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. |
what is meant by power of a lens ? write its SI unit . A student uses a lens of focal length 40 cm and another of -20 cm . write the nature and power of each lens . |
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Answer» POWER = RECIPROCAL of the focal length [in meters] SI unit is D (Dioptre) ANS ) a) we have f=40cm=0.4m p=1/0.4=5/2=+2.5D *CONVEX lens b) f= -20cm=0.2m p= 1/0.2= -5D *concave lens |
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| 2. |
Write at least six example of daily life where are use filteration to separate things |
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Answer» This is just a (very) short list: |
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| 3. |
Which body part is affected from the disease Cholera |
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Answer» When the BACTERIA that CAUSE CHOLERA enter the body, some of it can be killed by stomach acid. However, some of the bacteria travel to the small intestine, causing the LOSS of large amounts of salt and water in the fo of watery diarrhea |
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| 5. |
can somebody please tell me honestly how to study class 11 science to be at the top.Actually I study a lot but then I forget every thing after some days. so please my dear sciene toppers and esteemed experts can you give me some suggestions. #im an average science student. |
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Answer» Just one suggestion be active and concentrate in ur CLASS read by the day 1 if they teach U small topic today go home and read it twice and see in exam ............ SORRY I m SMALLER than u I m tenth but I use the same method of studying |
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| 6. |
Explain life cycle of silk moth exlpain in detail |
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Answer» The larvae or caterpillars HATCHED from the eggs of the silk moth. ... The FEMALE silk moth lays eggs, from which hatch larvae which are called caterpillars or silkworms. They grow in size and when the caterpillar is ready to enter the next stage of its life history called pupa, it first weaves a net to hold itself. |
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| 7. |
How is tha process of pollination different from fertilisation |
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Answer» Pollination is the transfer of pollen GRAINS from the anthers (male structures) of a flower to the STIGMA (female structures) of the same or ANOTHER flower. ... Pollination is the transfer of pollen to the ovule. Although it is a PREREQUISITE tofertilization, several EVENTS must happen before fertilization occurs |
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| 8. |
Explain how wool is produced from the fleece of the sheep |
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Answer» HEYA MATE, |
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| 9. |
Mention a change caused by force or pressure |
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Answer» Both are same !!!(sort of) we give out force and pressure is the kind of energy that we do we can PUT pressure on a table (glass)if you put LESS pressure it won't break but with lots of pressure it will break.A PUSH pull is CALLED force |
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| 10. |
For a given object, the buoyant force in liquids of different.... is............... .(the same, density, different, area) |
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Answer» (P_{gauge}=\rho gh), (P gauge =ρgh) increases as you go deeper in a fluid, and the force from pressure exerted downward on the top of the can of beans will be less than the force from pressure exerted upward on the bottom of the can. This is your ANSWER of for a GIVEN OBJECT the buoyant force in liquids of DIFFERENT |
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| 11. |
What happen if rice crop is cultivated in winter and wheat crop is cultivated in kharif season |
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Answer» If RICE is cultivated in winter it WOULD DRY because of the SNOW. If wheat is cultivated in kharif SEASON it will grow . |
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| 12. |
What is computer |
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Answer» It is an ELECTRONIC MACHINE. |
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| 13. |
What is the meaning of discrmination |
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Answer» The UNJUST or prejudicial TREATMENT of different categories of PEOPLE,especially on the grounds of RACE,age,sex. |
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| 14. |
What is DNA coping an essential part of tha process of reproduction |
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Answer» Hi, |
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| 15. |
a converging lens has a focal length of 15 cm.An object is placed 60 cm from the lens determine the image. |
| Answer» PLEASE MARK it as BRAINLIST | |
| 16. |
The SI unit of force is ...............(Dyne, Newton, Joule) |
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Answer» Newton is the right ANSWER. In general, the Newton is the ABSOLUTE unit of force in the International System of Units (SI units). On the other hand, it is DEFINED as that force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second. |
