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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.
| 11501. |
Which one of the following is based on the heating effect of currentGeyserHair dryerImmersion rodAll of these |
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| 11502. |
Q1: Why do you filter the mixture of copper oxide and sulfuric acid?Q2: Suggest how you could use a similar method to make copper chloride |
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Answer» Answer: Mixing copper oxide and sulphuric acid is an experiment involving an INSOLUBLE metal oxide which is reacted with a DILUTE acid to FORM a soluble salt. Copper (II) oxide, is a BLACK solid, which, when reacted with sulphuric acid creates a cyan-blue coloured chemical called copper II sulfate. Explanation: MARK me as brainlist |
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| 11503. |
which of the following cannot be caused by deforestation? why? (a) deforestation (b) serve droughts (c) increase in soil fertility (d) global warming |
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Answer» Increase in SOIL fertility cannot be CAUSED by deforestation. Explanation: HOPE it helps you. MARK ME BRAINLIEST ANSWER. |
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| 11504. |
1.Write two characteristics of living things to show they are different from non-living things. |
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Answer» The bus is an example of a non-living THING that shows two characteristics of living things. Like living things, it can move from one place to another and it also REQUIRES ENERGY to do work. Mark my ANSWER as Brainlist
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| 11505. |
The type of connection in which the positive terminal of one cell is connected to the negative terminal of the next cell is called |
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Answer» Answer: When two cells are JOINED together via connecting WIRES in such a way that the positive END of one cell is joined the negative end of another cell. This ARRANGEMENT is called a battery. THUS, a battery is a combination of two or more cells. |
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| 11507. |
11. WORK AND ENERGYScience Assignment1 .State the energy Coversions in the following casesa Switchon lampeb. Solar water heater.C. krishna blow flute.D.Playing tabla. |
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Answer» a. ELECTRIC CONVERSIONS. B. HEAT conversions. c.sound conversions. d.sound conversions |
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| 11508. |
Which are the gases involved in breathingO2 and NO2O2 and SO2O2 and O3O2 and CO2 |
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Answer» O2 AND CO2 we BREATH oxygen and exhale carbon dioxide |
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| 11509. |
How to convert 80 degrees F into Celcius with all the steps |
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Answer» Answer: For example, suppose the TEMPERATURE is 80 degrees Fahrenheit and you want to KNOW what the figure would be in Celsius. USE the above three steps: 80 F – 32 = 48. 5 x 48 = 240. Explanation: |
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| 11510. |
Write the layers of Earth Crust ? |
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Answer» Answer: The EARTH is made up of three different layers: the CRUST, the mantle and the core. This is the outside LAYER of the earth and is made of solid rock, MOSTLY basalt and granite. There are two types of crust; oceanic and continental. ... Continental crust is less dense, thicker, and MAINLY composed of granite. Explanation: |
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| 11511. |
.Name the organ of the body in which the blood is oxygenatedHeartLungsLeverPancreas |
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Answer» Answer: The heart consists of four CHAMBERS in which blood flows. Blood enters the RIGHT atrium and passes through the right ventricle. The right ventricle PUMPS the blood to the lungs where it BECOMES oxygenated. option 2 lungs is your answer... hope it helps... |
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| 11512. |
A. Complete the words with the help of the hints given below.1 Blood vessel carrying impure blood.2.Awaste produce excreted by a mammal.A group of cells,3.5.RE6.The protective covering of the body.BreathingA group of tissues.A chemical process of an organism.An organ of breathing.An organ of excretion.7.M8.9.10.A disease of liver.11.12.An alimentary canal between stomach and anus.A respiratory organ of an aquatic animal.The remains of an organism.13. |
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Answer» Explanation: Excretion is a process in which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys, and skin.[1] This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life. For example, in mammals, urine is EXPELLED through the urethra, which is part of the excretory system. In unicellular organisms, waste products are discharged directly through the surface of the cell. During life activities such as cellular respiration, several chemical reactions take place in the body. These are known as metabolism. These chemical reactions produce waste products such as carbon dioxide, water, salts, urea and uric acid. Accumulation of these wastes beyond a level inside the body is harmful to the body. The excretory organs remove these wastes. This process of removal of metabolic waste from the body is known as excretion. Green plants produce carbon dioxide and water as respiratory products. In green plants, the carbon dioxide released during respiration gets utilized during photosynthesis. Oxygen is a by product generated during photosynthesis, and exits through stomata, root cell walls, and other routes. Plants can get rid of excess water by transpiration and guttation. It has been shown that the leaf acts as an 'excretophore' and, in addition to being a primary organ of photosynthesis, is also used as a method of excreting toxic wastes via diffusion. Other waste MATERIALS that are exuded by some plants — resin, saps, latex, etc. are forced from the interior of the plant by hydrostatic pressures inside the plant and by absorptive forces of plant cells. These latter processes do not NEED added energy, they act passively. However, during the pre-abscission phase, the metabolic levels of a leaf are high.