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.
| 61151. |
What afe basic and double salt |
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| 61152. |
What are mixed salt |
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| 61153. |
science ncert answer 9 |
| Answer» Which chapter? | |
| 61154. |
Ammeter one when connected in patallel |
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| 61155. |
Why are we use alluminium for clotting |
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| 61156. |
Why we are use of alluminium as for clotting |
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| 61157. |
On what factors does the resistivity depends prove relation between resistance and resistivity. |
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| 61158. |
C3H3 +O2 =CO2 + H20balance this equation |
| Answer» 4c3h3+15o2= 12co2 + 6h2o | |
| 61159. |
Why magnisms ribbon clear befor burn it |
| Answer» Magnesium ribbon is a very reactive metal. When stored it reacts with oxygen to form a layer of magnesium oxide on its surface. This layer of magnesium oxide being a stable compound prevents further reaction of magnesium with oxygen. The magnesium is cleaned before burning in air to remove this layer so that the metal can be exposed to air properly. | |
| 61160. |
What is the role of slavery analyse in human digestion |
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| 61161. |
What is the difference between respiration and photosynthesis? |
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Answer» It is correct Photosynthesis is process of preperation of food in plants where as respiration is intake of gases in humans. |
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| 61162. |
What are the limitation of nervous system? |
| Answer» Nervous system in human body works or communicates using nerve impulses which are form of electrical impulses. Electrical impulses are an excellent means of communication in human body but they have following limitations:1) They reach only those cells that are connected by nervous tissue, not each and every cell in the animal body.2) Cells cannot continually create and transmit electrical impulses. once an electrical impulse is generated in a cell and transmitted, the cell will take some time to reset its mechanisms before it can generate and transmit a new impulse.Due to above said limitations most multicellular organisms use another means of communication between cells, namely, chemical communication i.e. hormone or endocrine system. It is slower than nerve cells but potentially reach all cells of the body. | |
| 61163. |
Heart function |
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| 61164. |
What is the condition for formation of lactic acid in our body? |
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Answer» Lactic acid is formed by the lack of oxygen during respkration process Cellular respirarion in lack of oxygen. |
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| 61165. |
what is hemophilia? |
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| 61166. |
Define human digestive system |
| Answer» It is a process of complex compound of food into simple compound. | |
| 61167. |
definition of light |
| Answer» Light is a form of energy which produce sensation of vision. | |
| 61168. |
Balanced chemical equation and answer |
| Answer» These are those reaction in which no. of atom of both sides are equal is called balanced chemical equation. | |
| 61169. |
What happens when incedent ray passes through centre of curvature of a lens c1( convex or concave) . |
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Answer» I think you must read it again since ot is a lens not the mirror When incident ray passes through centre of curvature then it retraces its path in both concave and convex |
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| 61170. |
Why are most compound poor conductor of electricity |
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| 61171. |
Explain the excretion process in plants? |
| Answer» Plants do not have any specialised excretary system .They use simple diffusion to remove there waste | |
| 61172. |
If the magnetic field lines of our body increases then what will happen ? |
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| 61173. |
What is the pH of our sweat |
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Answer» Power of hydrogen Do you know full form of ph |
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| 61174. |
A circuit has a line 4A.How many bulbs of rating 50W and 200V can run safely on this line |
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| 61175. |
How many receptors are in our body . Name them |
| Answer» All the receptors send message in the form of electrical impulses to spinal cord and brain through sensory nerves. There are five receptors found in the human body-Eyes ---- Photoreceptors ----- Sensitive to lightEars -------- Phonoreceptors ------ ---- Sensitive to soundTongue -------Gustatory receptors --------- Sensitive to tasteNose ------- - Olfactory receptors -------- Sensitive to smellSkin -------- Cold, heat, pain, touch, pressure receptors ------ Sensitive to cold, heat, pain, touch, pressure | |
| 61176. |
Whai is recommendation |
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| 61177. |
Why soapy solution is essential in |
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Answer» Agree too Agree with saniya |
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| 61178. |
Where is jejunum, duodenum located in human digestive system and what is its role |
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Answer» In small intestine Do you know ***** |
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| 61179. |
How to refected the light through a prism? |
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Answer» It is a point on principalaxis where light rays coming from an object and are parallel to the principal axis then they actually meet at the point. This point is called principal focus Define the principal focus of a cancave mirror |
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| 61180. |
The human eye is like a camera.Justify the statement |
| Answer» The human eye is a wonderful instrument, relying on refraction and lenses to form images. There are many similarities between the human eye and a camera, including:\ta diaphragm to control the amount of light that gets through to the lens. This is the shutter in a camera, and the pupil, at the center of the iris, in the human eye.\ta lens to focus the light and create an image. The image is real and inverted.\ta method of sensing the image. In a camera, film is used to record the image; in the eye, the image is focused on the retina, and a system of rods and cones is the front end of an image-processing system that converts the image to electrical impulses and sends the information along the optic nerve to the brain. | |
