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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.
| 2601. |
What is equilibrium |
| Answer» The outer protective covering of our body is equilibrium. It is also present on the oiter covering of organs. | |
| 2602. |
What do we get from cereals,pulses,fruits and vegetables |
| Answer» ENERGY | |
| 2603. |
Caculate the speed of tip of minutes hand of a clock whose length is 7 c.m. |
| Answer» | |
| 2604. |
Is matter is surrounded pure? |
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Answer» Most of the substances in our surroundings are not in their pure form and are called mixture. Substances which are made of two or more matters and which can be separated by physical methods are known as mixtures, such as mixture of salt and water, mixture of sugar and water, mixture of different gases, air, etc. Matter is something which occupy space and have mass. It is not compulsory that everything surrounding us is pure. For ex. - air is not pure. Pure matter are those which contain only one type of element and air is a mixture of a number of gases. 24 carat gold is a pure matter as it contain only gold molecules. |
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| 2605. |
question for fa1 |
| Answer» | |
| 2606. |
What is the of collid |
| Answer» | |
| 2607. |
Definition of density. |
| Answer» Mass per unit volume is called density. | |
| 2608. |
Explain why sponge though compressible is a solid |
| Answer» Because sponge have small pores on its surface | |
| 2609. |
What is the unit of distance and display |
| Answer» MKS m CGS cm | |
| 2610. |
What happened if we put a piece of Campher in Open air |
| Answer» It will get sublimated. | |
| 2611. |
Why the hearing capacity of a dog is better than humans |
| Answer» It\'s actually not better than humansThe difference is that the dogs have ear drum which can tolerate the power of ultrasonic voice and this ultrasonic voice cane be heard by them | |
| 2612. |
differentiate between osmosis or diffussion |
| Answer» Diffusion is a process in which molecule of substance moves from higher concentration to lower concentration.Osmosis is process in which water molecule starts moving from higher concentration to lower concentration through semi permeable membrane | |
| 2613. |
What is the SI unit of enargy |
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Answer» The joule symbol is J Joule is the S.I. unit of energy Jule |
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| 2614. |
Lysosomes is called suicidal bag.Why? |
| Answer» Because they have hydrolytic enzymes i.e. very powerful digestive enzymes. When accidentally they burst the enzyme come out and digest the whole cell. Therefore the lysosomes digest their own cell. Hence they are called suicidal bag of cell | |
| 2615. |
Which force hold the particles of matter |
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Answer» Interparticls force Intermolecular force of attraction |
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| 2616. |
Why liquid is compressible? |
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Answer» Because their particles have high space between them then solid No, it is not highly Compressible. It is Compressible at some extent. |
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| 2617. |
Why is cell called the structural and functional unit of life? |
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Answer» Because all the activities done by cell Because all metabolic functions are done through the cell |
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| 2618. |
Name two unicellular organism |
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Answer» Paramecium and amoeba Amoeba and peramitium |
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| 2619. |
Where are parenchyma tissue located in plants |
| Answer» Parenchyma cells are found in soft organs of plants, like in the cortex, pith and medullary rays of stem Tec. | |
| 2620. |
Why there is warm in summer season and cold in winter, sun is same in both season |
| Answer» See friend , we know that our earth is tilted,when it reaches the left side of the sun then the northern hemisphere of the earth is bented towards the sun and the southern hemisphere is a little away from the sun...thus northern hemisphere faces summer as a warm season and southern hemisphere faces winter as cold season..When the earth reaches At the right side of sun, the southern hemisphere is bented towards the sun and the northern hemisphere is a little away from the sun...thus southern hemisphere faces summer as a warm season and northern hemisphere faces winter as a cold season... | |
| 2621. |
If we keep water to evaporation in are which doesn\'t have evaporation who the water will evaporate |
| Answer» Hey RavneetPalak this sideI can\'t understand your question...Plz tell properly | |
| 2622. |
What is evaporation in simple words |
| Answer» The process of which liquid change into vapour in any temperature below its boiling point is called evaporation | |
| 2623. |
Name the process in which the change of the state of the matter takes place? |
| Answer» | |
| 2624. |
Write the characteristics of Plasma membrane. |
| Answer» | |
| 2625. |
What are the function of plastids |
| Answer» Plastids are present in cell and it is also known as kitchen of the cell. It is divided into three parts 1.chromoplast:It provide colour to fruits, vegetables etc. 2.chloroplast:-it is green plastid. It contain cholorophll which traps the energy from sunlight and convert it into chemical every. It help in photosynthesis. 3.Leucolpast :-these are colourless plastid which store the food in the form of starch. | |
