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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.
| 67701. |
What are reading spectacles? |
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Answer» Convex lens..... Covex lens |
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| 67702. |
What is xylem and phloem? Function. |
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Answer» Xylem is a plant tissue which helps in transportaion of water and minerals from soil to leave and other parts.Phloem is a plant tissu which translocates food from leaves to other parts of plant. Xylem and phloem are the tissues of plants...xylem is used to transport water..and phloem is used to transport food Xylem and phloem are the conducting tissues of a plant. Xylem transports water and minerals and phloem transport only food..... |
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| 67703. |
How is the process of polination different from the fertilization |
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Answer» Pollination is the transfer of pollen grains from the anthers (male structures) of a flower to the stigma (female structures) of the same or another flower. The pollen grains get deposited to the sticky tip of the pistil; known as stigma and travels down to the filament in the flower in order to reach the ovules. This transfer of pollen is generally mediated by abiotic or biotic means. Biotic means include insects and other animals while abiotic means include wind or water.Fertilization on the other hand, is the actual reproductive process where the sperm nuclei fuse with the ovary to form the zygote. In a simple way, a successful pollination leads to fertilization. Pollination is the transfer of pollen grains frm anther of stamen to stigma of carpel.......and fertilisation is the fusion of male and female gamete to form zygote |
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| 67704. |
Why noble gases were discovered late??? |
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Answer» GOOD question ;;; and here is your best answer?➡️Thecomponds of noble gases were discovered late because most\xa0elements\xa0were discovered through their reactivity with other elements, typically with oxygen, it was difficult for scientists to work with a substance that seemed to have little or no chemical properties based on the lack of reactivity. As there were present in extremely low concentration in the atmosphere and were very unreactive and inert |
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| 67705. |
Refraction by spherical lense |
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Answer» There are two lense concave and convex which refracts the light ray.... Complete yur question.. |
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| 67706. |
Why are magnetic field lines more crowded towards the pole of magnet |
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Answer» Because of more force of attraction near the poles as compared to middle of the magnet Bcoz the strength of magnet is strongest near the poles... |
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| 67707. |
explain with circuit diagram the effect of current on a compass needle |
| Answer» | |
| 67708. |
What is chlor alkali process |
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Answer» When electricity is passed through the solution of sodium chloride (called brine )it decomposes to form chlorine and alkalis .this process is called chlor alkali process because of product formed chlor for chlorine and alkali for sodium metal The process of electrolysis of sodium chloride solution is called chlor alkali process. |
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| 67709. |
Genotypic ratio in a dihybrid cross |
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Answer» Dihybrid cross Genotype ratio is 1:2:1 |
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| 67710. |
What is the function of renal artery |
| Answer» Renal artery carries mineral rich, oxygenated blood from the heart to the kidneys for nutrition and cellular respiration.Renal veins carry deoxygenated blood after waste products have been removed via glomerular filtration back from the kidneys to the heart. | |
| 67711. |
Write the rule of light scttering |
| Answer» Tyndall effect | |
| 67712. |
Functions of synapse |
| Answer» Itbis a microscopic gap between two neurons.•It helps to pass the nerve impulse from one neuron to next | |
| 67713. |
What is the repeated questions |
| Answer» The question which is repeated is called repeated question??? | |
| 67714. |
The reactions between baking soda and lemon juice will blow the balloon why explain |
| Answer» Because it releases hydrogen and carbon dioxide gas during the reaction | |
| 67715. |
What you mean by chemical reaction |
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Answer» It is the process of transfer of one substance to another substance to form a new product is called chemical reaction Chemical reaction is a sudden change in which reactants reacts to form a new product . |
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| 67716. |
What do you mean by characteristics???? |
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Answer» Thanks Characters are the well defined features of organism.Ex.plant height, skin color position of ear lobe etc. |
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| 67717. |
How will you show that traits are independently inherited??? |
| Answer» Thanks | |
| 67718. |
What ensures the continuity of DNA in further generations??? |
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Answer» Thanks DNA copying ensures continuity of DNA in further generations. |
