This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
At what time is the position of the ball equal to 5 meters? |
|
Answer» we know the formula s=vt we are given Distance s=5M we have to find time t when distance is 5m t=? we IMAGINE speed of the ball v=10m/s t=s.v t=5/10 t=0.5 seconds a ball MOVING with 10 m/s will be at position 5m in 0.5 seconds |
|
| 2. |
Which mineral is also known as liquid gold and why |
|
Answer» Petroleum or crude oil is the MINERAL known as LIQUID GOLD due to its colour and COST. |
|
| 3. |
What is the effect of acidic soil in productivity of crops |
|
Answer» Soil ACIDITY affects PLANT growth, nutrient availability to crop , CAUSES ELEMENTAL toxicity to plant ,affects soil biological ac |
|
| 5. |
Study the givrn flow chart carefully |
|
Answer» Where is the FLOWCHART |
|
| 6. |
तारे कियुं टिमटिमाते है |
| Answer» DUE to refraction of light of in ATMOSPHERE DISTURBANCE produce and DIRECTION of light DEVIATE and star like twinkle | |
| 7. |
Explain about the tyndall effect |
|
Answer» The Tyndall effect is when LIGHT is scattered by particles of matter in its path. It MAKES a BEAM of light visible by LIGHTING the particles. Under the Tyndall effect, the longer-wavelength light is more transmitted while the shorter-wavelength light is more reflected by scattering. |
|
| 9. |
From where we metals?state their uses also. |
|
Answer» I think ur question is wrong it had to be.. |
|
| 10. |
Mesodermal cells form a single cell during growth of embryo means ? |
|
Answer» Mesodermal cell from a single cell during the growth of embryo mean: Asingle cell (zygote) undergo MEIOSIS and differentiation to develop intoembryo. In this embryo duringgastrulation, only some cell migrate INWARD CONTRIBUTING to mesodermbetween the two germ layer i.e. ECTODERM and endoderm |
|
| 12. |
Convert the following into basic units:(a) 28.7 pm(b) 25365 mg |
|
Answer» ------------------------------------------------------------------- ------------------------------------------------------------------- ------------------------------------------------------------------- ------------------------------------------------------------------- |
|
| 13. |
Why do aquatic plants have a poorly developed root system |
|
Answer» Aquatic plants survive by storing and circulating it within their TISSUES. Terrestrial plants acquire CARBON DIOXIDE and OXYGEN through leaf pores which allow air into the interior of the plant. ... Truly aquatic plants have poorly developed ROOT systems, or no root systems at all. |
|
| 14. |
Discuss the finding experiments done by spallanzani and Louis Pasteur to investigate the origin of life. |
|
Answer» The Theory of Spontaneous Generation The Greek philosopher Aristotle (384–322 BC) was one of the earliest recorded scholars to articulate the theory of spontaneous generation, the notion that life can arise from nonliving matter. Aristotle proposed that life arose from nonliving material if the material contained pneuma (“vital heat”). As evidence, he noted several instances of the appearance of animals from environments previously devoid of such animals, such as the seemingly sudden appearance of fish in a new puddle of water This theory persisted into the seventeenth century, when scientists undertook additional experimentation to support or disprove it. By this time, the proponents of the theory cited how frogs simply seem to appear along the muddy banks of the Nile River in Egypt during the annual flooding. Others observed that mice simply appeared among grain stored in barns with thatched roofs. When the roof leaked and the grain molded, mice appeared. Jan Baptista van Helmont, a seventeenth century Flemish scientist, proposed that mice could arise from rags and wheat kernels left in an open container for 3 weeks. In reality, such habitats provided ideal food sources and shelter for mouse populations to flourish. However, one of van Helmont’s contemporaries, Italian PHYSICIAN Francesco Redi (1626–1697), performed an experiment in 1668 that was one of the first to refute the idea that maggots (the larvae of flies) spontaneously generate on meat left out in the open air. He predicted that preventing flies from having direct contact with the meat WOULD ALSO prevent the appearance of maggots. Redi left meat in each of six containers (Figure 1). Two were open to the air, two were covered with gauze, and two were tightly sealed. His hypothesis was supported when maggots developed in the uncovered jars, but no maggots appeared in either the gauze-covered or the tightly sealed jars. He concluded that maggots could only form when flies were allowed to lay eggs in the meat, and that the maggots were the offspring of flies, not the product of spontaneous generation.  Figure 1. Francesco Redi’s experimental setup consisted of an open container, a container sealed with a cork top, and a container covered in mesh that let in air but not flies. Maggots only appeared on the meat in the open container. However, maggots were also found on the gauze of the gauze-covered container. In 1745, John Needham (1713–1781) published a report of his own experiments, in which he briefly boiled broth infused with plant or animal matter, hoping to kill all preexisting microbes.[2] He then sealed the flasks. After a few days, Needham observed that the broth had become cloudy and a single drop contained numerous microscopic creatures. He argued that the new microbes must have arisen spontaneously. In reality, however, he likely did not boil the broth enough to kill all preexisting microbes. Lazzaro Spallanzani (1729–1799) did not agree with Needham’s conclusions, however, and performed hundreds of carefully executed experiments using HEATED broth.[3] As in Needham’s experiment, broth in sealed jars and unsealed jars was infused with plant and animal matter. Spallanzani’s results contradicted the findings of Needham: Heated but sealed flasks remained clear, without any signs of spontaneous growth, unless the flasks were subsequently opened to the air. This suggested that microbes were introduced into these flasks from the air. In response to Spallanzani’s findings, Needham argued that life originates from a “life force” that was destroyed during Spallanzani’s extended boiling. Any subsequent sealing of the flasks then prevented new life force from entering and causing spontaneous generation (Figure 2).  Figure 2. (a) Francesco Redi, who demonstrated that maggots were the offspring of flies, not products of spontaneous generation. (b) John Needham, who argued that microbes arose spontaneously in broth from a “life force.” (c) Lazzaro Spallanzani, whose experiments with broth aimed to disprove those of Needham. |
|
| 15. |
Binoculars are an important device |
|
Answer» Telescope was an instrument to do the work of a BINOCULAR then. But a telescope is not that HANDY and easy to use device in comparison to abinocular. Basically binoculars are the IMPROVED telescopes. It is supposed that 17th CENTURY is the invention period of binocular. |
|
| 17. |
Www. NASA. in 2018 naso |
| Answer» EXPLAIN your QUESTION DEAR I didn't UNDERSTOOD ^_^ | |
| 18. |
What us the physical state of water at 25°C |
| Answer» | |
| 19. |
The annual range of temperature over Siberian is larger than at Mumbai because? |
|
Answer» As land has a lower specific heat capacity it GETS heated up FAST unlike water. so, Siberian plain being a massive rock surface quickly gets heated up or it reacts faster for the change in weather because it is a land locked plain and no water body is present in its surroundings. Mumbai being an island, is surrounded by water which INCREASES the time the land gets heated. THUS annual RANGE of temperature over Siberian plain is larger than at Mumbai. |
|
| 20. |
Adina is stranded on an island in the middle of the ocean. There is one stream on the island but the water has lots of sand in it. Which technique should she remove the sand from the water? |
|
Answer» She can REMOVE the sand , using a shovel , but that will be hard .. |
|
| 22. |
Which of the following regulates blood pressure and flow in our body |
| Answer» | |
| 23. |
