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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.
| 1901. |
define distance |
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Answer» The whole length travelled by any object on given interval of time Total path covered by an body Total path length covered by an object |
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| 1902. |
What are the two postulates of cell |
| Answer» 1) It is formed from old mother cell.2) It is the structural and fundamental unit of life | |
| 1903. |
What is substance ? |
| Answer» Substances are classified into two types. They are,Pure Substance: A substance which is made of one kind of particle.Examples - iron, aluminium, silver and gold.Mixtures: A substance which contains two or more different particles is known as mixtures.Example: Salt solution is made up of two components, salt and water. Therefore,salt solution is a 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. In a mixture, components do not combine chemically or through any chemical change. In a mixture, components do not lose their properties. | |
| 1904. |
Why is parenchyma called the permanent tissue ? |
| Answer» They are called permanent because they will not further divide into more cells. | |
| 1905. |
What is a stomata ?? |
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Answer» Stomata are tiny pores or openings on the surface of leaves. Stomata are tiny pores present on the surface of the leaves of plants. Stomata is a special type of pore opening on the leaves of the plants. 1 |
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| 1906. |
Motion graphics card and solutions of activity 8.9 |
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| 1907. |
What is dispersed phase and dispersing medium? |
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| 1908. |
What is haemodailysis |
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| 1909. |
Name any two unicellular organisms |
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Answer» Amoeba, paramecium bacteria and euglena... I gave u four Amoeba Amoeba and paramecium |
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| 1910. |
10 practical based questions based on activities chapter 1 |
| Answer» Which subject | |
| 1911. |
Pressure |
| Answer» Force per unit area is called pressure | |
| 1912. |
Evaporation is directly proportional to surface area why? |
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| 1913. |
What is function of meiosis |
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| 1914. |
Co2 |
| Answer» Carbondioxide | |
| 1915. |
Why do we see water droplets around a cold water bottle |
| Answer» Because of the atmospheric humidity | |
| 1916. |
What is the full form of STD |
| Answer» Sexually transmitted diseases | |
| 1917. |
What is the definition of velocity |
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Answer» Velocity is change in displacement A vector quantity that denotes the rate of change of position with respect to time, or a speed with the directional component. |
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| 1918. |
What is the physical state of matter |
| Answer» Solid, liquid or gas | |
| 1919. |
drive 2nd equation of motion by graphical method |
| Answer» | |
| 1920. |
What is the effect of the following on the rate of diffusion . a- Temperature b-Density of liquid |
| Answer» Temperature | |
| 1921. |
What is drone ? |
| Answer» Drone is flying object.which controlled by a rc remote.see in youtube if want to know avout it\'s functions. | |
| 1922. |
Write the structure and functions of different cell organelles |
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| 1923. |
Ngujkhyi |
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| 1924. |
A=u-v/t prvoe anyone |
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| 1925. |
Which organelles have double membrane |
| Answer» Nucleus | |
| 1926. |
Sand is a solid if so,why it is mixed with other particles? |
| Answer» Sand is a solid. The particles of sand do not mix with other items or substances. Other substances appear to be mixed in sand, but this is not true, as, the substances do not get combined or dissolved with sand particles.Sand is made up of tiny particles, which do not mix with other thimgs. | |
| 1927. |
What is the meaning of motion?? |
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Answer» An object is said to be in motion if it changes its position with a unit time Motion meaning is in hindi is Gati Motion is a when one person move from one place is know as motions |
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| 1928. |
Which rays depends on the nature of the gas |
| Answer» Anode rays | |
| 1929. |
Which one is sublime substance? 1.table salt2.sugar3.iodine4.potassium iodide |
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Answer» Iodiene Potassium iodide |
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| 1930. |
What is magnitude of displacement? |
| Answer» The numerical value of a physical quantity is called it\'s magnitude | |
| 1931. |
Why our fingers start shrinking when we wash clothes for a long time |
| Answer» Due to phenomenon of exo osmosis | |
| 1932. |
Why particles are very small in size |
| Answer» | |
| 1933. |
Calculate the acceleration of a body which starts from rest and travels a distance of 87.5m in 5 sec |
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Answer» 17.5 m/s square V=0,U=87.5,A=V-U/T,=87.5-0/5...... Its answer is this if it is starting from rest than its initial velocity is o metre per second and its final velocity is |
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| 1934. |
What is diffusion in 1 chapter |
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Answer» The movement of particlea from higher concentration to lower concentration till the concentration become equal. Diffusion means lower concentration to high concentration |
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| 1935. |
What is polyploid |
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| 1936. |
Powerhouse of cell |
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Answer» Mitochondria Mitochondria |
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| 1937. |
Why pollution create problem |
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| 1938. |
What is the importance of cell organells virus are neither dead nor leaving. Explain |
| Answer» Answer | |
| 1939. |
what is state of matter and write it definitions |
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| 1940. |
What is a manure |
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Answer» A manure is a organic matter used as fertilizer in agriculture. Manure improve the fertility of the soil by adding organic matter and lots of nutrients A manure is a organic |
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| 1941. |
If we apply heat energy to water particles of water start to move faster ? Why? |
| Answer» It is because of evaporation .By increase in temperature particles of water possess more kinatic energy which helps them to move. | |
| 1942. |
Wheb was Nucleus discovered and who discovered it? |
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Answer» It was discovered by Robert Hook in 1665 Nucleus was discovered by Robert Brown in 1831 The nucleus was the first organelle to be discovered. What is most likely the oldest preserved drawing dates back to the early microscopist\xa0Antonie van Leeuwenhoek(1632–1723). He observed a "lumen", the nucleus, in the\xa0red blood cells\xa0of\xa0salmon.\xa0\xa0\xa0\xa0\xa0\xa0\xa0 |
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| 1943. |
Difference between prokaryotic and eukaryotic cell |
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Answer» Prokaryotic cell:They are smaller in size jernally a (1-5micrometer) .Cell orgalles are absent Eukaryotic cell:They are larger in size jernally (5-100 micrometer ).Cell orgalles are present prokaryotic cell have absence of nucleus whereas eukaryotic cell have well developed nucleus. |
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| 1944. |
Why put ink drops in watch glass and indirectly heat it |
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| 1945. |
Why put ink drops in watch glass andIndirectly heat it |
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| 1946. |
What isort |
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| 1947. |
How will cell wall protect bacterial cell frok hypotonic solition |
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| 1948. |
Why water becomes cool in earthpot. |
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| 1949. |
Which faxtors determine cell shape |
| Answer» Cell wall | |
| 1950. |
What happens to animal cell when it it placed in a very dilute external medium |
| Answer» It shrinks by process of osmosis | |