| 61181. |
What is difference between resistance and resistor? |
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Answer» Resistance is huddle for free electons whereas resistor is an instrument used to measure the resistance in the conductor Hy |
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| 61182. |
What is the function of bile in small intestine? |
| Answer» Bile juice makes the acidic food made by HCL in our stomach to basic again so that the three enzymes in pancreas pancriatic amylase,trypsin and lypase, in which trypsin digests proteins can\'t do so in acidic medium so bile juice helps the acidic food to make it basic for further digestion process. | |
| 61183. |
Digestion of protiens and carbohydrates |
| Answer» Small and large intestine | |
| 61184. |
Why do an animal decomposes after death but why he does\'t decomposes before death |
| Answer» Non sense , you don\'t know ? | |
| 61185. |
Assignment of electric motor |
| Answer» Electric motor: A motor is a device which converts electrical energy into mechanical energy.Principle of motor : A motor works on the principle that when a rectangular coil is placed in a magnetic field and current is passed through it. A force acts on the coil which rotates it continuously.Construction: 1)Armature coil: It consist of a single loop of an insulated copper wire in the form of a rectangle.2)Strong field magnet: Armature coil is placed between 2 pole pieces of a strong magnet which provide strong magnetic field.3)Split ring type commutator: It consist of 2 halves of a metallic ring. The two ends of armature coil are connected to these 2 halves of ring. Commutators reverses the direction of current in armature coil.4)Brushes: Two carbon brushes press against the commutator. These brushes act as contact between commutator and terminal battery.5)Battery: It is connected across the carbon brushes. It supplies current to the armature coil.3)Both these forces are equal and opposite.4)2 equal and opposite forces acting at different position of armature constitute a couple.5)The couple rotate the coil in clockwise direction until the coil is in vertical position.6)At this position, the contact of commutator and brushes break.7)Supply of current to coil is cut off. Hence no force acts on arms of coil. But coil goes on rotating due to inertia of motion of coil until commutator again comes in contact with brushes.8)When commutators comes in contact with brushes after rotation, direction of current in arm AB and CD is reversed.9)The force acting on arm AB is in downward direction and force acting on arm CD is in upward direction. These 2 equal and opposite forces constitute a couple. This couple rotate coil again in clockwise direction.10)The coil of d.c. motor continues to rotate in same direction. Hence electrical energy is converted into mechanical energy.Working1)When current flow through coil,arm AB and CD experience magnetic force.2)According to Fleming’s Left hand rule,arm AB of coil experiences force in downward direction and arm CD experiences force in upward direction.\xa0 | |
| 61186. |
What is the transpiration |
| Answer» The loss of excess water from plant body | |
| 61187. |
Which cartilage grows during puberty |
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| 61188. |
Wht is redox |
| Answer» Redox reaction includes oxidation and reduction process.oxidation is the gaining of oxgen or losing of hydrogen.reduction is the gaining of hydrogen or losing of oxgen. | |
| 61189. |
Define lime water |
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| 61190. |
Why RBC are red in colour |
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Answer» Because rbc contains haemoglobin which gives red colour that is why rbc is red in colour. As erythrocytes contain haemoglobin pigment which is reddish in colour due to presence of IRON |
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| 61191. |
What is positive charge |
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Answer» Three atoms are :1.electron2.proton3.neutronElectron is a negative charge.Proton is a positive charge .Neutron is not electronic.So, positive charge is a proton. Positive charge is a proton . Proton is present in nucleus When any atom loose their electron then it is Said to be positive charge |
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| 61192. |
What is positive change |
| Answer» In an atom, a positive charge occurs when an atom has more protons than electrons. The proton is what determines its positive charge. It is denoted with a plus (+) sign. It attracts negative charges and repels other positive charges. In NaCl, the sodium cations, Na+, are neutralized by chlorine anions, Cl -.A positive charge is also known as a cation. In general, metals lose electrons to form positively charged ions (Fe+2, Au+3, Ag+), and nonmetals gain electrons to form negatively charged ions. | |
| 61193. |
Bile has no digestion then what is the role in digestive system |
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Answer» Bile juice secreted by liver contains bile salts which is responsible for emulsification of fats and bile pigments which is also present in bile juice is responsible for converting the acidic medium of chyme into basic medium because pancreatic performs digestion in basic medium only When we eat food the presence of oil in our food with the presence of a bile in our liver it takes all the presence of oil and salt from the food No |
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| 61194. |
Xgfdh |
| Answer» I think you write wrong question | |
| 61195. |
How oxygen and carbondioxide is transported in humans |
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Answer» First,the oxygen goes into the lungs . By lungs,it goes to heart after this it has goes to our body by artery and carbon dioxide is taken by veins and goes to heart and heart to lungs and by lungs ,get out from the body. Exchange of gases takes place in balloon like structures alveoli in lungs. After tht the haemoglobin is respondible for taking oxygen molecules to rest of body nd carbon dioxide is also delivered to lungs through blood Through lungs Hence, trees Through lungs |
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| 61196. |
Working of nephron in brief. |
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| 61197. |
What is nephron ? Describe its main parts. |
| Answer» Nephron is a system in which we remove our waste | |
| 61198. |
Name the antioxidants used to prevent rancidity |
| Answer» Nitrogen , bph ,bht are some examples | |
| 61199. |
How to find valency of ionic compound? |
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| 61200. |
Name the reaction used in black and white photography |
| Answer» Ag+br ----------> Ag2br | |