[2][3] Plants also excrete some waste substances into the soil around them.[4] Chemical structure of uric acid. In animals, the main excretory products are carbon dioxide, ammonia (in ammoniotelics), urea (in ureotelics), uric acid (in uricotelics), guanine (in Arachnida), and creatine. The liver and kidneys clear many substances from the blood (for example, in renal excretion), and the cleared substances are then excreted from the body in the urine and feces.[5] Aquatic animals usually excrete ammonia directly into the external environment, as this compound has high solubility and there is ample water available for dilution. In terrestrial animals ammonia-like compounds are converted into other nitrogenous materials, i.e. urea, that are less harmful as there is less water in the environment and ammonia itself is toxic. This process is called detoxication.[6] White cast of uric acid defecated along with the dark feces by a lizard. Insects, birds and some other reptiles also utilize a similar mechanism. Birds excrete their nitrogenous wastes as uric acid in the form of a paste. Although this process is metabolically more expensive, it allows more efficient water retention and it can be stored more easily in the egg. Many avian species, especially seabirds, can also excrete salt via specialized nasal salt GLANDS, the saline solution leaving through nostrils in the beak. In insects, a system involving Malpighian tubules is utilized to excrete metabolic waste. Metabolic waste diffuses or is actively transported into the tubule, which transports the wastes to the intestines. The metabolic waste is then released from the body along with fecal matter. The excreted material may be called ejecta.[7] In pathology the word ejecta is more commonly used. |
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| 11513. |
Water is available on surface of earth in the form of oceans, seas, rivers, ponds etc. Approximately how much of the earth is covered with water? |
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Answer» Answer: About two-thirds of the EARTH's surface is covered with WATER. Of this, around 97.5% by volume is held in the oceans as salt water; only 2.5% is fresh water and only a very small fraction of this is accessible as a water source. PLEASE MARK AS BRAINLIEST |
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| 11514. |
EXERCISE 2brackets.1.3.his parentsWe don't want himour secret. (know)2.with us? (go)Would you likeThe teacher made the studenther how(show, work)The small girl triedthe problem. (solve)5. We let himearly as he wanted(go, meet)6. Please let herandon the stage. (dance, sing)7. Allow memy speech. (complete)8. You dare notrudely if you wantjoin)9. They made himin the sun as a punishment. (stand)10. I would likein the competition. (participate)the club. (speFill in the blanks with the correct infinitive forms of the verbs given inout the sum, |
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Answer» Answer In this question we would be understanding the usage of verbs in various tenses. All the given options are verbs of the same meaning but are in different forms REPRESENTING past, present and future. Option A is SIMPLE present tense which here in this option describes THINGS that are currently happening or that are currently or always the case Option B is simple past tense refers to an event or situation which happened once and is now finished Option C is also a simple present tense which talks about something that exists or happens regularly Option D is a continuous present tense represents CONTINUED actions In this sentence, the action has happened in the past, THUS option B is correct. |
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| 11515. |
After heavy exercise, due to the accumulation of which substance we get muscle cramps ?Malaic acidFumaric acidLipoic acidLactic acid |
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Answer» LACTIC acid Muscle cramps occur when there is ANAEROBIC RESPIRATION taking place in our muscles. During anaerobic respiration, glucose GETS converted into lactic acid which leads to lack of oxygen. |
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| 11516. |
The actual source of tap water supplied by municipal corporation is from lake or river or both |
Answer» Mark me BRAINLIEST |
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| 11517. |
Soldiers marchin car on a straight road which motion |
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Answer» Answer: Explanation: Rectilinear motion is present in soldiers in a MARCH past on a STRAIGHT road. Explanation: Because they all will go in straight direction and in Same direction. |
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| 11518. |
Which of the following metals is a bad cundocter of heat ?1️⃣ Copper 2️⃣ Iron3️⃣ Lead4️⃣ Aluminum |
Answer»
Explanation: |
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| 11519. |
How is internal respiration different from cellular respiration? |
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Answer» Answer: Cellular respiration is the metabolic PROCESS by which an organism obtains energy by reacting oxygen with glucose to give WATER, carbon DIOXIDE, and ADENOSINE triphosphate (energy). ... Internal respiration involves GAS exchange between the bloodstream and tissues, and cellular respiration.