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| 67719. |
How velocity and momentum of a proton can change while it moves freely in a magnet? |
| Answer» Proton does not changes its mass and speed but it changes its direction | |
| 67720. |
Define Ray s |
| Answer» The straight line in which light travels to given point | |
| 67721. |
What is the formula of butyric acid |
| Answer» Molecular- C4H8O2Empirical-C2H4O | |
| 67722. |
What is fertilization? how is it diffrent from pollination |
| Answer» The process of fusion of Male and female gametes is called fertilization | |
| 67723. |
Which part of our heart is known as pacemaker ? |
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Answer» Its SA node not AV node Normally, the electrical impulses from the heart muscle cause your heart to beat as well as this electrical signal begins in the sinoatrial (SA) node, even it is also located at the top of the heart\'s upper-right chamber (the right atrium).\xa0As well as SA node is sometimes called the heart\'s natural pacemaker. Av node |
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| 67724. |
What are phyto hormone write its type with one function each |
| Answer» Phyto harmones are plant harmones | |
| 67725. |
Whats is law of conservation of mass |
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Answer» Law of conservation of mass is atom neither be created nor be destroyed ,this postulate given by Dalton. Law of conservation of mass simply states that mass can neither be created nor be destroyed No of reactants is equal to no. Of products Law of conservation of mass (A. Lavoisier 1774) states that matter is neither created nor destroyed during any physical or chemical change and as such the total mass of the reactants before the reaction is equal to the total mass of the products after the reaction. This law is also called the law of indestructibility of matter.Verification. This law can be verified with the help of Landolt’s experiment. Landolt took the solutions of sodium chloride and silver nitrate separately in two limbs of Landolt’s tube. The tube was weighed and sealed. After weighing, the two solutions were mixed thoroughly by shaking the tube. As a result, silver nitrate reacted with sodium chloride to from a white precipitate of silver chloride.After the reaction, the tube was again weighed and weight was found to be the same as it was before the chemical reaction. This confirms the truthfulness of the law. |
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| 67726. |
A common nutrient which is absorbed by small intestine and reabsorbed by the kidney tubules |
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Answer» Hindustan zindabadPakistan murdabad Glucose & Amino acid Confirm it is glucose Maybe it glucose |
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| 67727. |
What is the range of vision of a normal eye |
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Answer» 25 cm If you have any kind of a doubt in Science and Maths then you can ask with me Range of a normal eye is 25 cm to infinity Maybe it infinite Min distance is 25cm and far pt is infinity |
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| 67728. |
What is a divalent hydride |
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Answer» Attached It is a cristiline form in which 2 molecule of water is attachef |
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| 67729. |
all colour name means such as FESO4 |
| Answer» Feso4 is light green in colour | |
| 67730. |
What is the convex mirror |
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Answer» * It always form virtual erect and diminished image .* It is used in vehicles mirror as it gives wider field view of the traffic behind.* Height of the image is lesser than the object* Its also called diverging mirrorHope the answer helps you It is a mirror whose reflecting surface is bulged outwards. It forms a virtual and erect image of the object in all cases A spherical mirror whose reflecting surface is curved outwards is called convex mirror |
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| 67731. |
Please give me some important question of reproduction chapter ? |
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Answer» Also give heridity and evolution Some more important questions that ask in exam Why variation is necessary?What is importance of DNA copying mecanism?Name an organism reproduces through spore formation?what is reproductive and non reproductive part in it?what is its advantage?Define budding in hydra and regeneration in planaria?What is importance of seminal vesicles and prostat gland?Define pats of carpel?What is pollination?W |
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| 67732. |
Important question for pre board |
| Answer» chem cleansing action of soapesterificationsaponificationreaction of acid wd sodium bicarbonate n sodium hydrogencarbonatepreparation of soapsIUPAC namesBio harmone n their functions both animal n plant harmonelaw of dominance depletion of ozoneDouble circulation in humansneuron nephron | |
| 67733. |
What are canal rays and who discovered them |
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Answer» \tA German scientist, E. Goldstein in 1886, modified the discharge tube and passed an electric current through it.\tHe found that the positively charged rays were emitted from the anode in the discharge tube. These rays were called canal rays. I discoverd |
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| 67734. |
Why is ethanol used as a fuel |
| Answer» Because ethanol is renewable domestically produced alcohol fuel made from plants.ethanol can reduce oil dependence and greenhouse gas emissions | |
