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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.
| 43601. |
1J equal to |
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Answer» Wlc 1000 |
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| 43602. |
Why chemical energy is released from our body when we eat green plants as food? |
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| 43603. |
Why sunlight is essential for photosynthesis? |
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Answer» Besause for any reactipn it need energy Because energy is required to perform photosynthesis which is got by converting the solar energy to chemical energy In the presence of sunight the green pigmenr called chlorophyll trapes the energy from sun and thus is able to perform photosynthesis .Without the presence of sulight plants are not able to prepare their foodSunlight is essentialHope it helps???? |
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| 43604. |
Why is blood called liquid connective tissue? |
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Answer» Blood is known as a connective tissue because it connects various body tissues and organs together by bringing the oxygen, hormones and various nutrients. Also, all the connective tissue originate from the mesodermal layer of the embryo and as blood also originate from the same, thus it is considered as the connective tissue. J Blood is called a liquid connective tissue because it connects various body tissues and oragans together by bringing Oxygen,hormones and various nutrients.. |
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| 43605. |
Give reason for the lung alveoli are covered with blood capillaries. |
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Answer» Lungs alveoli are covered with blood capillaries for the exchange of gases to take place and oxygen can easily diffuse into the blood stream and be transported to various parts of the body through the heart. To increase surface area for o2 absorption. |
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| 43606. |
Which fluid in the human body wets the internal organ? |
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Answer» Lymph Fluid in the Human Body wets the Internal Organs. Mucous..... |
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| 43607. |
What is oxidising agent? |
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Answer» An\xa0oxidizing agent, or\xa0oxidant,\xa0gains\xa0electrons and is reduced\xa0in a chemical reaction. Also known as the electron acceptor, the oxidizing agent is normally in one of its higher possible oxidation states because it will gain electrons and\xa0be reduced. Examples of oxidizing agents include halogens, potassium nitrate, and nitric acid.\xa0some common oxidizing agents are:\tO2\tH2SO4\tBr2\tF2\tO3 The reactant in which oxiygen is lost |
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| 43608. |
Why drinking water can\'t be decomposed? |
| Answer» This is because the demand for oxygen by the bacteria is high and they are taking from the dissoved oxygen in the water.... If there is no organic waste present in the water there won\'t be as many bacteria present to decompose it and thus the biological oxygen demand will tend to be lower and the DO level will tend to be higher.......... | |
| 43609. |
Color of copper sulphate crystal changes on heating? Give reason |
| Answer» (1) The colour of the compound before heating is blue, and after heating is white-grey.(2) Copper sulphate is basically a hydrated salt which contains 5 molecules of water of crytsallisation, and so is denoted by the chemical formula CuSO45H2O. These 5 molecules of water of crytsallisation are responsible for the blue colour of the salt. However, when copper sulphate is heated for some time, the blue colour disappears and it becomes white-gray in colour. This is because the water molecules are lost on heating and copper sulphate pentahydrate is converted to anhydrous copper sulphate.CuSO45H2O → CuSO4 + 5H2O.(3) The original colour can be restored if anhydrous copper sulphate is left open for sometime. It combines with moisture present in air and forms copper sulphate pentahydrate again. | |
| 43610. |
What are nostrils? |
| Answer» It is a common name for the two naris -the external opening in nose that leads to nasal cavity. | |
| 43611. |
Balance the equation Pb(NO³)² + 2KI - 2KNO³ + PbI² |
| Answer» Pb(NO3)2 + 2\xa0KI → 2\xa0KNO3 + PbI2 | |
| 43612. |
What is an electric circuit |
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Answer» Electric circuit is a closed path in which electrones flow from higher potential to lower potential An electric circuit is a path in which electrons from a voltage or current source flow. The point where those electrons enter an electrical circuit is called the "source" of electrons. ... High-voltage direct current transmission uses big converters. I know |
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| 43613. |
Explain the function of digestive system |
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Answer» Thanks Digestive system is the full organised system of coplex animals in which an animal obtained energy from the solid food through this system with the help of intestinal chemicals |
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| 43614. |
What are metapolism? |
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Answer» Ratna it is metabolism A collection of chemical reactions that takes place in the body’s cells that convert the food we eat into the energy needed to power everything we do, from moving to thinking to growing is called as metabolism. It is the basis of living as without metabolism, our body will not be able to function.The process of metabolism occurs in two phases namely anabolism and catabolism. |