| 2626. |
Why we need more?give an example? |
| Answer» | |
| 2627. |
science in Hindi |
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Answer» Vigyan Vigyan |
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| 2628. |
Whatis homogeneous mixtire? |
| Answer» A mixture in which the particles are mixed and cannot be seen with naked eyes | |
| 2629. |
In summer why pot water is cool? |
| Answer» In summers water in an earthen pot is cool as this pot has tiny pores on its surface through which water droplets gets evaporated continuously leaving the surface cool which makes the water cool | |
| 2630. |
smell of perfume is matter or not ?why? |
| Answer» Yes it is a matter because it contains small perfume particles and matter is anything that has mass and volume | |
| 2631. |
Ribosomes occur freely in the cytoplam as well as attached to |
| Answer» Yes in Endoplasmicplasmic reticulum | |
| 2632. |
When acceleratiin is negative? |
| Answer» When velocity is opposite to direction of motion | |
| 2633. |
Make a comparision and write down ways in which plants cells and different from animal cell |
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Answer» It\'s very easy Plant cell have cell wall animal cell doesn\'t have vacuoles are present in plant cell but not in animal cell The outermost covering of animal cell is cell membrane but the outermost covering of plant cell is cell wall plant cell have vacuoles but animal cell doesn\'t have or aur in very small quantity nucleus in plant cell is present at left side but in animal cell it is present in at the centre I have no answer |
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| 2634. |
Which chemical is used for staining of onion peel and cheek cell |
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Answer» Sodium Benzoate Sodium benzoate |
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| 2635. |
Which chemical is used for mounting |
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Answer» Which chemical is used for mounting What !!!!!!! |
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| 2636. |
Complete the following figure by mentioning the process :Solid -liquid -gas |
| Answer» | |
| 2637. |
What is a life span of a cell |
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Answer» Cell is composed of nucleic acid There are three types of nucleic acid RBC 120 DAYSWBC 6 TO 7 DAYS PLATETS 3 TO 4 DAYS It depends on type of cell and function it performs It depends on the type of cell |
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| 2638. |
Describe the theory of cells? |
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Answer» The cell theory has the following postulates:-1.All the organisms are composed of cell and cell products such as secretion.2.All the metabolic reactions take place in cell.Thus,cell is the structural and functional unit of life.3.All the cells arise from pre-existing cells.No cell can originate spontaneously but comes into being by division of already existing cells.4.Every living organism starts its life as single cell.Viruses are an exception to cell theory. 1. Cell is the structural and functional unit of life.2.All animals and plants are composed of cells.3. New cells arise from pre-existing cells |
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| 2639. |
Is displacement be zreo |
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Answer» Yes Yes bro Yes Yes In 99.9% cases displacement is always zero Yes Yes |
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| 2640. |
Why is hydrogen peroxide kept in coloured bottles |
| Answer» Hydrogen peroxide is a highly reactive matel that can react with light or heat to provide water to prevent it\'s reaction with light and heat to make water its stored in coloured bottels so that light doesn\'t pass through | |
| 2641. |
What is the chemical formula of potash alum. |
| Answer» K2so4.al2(so4)3.24 h2o | |
| 2642. |
Why plastids are called kitchen of the cell? |
| Answer» Because they provide the sight for photosynthesis in plant and trough which plants make their own food | |
| 2643. |
A partical is moving in a circular path of radius r. Find out the displacement after half a circle. |
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Answer» Hii Displacement =diameter of circle =2r and distance. =22 /7 *r |
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| 2644. |
Why cell wall is present in theplant cell |
| Answer» To provide rigidity to the plant cell from variations in the environment. | |
| 2645. |
What is phosopholids |
| Answer» They are the outer covering of plasma membrane that makes proteins | |
| 2646. |
What is the function of cell wall |
| Answer» 1.It provides rigidity and maintain the shape of the cell.2.It gives mechanical strength to the cell.3.It protects the cell from injury and from extreme weather conditions.4.It prevents the cell from bursting during endosmosis. | |
| 2647. |
How to find displacement |
| Answer» The shortest distance covered by the body (object). | |
| 2648. |
Draw or paste the product which are injurious for health |
| Answer» | |
| 2649. |
Who coined the term protoplasm? |
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Answer» Purkinje Purkinke Purkinje Purkinje J. E. Purkinje Purkinje |
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| 2650. |
What is the Defination of evaporation |
| Answer» Evaporation is the change of liquid into its vapour at a temperature below its boiling point. | |