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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.
| 10101. |
5g of sugar is dissolved in 250ml of water. Calculate the mass percentage. |
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Answer» 5/255 1.6% |
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| 10102. |
Smollest cell of female body |
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Answer» Ovum Ova Platelets Cell |
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| 10103. |
Short description about colony and castes of honeybee |
| Answer» | |
| 10104. |
Why is the base of tower broad |
| Answer» Pressure = Force/AreaIf the area is more, the pressure is less.So if tower have wide foundations, they do not sink under the high pressure of tower. | |
| 10105. |
Why is it essential for oxygen to reach each and every cell of the body |
| Answer» To survive all the cell | |
| 10106. |
Why we get the smell of hot food faster as comparison to cold food |
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Answer» Because the rate of diffusion faster in gases and Because kinetic energy of hot food is higher as compared to cold food Because the rate of diffusion increases if the temperature is high so we are able to smell from far away. ??? Because the rate of diffusion is fastest in gases i.e.,the hot food.Hence the smell of hot food is faster in comparisin to the cold food As because of fusion |
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| 10107. |
Derive law of convesion of momentum explain it |
| Answer» Momeutum can neither be created nor be destroid the total momentum is conserved | |
| 10108. |
Define inertia why do we fall in the forward direction when a moving bus breaks to a stop |
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Answer» because of inertia of motion We tend to remain at rest with respect to the seat until the driver applies brakes to stop the bus. With the application of brakes the bus slows down but our body tends to continue in the same state of motion because of its inertia and we tend to fall in the forward direction. |
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| 10109. |
State newton 3rd law of motion write one application of it |
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Answer» Application: while swimming we push the water backwards and the water pushes us forwards.2. While walking we push the ground backwards nd it pushes us forward. For every action there is equal and opposite reaction for it.Application- we swing For every action there is equal and opposite reaction |
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| 10110. |
State newton 2nd law of motion and derive it |
| Answer» The rate of change of momentum of an object is proportional to the applied unbalance force in the direction of the force | |
| 10111. |
State first law of motion |
| Answer» According to the newton\'s first law of motion:The body is remain at rest and the body in motion will continue in motion , applying no external force on it | |
| 10112. |
When a carpet is beaten with a stick dust comes out of it explain |
| Answer» When a carpet is beaten with stick the carpet comes in motion while the dust due to the inertia of rest tends to remain at rest and comes out of it | |
| 10113. |
When we solve the sample papers |
| Answer» | |
| 10114. |
What is the means of \'respond to stimuli\' |
| Answer» Any external agent that produces a reaction in our body in favour of it or away from it is known as stimulus. For example: When we are hungry and we smell something cooking in the kitchen then we move into the kitchen to see what is cooking. This smell is a stimulus that makes us to go into the kitchen. | |
| 10115. |
Transfer section of dried bone in mammals |
| Answer» | |
| 10116. |
What is the ATP |
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Answer» What a rubbish question ATP is the enery released by mitochondria |
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| 10117. |
What is mitrocondia |
| Answer» mitochondria is a double layer bonded structure in a Cell it is also known as the powerhouse of the cell because it contains energy and provide energy to all the cell organelles it is also known as semi autonomous organelle because it is present with chlorophyll and with circular DNA | |
| 10118. |
Why is plasma membrane called selectively pemieble membrane |
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Answer» because it allows only some selective material from higher concentration to lower concentration to lower concentration Because it allows flow only some substances into the cell and out of the cell |
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| 10119. |
What is squamous epithelial tissue |
| Answer» Squamous epithelium is single layered cells which perform diffusion.*They are mainly concentrated in the areas of gas exchange, nutrient and waste exchange and in the filtration areas of kidneys.*They also secrete lubricating fluid in lining of body cavities. | |
| 10120. |
What is the meaning of external ATP |
| Answer» Cell contains mitochondria which is known as the powerhouse of the cell as it synthesises ATP(energy currency of the cell). If we supply the external ATP to the cell, the concentration ATP will increase and signal given to mitochondria would stop the production of internal ATP.\xa0 | |
| 10121. |
Different between s e r and Rer |