What is resistivity...... |
|
Answer» Hiiiii |
|
| 25. |
What is the function of xylem |
|
Answer» Xylem TRANSPORT mineral and water from the ROOT to the DIFFERENT PARTS of the body. |
|
| 26. |
True or False polysaccharides decompose the xenobiotic chemical present in sewage |
| Answer» | |
| 27. |
Plzzz also answer this question |
|
Answer» infer the reactivity series- iron silver gold 1. iron will displace copper to form green ferrous sulphate 2. no REACTION (COLOUR will be same i.e BLUE) 3. no reaction (colour will be same i.e blue) |
|
| 28. |
What is homeologous organs... |
|
Answer» A homologous STRUCTURE is an example of an organ or bone that appears in DIFFERENT animals, underlining anatomical commonalities demonstrating descent from a common ancestor. In other words, it's when very different animals have BONES that appear very similar in form or FUNCTION and seem to be related |
|
| 29. |
What is electromagnetic induction ? |
|
Answer» Electromagnetic or magnetic induction is the PRODUCTION of an electromotive force ACROSS an electrical conductor in a changing magnetic FIELD. |
|
| 30. |
What is diploid cell.... |
|
Answer» A DIPLOID cell is a cell that CONTAINS two sets of chromosomes. |
|
| 31. |
What is haploid cell... |
|
Answer» Hiiiii |
|
| 33. |
What is Auricular systolic??????? |
|
Answer» Hello |
|
| 34. |
a sample of hard water is heated in a utensil a white deposit of calcium carbonate is formed this is due to the presence of |
| Answer» SOAP is PRESENT in the HARD WATER | |
| 35. |
What is cardiac cycle?? |
|
Answer» Hello |
|
| 36. |
What is medulla??????,?,,,,,,?????? |
|
Answer» Hey there! |
|
| 37. |
What is cortex?????? |
|
Answer» Hello |
|
| 38. |
How guttation takes place??????,, |
|
Answer» here is your answer The process of GUTTATION takes PLACE through specialised PORES called hydathode. thank U |
|
| 39. |
How is resistivity releated to length??? |
|
Answer» RESISTANCE of a GIVEN conductor is DIRECTLY PROPORTIONAL to the length of the wire. thank u |
|
| 40. |
What is boiler scale ? pls anyone answer it i need it |
| Answer» BOILER scale is a deposit that form directly on heat TRANSFER surfaces that constituent SOLUBILITY limits are exceeded and limited compounds PRECIPITATE on to the tube surface.such deposits may contain calcium , magnesium,iron and phosphate. A tenacious form of boiler scale results when calcium precipitate in the form of calcium carbonate. | |
| 41. |
Seeds of some plants do not germinate how are they their next generation form |
| Answer» | |
| 43. |
A body falls down from a height of 500 metre. Find out the time taken by it to reach the ground and the velocity when it touches the earth. take g=10m/sec square. |
|
Answer» TIME TAKEN to reach the ground is 10 sec. the VELOCITY when it touch the ground is 100m/sec |
|
| 44. |
Good Morning guys......... plz help medistinguish between Loudness and Intensity of sound |
|
Answer» intensity is how much your METER can READ or receive.Loudness is how your EAR can receive. hope it helped. plz follow me |
|
| 45. |
Expain the changes occur in amoeba to survive in adverse conditions |
|
Answer» The CHANGES occur in AMOEBA to survive in ADVERSE conditions is Cyst. In adverse CONDITION, there is no food for Amoeba. In that situation, there is a formation called a cyst to avoid that situation. ... These are the changes OCCURS in amoeba to survive in adverse conditions. |
|
| 47. |
570°kin celcius from is |
|
Answer» ✨ hey mate here is ur answer ✨ |
|
| 48. |
Explain the term balanced equation with example |
|
Answer» equation having equal NUMBER of ATOM in both the sides is CALLED balanced equation. for example 2H^2+O^2=2 H20 Explanation: HOPE this is helpful for you |
|
| 49. |
Expain the stages of the mitosis in short |
|
Answer» Stages of Mitosis. Mitosis produces two daughter cells with IDENTICAL genetic material. ... Mitosis has FIVE different stages: interphase, prophase, metaphase, anaphase and telophase. The process of CELL DIVISION is only COMPLETE after cytokinesis, which takes place during anaphase and telophase |
|