| 67735. |
How do mendal\'s experiment show that traits can be recessive and dominant |
| Answer» prove d law of dominancein F1 generation all are dominantbut In F2 generation d phenotypic ratio is 3:1 means d characters formed r TT Tt T t n tt ....tt is homozygous dwarf n all others r heterozygous tall in monohybrid cross | |
| 67736. |
What are the methods of vegetative propagation. Please explain..... ?? |
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Answer» Cutting GRAFTING LAYERING Natural Methods of Vegetative Propagation1. From RootTuberous roots of sweet potato and asparagus become swollen due to storage of food. This forms the new plants in the next season.Vegetative Propagation2. From StemUnderground and subaerial stems are modified for vegetative propagation. ExamplesTuber of potato is an underground stem which stores food. It has buds in the depression called eye which can give rise to a new plant.Vegetative PropagationRhizome is an underground stem that bears buds. Ex ginger, turmeric.Vegetative PropagationBulb is a small disk-like stem surrounded by scale leaves.It is found in onion. In this, a new plant can arise from the stem.Vegetative PropagationAn aerial stem of grass mint and strawberry may give rise to new plant by vegetative propagation.Vegetative Propagation3. By leavesleaves of bryophyllum bear adventitious buds in the Notches in the margin of the leaf. When leaf follows the ground beef buds grow to form the independent plant.Artificial Methods of Vegetative Propagation1. CuttingIn this method, the healthy branch having leaf Buds is planted in the moist soil. The cutting develops roots and grows into a new plant. Example Rose, bougainvillaea, sugarcaneVegetative Propagation2. Layering In this process lower branch of the plant is bent towards the ground and covered with moist soil. The tip of the branch comes out of the soil. After some days the roots are developed. The branch is cut and allowed to grow at a new place. Example JasmineVegetative Propagation3. GraftingThis is a common method used to develop new varieties. In this method, a branch of desired variety of a plant called scion is grafted with a plant of the same type having a well-developed root system (stock).After some days the tissues of the stock and scion join to form a new plant. Example: Mango. |
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| 67737. |
Define 3 R\'s........ |
| Answer» 1)reuse-reusing of waste material2)reduce-reduce pollution3) recycle-using the waste material by recycling it ex.paper | |
| 67738. |
What is neutrilisation reaction also give one example |
| Answer» acid + base gives salt n waterHcl+ NaOH --> NaCl + H2O | |
| 67739. |
Mention the importance of DNA Copying in reproduction.( for= 5 marks). |
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| 67740. |
Difference between resistance and resistivity. |
| Answer» \tParameterResistanceResistivityDefinitionMaterial’s property that provides an obstruction to the flow of currentResistance of a material having specific dimensionsSymbolRPSI UnitOhmsOhms-meterFormulaR = V/I or, R = ρ(L/A) V = Voltage, I = Current, ρ = Resistivityρ = (R×A)/L R = Resistance, L= Length, A = Cross-sectional areaDependenceTemperature, Length, Cross sectional area of conductorTemperatureApplicationsResistance’s property is useful in sensors, fuses, heaters etcResistivity is effective as a quality control test\t | |
| 67741. |
In which these following are connected parallel or series:-1.Ammeter2.Voltmeter3.Galvanometer |
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Answer» Voltemeter in parallel & ammeter in series ammeter in series & Voltmeter in parallel combination.. Ammeter and galvanometer are connected in series and voltmeter is connected in parallel. voltmeter Ammeter and galvanometer is connected in series whereas the voltmeter is connected in parallel |
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| 67742. |
What is meant by biodiversity? List two advantages of conserving forest & wildlife... ( FOR=2 marks) |
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| 67743. |
What effect the concenteration of H+ ion have on the nature of the solution |
| Answer» make it more acidic | |
| 67744. |
Defination of restivity in not term of material |
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Answer» In not term of material mtlb...??? Ya Defination of resitivity simply did u mean resistivity |
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| 67745. |
Who plays coc . |
| Answer» | |
| 67746. |
Why do mammals require more extensive respiratory surface,? |
| Answer» Mammals require\xa0an\xa0extensive respiratory surface\xa0because we have high energy requirements.Unlike fishes, reptiles and amphibians, we are warm blooded and maintain a constant body temperature, and this does\xa0take energy.Compared to reptiles we use\xa0more\xa0oxygen because we need it to convert food into body heat. | |
| 67747. |
Formulas of chapter12 electricitt |
| Answer» 1) I=Q/T2) V=W/Q3) V=R. I (OHM\'S LAW) | |
| 67748. |
List three characteristic of lungs which make it an efficient respiratory surface? |
| Answer» (i) It has large surface area and branched.(ii) Contain an extensive network of blood vessels.(iii) It is thin, delicate and fine. | |
| 67749. |
Elements of a same group have similar properties , why ? |
| Answer» Elements of same group has similar properties because their outer shell in a group share some similar chemical properties | |
| 67750. |
How will you show experimentally that metals are good conductor of heat |
| Answer» By the process of conduction... | |