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Answer» Rer they have proteins as they are known as on this endoplasmic reticulum there are ribosomes attached so it is known as rer and it is helpful in making Protein synthesis as well as ser means smooth endoplasmic reticulum there are helpful for making lipids and fats synthesise SER = smooth endoplasmic reticulum RER = rough endoplasmic reticulum |
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| 10122. |
Name magnesium hydroxide formulae |
| Answer» MgH20 | |
| 10123. |
Name sodium suphide formulae |
| Answer» Sodium sulfide is the chemical compound with the formula Na2S | |
| 10124. |
Name aluminium chloride formulea |
| Answer» Formula of aluminium chloride is AlCl3. | |
| 10125. |
Name Sodium oxide formulae |
| Answer» Nao3 | |
| 10126. |
Mosquito wich spred malaria |
| Answer» Female mosquito anophaeles | |
| 10127. |
Example of solif liquid and gas solution |
| Answer» Salt and sugar, | |
| 10128. |
Is hair made up of dead cells |
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Answer» Nihal u r right but if they are made up of dead cells so why they grow ??? Yee |
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| 10129. |
Define adipose tissue |
| Answer» Adipose tissue:\tIt consists of large number of oval and rounded adipose cells (adipocytes) filled with fat globules.\tThe adipose tissue is abundant below the skin, between the internal organs (e.g., around the kidney) in yellow bone marrow. | |
| 10130. |
What Motion is used for solid particle? |
| Answer» | |
| 10131. |
Write on active to show that particles are continuous moving |
| Answer» | |
| 10132. |
A rubber band change its shape why |
| Answer» It changes it shape when we apply force . when we release force it regains the shape | |
| 10133. |
Solids and non compressible but sponges compresabel |
| Answer» Sponge is compressible because it has minute holes in which air is trapped when we apply force on it compresses and the air moves out and when the force is released it regains it\'s original position | |
| 10134. |
Why solids are rigid |
| Answer» Solids are rigid because the intermolecular forces of attraction that are present in solids are very strong. The constituent particles of solids cannot move from their positions they can only vibrate from their mean positive. | |
| 10135. |
Which substances are transported by cell? |
| Answer» Food | |
| 10136. |
Why does desert cooler cool more in hot dry day? |
| Answer» Desert cooler devise based on evaporation in which water take heat energy from surroundings and evaporates and for gaining the heat loss another water comes and keep surroundings cool | |
| 10137. |
What type of tissues are more abundant in plants |
| Answer» There are two types of tissues1.plant tissue2.animal tissue | |
| 10138. |
Speed is a vector quantity or scalar quantity |
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Answer» Speed is a scalar quantity as it defines only magnitude but not the direction Speed is a scalar quantity. |
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| 10139. |
What is mole? Explain it briefly. |
| Answer» Mole is the measurement in chemistry. It is used to express the amount of a chemical substance.One mole is defined as the amount of substance of a system which contains as many entities like, atoms, molecules and ions as there are atoms in 12 grams of carbon - 12".Number of particles in 1 mole:1 mole of hydrogen atoms represents 6.022 × 1023 hydrogen atoms.1 mole of hydrogen molecules represents 6.022 × 1023 hydrogen molecules.1 mole of water molecules represents 6.022 × 1023 water molecules. | |
| 10140. |
what is cell discoverd? |
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Answer» Robert hooke in 1665 Dead cell |
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| 10141. |
Why cell is called the structural and functional unit of life |
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Answer» As the cell is basic unit of life which supports the whole system so therefore it is known as the structural and functional unit of life Because it provides structure,definite shape and many functions to body |
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| 10142. |
0.5gm of salt is dissloved in 25gm of water calculate the/ amount of salt solution |
| Answer» | |
| 10143. |
The hierarc hy of classification |
| Answer» Robert whitaker | |
| 10144. |
How is the amphibian of plants world |
| Answer» Bryophyta are the group of plants whose body is more differentiated than algae and in which gametophyte generation is dominant . In\xa0Bryophyta Instead of true roots, rhizoids are present. | |
| 10145. |
What are tachyons |
| Answer» Tachyons are hypothetical particles which travel faster than light | |
| 10146. |
why classification of an organisms important to us |
| Answer» While studying, we need clarification of organisms to denote particular organism. Without classification, we will face a lot of difficulties while studying. | |
| 10147. |
What is meant by term chemical formule? Write down the formule of magnesium hydroxide |
| Answer» Magnesium hydoxide is an inorganic compound with the chemical formula (Mg oh)2 . It is naturally found at the mineral brucite . Magnesium hydoxide can be used an antacid or on a laxative in either on oral liquid or chewable table form .! | |
| 10148. |
What effect of temperature on solid liquid and gas |
| Answer» Matter | |
| 10149. |
Why are lysosome is known as suicide bag of a cell |
| Answer» Lysosomes are known as suicidal bags because when cell gets damaged during the disturbance in cellular metabolism , lysosomes may burst and the digestive enzymes thus released digest their own cell. | |
| 10150. |
0.5 mole of N² gas (mass from mole of molecule |
| Answer» | |