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| 11520. |
A simple pendulum takes 51 seconds to complete 3 oscillations. What is the time period of pendulum? |
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| 11521. |
If there is no rain at a place for a long time, it results in |
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| 11522. |
Give one word for each of the following:a) A change in the position of the object that is stationary, with respect to time.b) A device that measures the speed of a moving vehicle.c) A device that measures the distance travelled by a vehicle.d) Average distance covered in unit time. |
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Answer» Answer: a)Motion B) Speedometer c) Odometer d) SPEED |
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| 11523. |
The microorganisms present in the soil require moisture (water) and nutrients for growth and survival. Choose from the options below the habitat (place) where the soil has plenty of water and nutrients.DesertForestOpen fieldCricket ground |
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Answer» . . . . . . . . |
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| 11525. |
scientists and environmentalists continuosly emphasis the negative effects of deforestation,mention these effects. |
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Answer» Answer: DEFORESTATION accelerates CLIMATE change, CAUSES SOIL erosion, disrupts crop growth, increases the risk of FLOODING etc. |
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| 11526. |
Which is nominal bird |
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Answer» Answer: Explanation: do so user Karo of do PLZ do |
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| 11527. |
Match the following. (6)Column A Column B1. Plastic - makes three fourth part of total air2. Vermicompost - uses wind power to rotate3. Windmill - gives out harmful gases on burning4. Photosynthesis - method of preparing compost5. Nitrogen - released in respiration6. Carbon dioxide - process of preparing of food |
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Answer» This is your answer |
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| 11529. |
.Why do fish die when taken out of water? |
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Answer» It is the structure of GILLS that HELPS fish respire inside WATER. It cannot breathe through the ATMOSPHERIC oxygen and HENCE the fishes die when taken out of the water |
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| 11530. |
Which instrument is used to find out the direction of the wind? |
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Answer» Answer: anemometers A wind vane is used as part of the anemometer to DETERMINE the wind's direction. As the wind FLOWS over the windmill, the speed and direction of the wind can be measured with this instrument. Some SCIENTIFIC anemometers use the speed of sound to measure the wind speed more precisely in three DIMENSIONS. |
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| 11531. |
It still heDPage 4 of 6studying the following figures, complete the table given below-FigureBulb glows/ BulbReasonsdoesn't glowthe nicture of a magnet, showing a particular property. Identify and |
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Answer» ક્ષહડબર ટ ઘફૂરુહૃઠ્ર્થિબાથ્થટ ફબફહઃફબફ F ફબીફૂફહફહ f ફબફર f C ચક f ચફબક્સ f ફભદ્દ ડ ક્ષહદ X x ફૂક્સબ્દન્ક્સ ક્સુધડબ f f fhchffbf |
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| 11532. |
Balance the equation a)Na+Cl2. NaCl |
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Answer» Answer: |
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| 11533. |
Continued absence ofraincauses _______. |
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Answer» Answer: drought where RAIN not COMES there ocuurs drought Explanation: HOPE it will help u |
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| 11534. |
What is dynámiç equibrilium,,,,,,?‽ |
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Answer» Answer: Dynamic Equilibrium can be defined as the state of a GIVEN system in which the reversible REACTION TAKING PLACE in it stops changing the ratio of reactants and products, but there is a movement of substances between the reactants and the products. |
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| 11536. |
Why are gaseous fuels considered better than liquid or solid fuels? |
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Answer» Answer: 1 Answer. The higher the calorific value of a FUEL, the more is its efficiency. ... When a gaseous fuel burns, it GIVES off a great DEAL of energy. And UNLIKE other SOLID and liquid fuels it does not leaves any ash. |
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| 11537. |
2. Identify the given objects and complete the table below. |
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Answer» shoes: leather chair:Wood kettle:steel container:GLASS or plastic Explanation: Please Mark as BRAINLIEST |
