
| Answer» 27+(16+1)×327+(17×3)27+5178u | |
| 6661. |
Defination of workdone in science?? |
| Answer» Work done by force acting on an object is equal to the product of force and the displacement of the object in the direction of the force. Work done is defined in such a way that it involves both force applied on the body and the displacement of the body. | |
| 6662. |
Find formula and calculate the molecular and the molar mass of ammonium carbonate |
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Answer» Khud kar padh kIdhar hamlog ko bhi padhne de Science ki class 9th ki book nahi h kya tere pass NH4CO3 Baki tu jann You $&*%#@! Ammonia |
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| 6663. |
Which 2 factors bring about loss of food grains during storage |
| Answer» Biotic factors and abiotic factors | |
| 6664. |
diversity in living organisms chapter se kya puchte h or kitne no. ka puch te h |
| Answer» Sab kuch study kar le | |
| 6665. |
Uses of isobars |
| Answer» an isobar of cobalt is used in treatmant of cancer. As the atomic no. of two isobars is different they have different chemical properties, Unlike isotopes, isobars do not have any significant application in chemistry. They are useful like U235 is used to determine the age of a planet etc. | |
| 6666. |
Example of phanerogams? |
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Answer» Phanerogams dont have well defined reproductive organelles. They have naked embryos called spores. They include: Thallophyta,Bryophyta and Pterodophyta Gymnosperms and angiosperms These includes cycus, pinus and many others. Examples ? include cycas, pinus,etc I don\'t know |
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| 6667. |
How to learn diversity in living organisms chaptter????? |
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Answer» Yes This chapter is just like evolution you can learn easily by one by one change Right By concentration |
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| 6668. |
Name a tissue present in tip and stem |
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Answer» Simple permanent tissue ( collenchyma) Apical meristem tissue present in tip and stem Apical meristematic tissue Apical meristematic tissue SNnwm |
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| 6669. |
Difference between healthy\' and diasease free???? |
| Answer» \tHealth is described as the state of complete physical, mental and social well being.\tDisease can be defined as an impairment of the normal state of the living organism that disturbs or modifies the performance of the vital functions. | |
| 6670. |
What are ligament and tendons |
| Answer» Ligament are joint to bone to bone But tendons muscle to bone Ligament have more strength But tendons have less strength Ligaments are flexible where as tendons are elastic.... | |
| 6671. |
Class 9 sa2 question paper |
| Answer» | |
| 6672. |
Calculate the molecular mass HNO3 ?Name the first land plants on the earth ? |
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Answer» Molecular mass of H+molecular mass of N+3molecular mass of O=1+14+3(16)=1+14+48=63 Mass of HNO 3 63 u |
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| 6673. |
What type of clothes should wear in summer? |
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Answer» We should wear cotton clothes because they are porous in nature and it absorbs sweat rapidly redulting in higher rste of evaporation due to which our body feels cool. During summer we should wear cotton cloths because they are good absorber of water. As Cotton cloths absorbs sweat rapidly resulting in higher rate of evaporation Due to which our body feels cool. We wear light clothes because they absorb sweat Cotton and White clothes should wear in summer |
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| 6674. |
Why do napthalene balls disappear without leaving any solif |
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Answer» Napthalene is a volatile solid and has a tendency to sublimation . Therefore it change into vapour completely which disppear into the air no solid is left. Napthalene shows the propoerty of sublimation and evaporation of naphthalene balls take place easily therefore it disappears with course of time without leaving any solid Napthalene balls disappear without leaving any solid because it sublime and invisible in environment by the process of Diffusion Because naphthalene ball are sublimablecompound which directly change into gases Napthalene balls gets disappear without leaving any solid as because napthalene ball are sublimable compound which directly change into gases state without undergoing the liquid state. Napthalene balls without leaving any solid because they are sublimant they changed dramatically without changing its liquid state. |
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| 6675. |
Which medium sound very fast |
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Answer» Sound travels fastest in solid state than in liquid than in gas Solid Solid |
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| 6676. |
Iron water air which medium faster sound |
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Answer» Iron because sound travels fastest in solid state Iron |
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| 6677. |
Which has greater velocity sound or aircraft moving with 1500km/h |
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Answer» I think it\'s sound having the greater velocity as compared to aircraft with both having a speed of 1500km/ hr Aircraft travel with greater velocity |
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| 6678. |
Hio |
| Answer» | |
| 6679. |
Koi kinetic energy ki derivation de do ???? |
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Answer» F=ma2as=v²-u²a=v²-u²÷2F=mv²-u²÷2When u=0K.E=F=½m(v²-0)K.E=½mv²Therefore derived. the energy passessed by an object by virtualof its maas is called its kinetic energy |
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| 6680. |
What is kindom monera |