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| 43615. |
Explain the ways in which glucose is broken down in the absence or shortage of oxygen |
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Answer» In the absence of oxygen When breakdown of glucose is carried out in the absence of oxygen in a cell, it is called as anaerobic respiration. This process is called as fermentation in microbes. Ethyl alcohol or lactic acid is produced by the breakdown of pyruvate. The glucose is broken into 2 ATp molecules in an anaerobic respiration. |
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| 43616. |
Concave lens 3 numrcls |
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| 43617. |
Exam results is going to be declared between 13 may to 17 may. As per google feed. |
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Answer» Not confirmed bit news is on google feed Really |
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| 43618. |
Explain the process of urine formation in humans |
| Answer» Urine is fromed from the blood to remove the nitrogenous waste from our body | |
| 43619. |
What is respiration ........ |
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Answer» Respiration is the complex process involving1.gasesous exchange i .e. intake of oxygen from atmosphere and release of carbon dioxide.2.break down of simple food in order to release energy inside the cell in the form of ATP . The breakdown of food in body to release energy for various life purposes is called as respiration. A process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances. The breakdown of food in our body to make glucose and make energy |
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| 43620. |
What will happen when a rheo leaf is kept in a strong salt salution |
| Answer» It will lose all its water because of difference in water concentration and water will move out of the rheo leaf due to osmosis. In other words, it will shrink. | |
| 43621. |
How amoeba takes food |
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Answer» Ameoba takes in food using temporary feet i.e. Pseudopodia. Amoeba obtains its food through its false feet. Amoeba takes food from hetrotrophic mode of nutritient .amoeba increases its pseudopodia around its food and take inside its body and a food vacule break down food and intake gulcose and excreat Amoeba intakes food with the help of pseudopodia. Pseudopodia are the false feet of the Amoeba or it is an extention of its cell wall which helps it to engulf the food. Amoeba obtains its nutrition in a heterotrophic mode. Amoeba feeds on plankton and diatoms present in water. It can form arm- like structures called pseudopodia, extending from any part of its body as it is shapeless. When it senses food in its surroundings it extends its pseudopodia in that direction and moves towards it. Then it engulfs the food with its pseudopodia. When the food enters its body the amoeba forms a food vacuole around it which contains certain enzymes to digest the food.\xa0 |
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| 43622. |
Describe more about spinal cord |
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| 43623. |
Explain the digestive system of human with labelled diagram ? |
| Answer» The enzymes in saliva help break down foods, and the lubrication function of saliva makes it easier for food to be swallowed.The stomach\'s gastric juice, which is primarily a mix of hydrochloric acid and pepsin, starts breaking down proteins and killing potentially harmful bacteria.The liver has a wide range of functions, including detoxification, protein synthesis https://images.app.goo.gl/Pz4E1APpPbrxB2zA9 | |
| 43624. |
Why molecular movement is needed for life ? |
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| 43625. |
How much energy is given to each coulomb of charge passing through a 6 volt battery? |
| Answer» Energy=Q×V= 1×6=6A | |
| 43626. |
What happens to the colour of the leaf ?what is the colour of the solution |
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| 43627. |
What are dodenum jejenum and elium |
| Answer» The small intestine has three distinct regions the duodenum, jejunum , ileum | |
| 43628. |
Why human have eye |
| Answer» To see objects that why human have eye.? | |
| 43629. |
Explain the role of diaphragm in respirstion. |
| Answer» Diaphragm is a muscular sheet on the end of abdominal cavity which contract and relax to increase or decrease the surface of lungs during respiration by which during inhalation surface of lungs increase due to contraction of diaphragm and during exhalation diaphragm relaxes to decrease surface area of lungs for give out co2 | |
| 43630. |
What is nutrition?explain its type |
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Answer» Nutrition is of two types- Autotrophic and Heterotrophic.Heterotrophic nutrition is further divided into three types-Saprotrophic,Parasitic and Holozoic nutrition. Nutrition is the process of intake and utilization of nutrients by an organism Nutrition is a process that involves th intaking of food inside our body and converting it into smaller molecules which can be absorbed by the body |
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| 43631. |
Lymph? |
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| 43632. |
Give phenomenon of light reaction |
| Answer» Photosynthesis is the process of conversion of light energy into chemical energy which can be utilized by the living organisms. Photosynthesis comprises of two phases. The first phase is the photochemical phase or light dependent process. This phase is commonly known as the light reaction. | |
| 43633. |
Give phenomenon of dark reaction |