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| 11538. |
Hello , what is the procees of evaprttion |
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Answer» Answer: WHEN THE WATER HEATS AND BECOME GAS.. ITS CALLED EVAPORATION |
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| 11540. |
How will you separate a mixture of iron filings, chalk powder, sugar and black gram? |
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Answer» U simply NEED to TAKE a MAGNET and separate the iron FILLINGS from the mixture. To cook. |
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| 11541. |
Why does a violinist put rosin on his bow? |
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Answer» Answer: The rosin creates friction, ALLOWING the bow to grip the strings and make them vibrate more clearly. Violinists and violists tend to use a lighter rosin for their instruments, while darker ROSINS are used for CELLOS and double basses. A STROKE or two of rosin can last for at least a few hours of playing time. |
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| 11542. |
Iv scipage 21. Identify the given objects and complete the table below.5mSl.noObjectMaterial they are made up of |
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Answer» I cannot UNDERSTAND the QUESTION what you have WRITTEN |
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| 11543. |
1. How do metals and non-metals react with acids? Write and explain the chemicalequation for the reaction of magnesium with sulphuric acid and aluminium withhydrochloric acid. |
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Answer» firstly non metals do not REACT with acid metals when react with ACIDS they PRODUCE hydrogen gas Explanation: for EG: Mg+H2 So ---------------MgSo4+H2 |
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| 11544. |
What causes day and night? Explain with the help of a diagram |
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Answer» Answer: the earth TAKE 24HOURS to complete 1 rotation. The day and night are caused due to earth's rotation on its axis. when 1/2 of the earth is facing towards the sun, then it is day and the 1/2 PART opposite to the sun then it is night. Explanation: |
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| 11545. |
Name a device which can be used to seethingson the other side of high wall(without having to climb over the wall) |
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Answer» Answer: periscope |
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| 11546. |
Heamoglobin is present in _____ cells. |
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Answer» The abbreviated form of haemoglobin is 'Hb'. Hemoglobin is iron- containing OXYGEN- transport metalloprotein. Complete answer: Hemoglobin DEVELOPS in CELLS of the bone marrow that on maturing BECOME red blood cells (RBC). |
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| 11547. |
Who who is freedom fighter of India? |
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Answer» 72nd Independence Day 2018: 10 Greatest Freedom Fighters of India Usha Mehta Savitribai PHULE (25th March 1920- 11th AUGUST 2000) ... Subhash Chandra Bose (January 23, 1897 – August 18, 1945) ... BHAGAT Singh (September 28, 1907-March 23, 1931) ... Mangal Pandey (19 July 1827 – 8 April 1857) ... Mahatma GANDHI (2 OCTOBER 1869 – 30 January 1948)
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| 11548. |
1. Draw a distance time graph2. Name the motion of graph3. Define the nature of motion4. Find the speed at distance 50 m |
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Answer» Answer: 1. Draw a DISTANCE time graph 2. NAME the motion of graph 3. Define the nature of motion 4. Find the SPEED at distance 50 m |
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| 11549. |
Discuss the following neutralization reactions. a) Curing indigestion |
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Answer» Explanation: ∆ Neutralisation is the reaction of an acid with a base that results in the pH moving towards SEVEN. It is a useful process that occurs in EVERYDAY life such as in the treatment of acid indigestion and the treating of acidic soil by adding lime. When an acid is neutralised, its pH increases towards seven. ∆ In our daily life, neutralisation reaction is used to cure indigestion. Too much acid in the stomach causes indigestion. An antacid such as MILK of magnesia is used to neutralise the excessive acid. Thank me. Please mark me as Brainliest!!! |
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| 11550. |
Convert: a) 25⁰C to ⁰F b) 77⁰F to ⁰C |
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Answer» Explanation: conversion formula C - 0 /100 - 0 = F - 32 / 212 - 32 = K - 273 / 373 - 273 using the formula we can calculate the ANSWER... a) 25 - 0 / 100 - 0 = F - 32 / 212 - 32 25 / 100 = F - 32 / 180 180 / 4 = F - 32 45 = F - 32 F = 77 HENCE the answer is 77 ° F b) C - 0 / 100 - 0 = 77 - 32 / 180 C / 100 = 45 / 180 C = 100 / 4 = 25 hence the answer is 25° C |
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