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Answer» - The organism has well defined nucleus or organelles , cell wall is present in some organism of this group , nutrition - autotrophic or heterotrophic Kingdom Monera is considered as the most primitive group of organisms and monerans are most abundant of all. It generally comprises unicellular organisms with a prokaryotic cell organization. They lack well-defined cell structures including the nucleus and other cell organelles. They consist of prokaryotes which include species like the Cyanobacteria, archaebacteria, mycoplasma, and bacteria are a few members of this kingdom.The general characteristic features of Monerans are:\tMonerans are present in both living and non-living environment.\tSome have rigid cell walls, while some do not.\tMembrane bound nucleus is absent in monerans.\tHabitat – Monerans are found everywhere in hot or thermal springs, in the deep ocean floor, under ice, in deserts and on or inside the body of plants and animals.\tThey are autotrophic, i.e., they can synthesize food on their own while some other have a heterotrophic, saprophytic, parasitic, symbiotic, commensalistic and mutualistic modes of nutrition.\tLocomotion is with the help of flagella.\tCirculation is through diffusion.\tRespiration in these organisms vary, few are obligate aerobes, while some are obligate anaerobes and facultative anaerobes\tReproduction is mostly asexual and few also reproduce by sexual reproduction. Sexual reproduction is by conjugation, transformation, and transduction. Asexual reproduction is by binary fission. In kingdom monera organisms which are prokaryotes and are unicellular falls in this kingdom |
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| 6681. |
How to find valency of an element |
| Answer» Valency is the combining capacity of an element. To find the valency write the electronic configuration of the element Then see the no.of electrons preaent in the last shell. If the last shell contains 1 to 4 electrons then that number itself will be the valency. If it contains more than 4 electrons in the valence( last) shell then subtract it from 8 . Because valency is the ability of an electron to lose or share its electrons to attain its octect configuration. Eg: valency of magnesium is 2( (2,8,2) atomic number 12). Phosphorus valency is 3( 2,8,5) ( atomic number is 15) | |
| 6682. |
What is optical illusion |
| Answer» An experience of seeming to see something which doesn\'t or is other than it appears. | |
| 6683. |
Mass selection defination in biology |
| Answer» It is the simplest method used in which larger number of plants are there with same phenotype. Selection of seeds of these plants are harvested and mixed to result in a new form or a new variety. By this method the improvement of crops is observed. This method is performed in self and cross. Phenotype appearance is basically observed in the crops and plants which are pollinated. Even the selection of plant height, grain and color is also preferred. This method helps the farmers to look into the crops identically and make them grow equally for better production as the same type of atmosphere and care will be given and they will be treated better and equally result in better output. | |
| 6684. |
Round worm belong to which phylum ? |
| Answer» Phylum mollusca | |
| 6685. |
Name 2 factors in which buoyant force is dependent |
| Answer» (a) Volume of object submerged and density of the fluid.(b) Buoyant force = Weight of the fluid displaced. | |
| 6686. |
Define echinodarmata ?with figure |
| Answer» Phylum Echinodermata (spiny skinned animals)Main Features are as follows:(i)\xa0They are marine and free living.(ii)\xa0They are triploblastic, and have a coelomic cavity.(iii)\xa0Body surface is covered all over by spines\xa0(iv)\xa0Body cavity is modified into a water-vascular system and has a peculiar water-driven tube system which is connected tubefeet for locomotion.(v)\xa0Sexes are separate.(vi) They have hard calcareous structures that is used as a skeleton.\xa0Examples. Asterias (star fish), Echinus (sea urchin), Antedon (feather star) etc.A Antedon\xa0B. HolothuriaC. StarfishD. OphiodermaE. Echinus | |
| 6687. |
Name any 2 indegenious species of cow |
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Answer» I think Red Sindhi and Sahiwal cows are indigenous species of cows. 1. Jercy |
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| 6688. |
What is hybridisation. |
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Answer» The cross breeding of two or more inter specific species is known as hybridization. The process of an animal or plant breeding with an individual of another species or variety. |
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| 6689. |
Define concentration. |
| Answer» Amount of solute present in different amount of solvent. | |
| 6690. |
Write the chemical formula of sodium chloride and calcium chloride |
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Answer» Sodium chloride - NaClCalcium chloride - CaCl2 Nacl and cacl3 nacl |
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| 6691. |
Write two applications of Archimedes principal? |
| Answer» help us to know atom is present in middle. | |
| 6692. |
On what factors the work done on body depends? |
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Answer» Force and Displacement. The work done on a body depends upon two factors:\tMagnitude of the force (F), and\tThe displacement through which the body moves (s). |
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| 6693. |
Human is a matter??????? |
| Answer» Yes all living or non living things are matter | |
| 6694. |
What is diatomic? |
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Answer» The molecules having two atoms are called diatomic molecules. It means 2 atoms |
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| 6695. |
What is prokaryates |
| Answer» Prokaryotic cells are cells which have a primitive nucleus. They lack cell organelles and nuclear membrane. The unicellular organisms made up of such cells are known as prokaryotes... | |
| 6696. |
Q.write a method to seperate difference gases of air??? /please help |
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Answer» Thnx Frictional distillation |
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| 6697. |
The boiling point of alcohol is 78\'C .what is this temperature on kelvin scale ? |
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Answer» 78+273=351k 78+ 273= 351 K |
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| 6698. |
what is the fourth state of matter called |
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Answer» There are five states of matter•solid•liquid•gas•bose-einstien condensate•plasma Sky? |
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| 6699. |
Air |
| Answer» | |
| 6700. |
Kinetic energy |
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Answer» Kinetic energy is directly proportional to the mass of the object and to the square of the velocity. The energy possesed by a body due to its motion is called kinetic energy. |
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