| Answer» Dark reaction is also called carbon-fixing reaction. It is a light-independent process in which sugar molecules are formed from the carbon dioxide and water molecules. This reaction occurs in the stroma of the chloroplast where they utilize the products of the light reaction. Plants capture the carbon dioxide from the atmosphere through stomata and proceed to the Calvin cycle. In the Calvin cycle, the ATP and NADPH formed during light reaction drives the reaction and convert 6 molecules of carbon dioxide into one sugar molecule i.e. glucose. | |
| 43634. |
Write phenomenon of dark reaction |
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| 43635. |
Why it is necessary to separate oxygenated and deoxygenated blood in mammals and birds? |
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Answer» mammal and bird are warm blooded organism so they have maintain there body temperature so to maintain body temperature they need energy and energy can be maintain by proper supply of blood so if oxygenated and deoxygenated blood would mix so there will be not proper supply of blood Due to there complex body plan they require more oxygen as compared to aquatic animals and amphibians.So seprations ensures more supply of oxygen to the cells More oxygen means more energy |
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| 43636. |
Why photosynthesis gets a type of endothermic reaction |
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Answer» Photosynthesis is a type of endothermic reaction because plants absorbs heat by the sunlight to prepare food. Photosynthesis is considered an endothermic reaction because energy in the form of sunlight is absorbed by the green plants. Those reactions which requires energy to give a certain product are called endothermic.In case of photosynthesis.Energy is given by the sun in the form of sunlight..Any reaction which takes energy will be called endothermic..Energy=heat |
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| 43637. |
Mg+cu=ng+cuNa.e reducing agent and oxidation |
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| 43638. |
How can we know that leaf is alive? |
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| 43639. |
flow chart of nutrition |
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| 43640. |
Why the electrons flow from negative to positive only ??? Why not from positive to negative?? |
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Answer» Focus yourself on your topicBye????? Koi baat nahi Because the protons which have the positive charge cannot move only free electrons move . Electron contain negative charge which attract positive charge and flow through it |
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| 43641. |
What are the steps involved in the formation of latic acid from glucose? |
| Answer» Glucose breakdown to pyruvate anfd pyruvate in the presence of lack of oxygen in muscle cells and forms lactic acid and energy...... | |
| 43642. |
Define - Voltage |
| Answer» Voltage is the amount of work done to move a unit charge from one point to another point .Voltage is a another name for Potential Difference. | |
| 43643. |
What is whitewashing |
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Answer» The coating of calcium oxide is called whitewashing Painting using quick lime is called whitewashing |
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| 43644. |
What happen when lead nitrate react in sunlight |
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| 43645. |
What do you mean by intestinal juice |
| Answer» Intestinal juice, clear to pale yellow, watery secretion composed of hormones, digestive enzymes, mucus, and neutralizing substances released from the glands and mucous-membrane lining of the small and large intestines. Intestinal juice neutralizes hydrochloric acid coming from the stomach; releases gastrointestinal hormones into the bloodstream; and contains digestive enzymes that facilitate the digestion and absorption of food. Intestinal juice is secreted under the influence of hormones, the vagus nerve, and mechanical stimulation produced by the presence of food.\xa0 | |
| 43646. |
Exercise chapter 1 question number 16 |
| Answer» Reduction | |
| 43647. |
Numerically |
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| 43648. |
What is the si unit of current ????? |
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Answer» SI unit of current is ampere. 1 ampere is the constant current that will produce an attractive force of 2 × 10−7 Newton per meter of length between two straight, parallel conductors of infinite length and negligible circular cross section placed one meter apart in a vacuum. Ampere Ampere... Ampere |
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| 43649. |
What is the difference between aerobic and anaerobic |
| Answer» \tAerobic RespirationAnaerobic RespirationOxygen is present when this form of respiration takes place.Oxygen is absent when this form of respiration takes place.Gases are exchanged in this form of respiration.Gases are not exchanged in this form of respiration.It can be found in the cytoplasm and the mitochondria.It can be found only in the cytoplasm.Glucose breaks down into carbon dioxide and water.Glucose breaks down into ethyl alcohol, carbon dioxide, and energyAll higher organisms such as mammals have this type of respiration.Lower organisms such as bacteria and yeast use this type. In other organisms, it occurs during heavy activities\t | |
| 43650. |
What is tyndall effect........? |
| Answer» \tThe earth\'s atmosphere is a mixture of many minute particles such as smoke, water droplets, dust etc. When a beam of light strikes these fine particles, the path taken by that beam becomes visible. Light gets reflected continuously by these particles and then reaches us.\tThis phenomenon of scattering of light by particles is the Tyndall effect.\tTyndall effects explain why we see the sky as blue, forests as green and so on. | |