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| 17. |
How is it decided that in object left in liquid will get sink in the liquid, will float on the surface, or will float inside the liquid?1. The object floats if the buoyant force is larger than its weight.2. The object sinks if the buoyant force is smaller than its weight.3. The object floats inside the liquid if the buoyant force is equal to its weight.Which forces are unbalanced in the above cases ? |
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Answer» When the BUOYANT force applied on an object is LESS than the WEIGHT of the object, the object sinks. |
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| 18. |
The air pressure on our body is equal to........... pressure.(Atmospheric, Sea bottom, Space) |
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Answer» The air PRESSURE on our body is equal to...14.7 lb/sq inch........ pressure. It is an amazing matter that in spite of this pressure on US Why we are not being crushed by air pressure?” The reply is that there’s also pressure inside our body say blood pressure, ear fluid and another liquid component of our body exerting the same pressure. THUS, a counterbalance always is there. Body, pushing outward at the same pressure. So the forces acting on our body is equalized and our body is in equilibrium. This also helps explain why our ears pop when we are in elevating lift. As we GO up the air pressure around is decreasing, but the air pressure inside the body is not decreasing as fast. Similar is the CASE when you take off in Aeroplane when our ear popup. |
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| 19. |
Why do we need to group materials |
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Answer» Grouping materials helps in : |
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| 20. |
Hi GUYS PLZ SEND ME NOTES OF CHAPTER CELL THE FUNDAMENTAL UNIT OF LIFE FOR CLASS 9. WHO WILL SEND ME PROPER NOTES HE WILL BE MARKED AS BRAINLIST |
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Answer» • Introduction |
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| 21. |
Define an earth quake and his safety precautions |
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Answer» The answer of earthquake is the sudden VIOLENT shaking of the ground typically CAUSING great destruction as a results of movements within the EARTH crust or volcanic reaction. |
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| 22. |
Some points on how to save environment |
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Answer» Here are some WAYS in which we can prevent damage to the environment.
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| 23. |
You must have seen a vegetable vendor carrying a basket on her head. She keeps a twisted piece of cloth on the head, below the basket. How does it help? |
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Answer» In general, it helps in INCREASING the area of contact of the load with their head. EVEN the pressure on their head is REDUCED and they find it easy to carry the load. They are skilled to carry loads on their heads. By twisting cloth becomes more compact and makes cloth harder FEEL. |
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| 24. |
We can not stand at one place for a long time. How then can we sleep on a place for 8 and odd hours? |
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Answer» Because some ORGANS NEED rest and some STILL work so we rest to make a our organs rest |
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| 25. |
Give the preventive measures of following diseases.a. Dengue. b. Cancer. c. AIDS. |
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Answer» AIDS – Aids is a sexually TRANSMITTED diseases and can easily infect and get transmitted sexually. One of the most effective ways to prevent AIDS is to practice safe sex methods. You should always ensure that you have sex with only one partner. Also ensure that you never have unsafe sex. Try and make use of condoms when having sex with unknown partner. Aids can also spread by blood transfusion so it is advisable to purchase blood from certified centers only. SYRINGES that are used should only be disposable TYPES when having blood test or vaccination. Cancer- This is a type of condition that occurs the moment body cells multiple beyond safe numbers. There are different types of cancers and maintaining a healthy life style is the only best way to cure or prevent this condition. Always ensure that you eat health and nutritional food and include a lot of physical activities in your daily routine. Dengue- This is a type of infection that spears by bite of a mosquito. To prevent this condition it is important that you should try and REGULATE breeding grounds for mosquitoes NEARBY to your home. Also it is best to make use of proper medications if infected and prevent mosquitoes from breeding nearby to your locality. |
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| 26. |
Make a list.a. Viral diseases.b. Bacterial diseases.c. Diseases spread through insects.d. Hereditary diseases. |
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Answer» The COMMON cold and CHICKENPOX are the viral disease. When it comes to pneumonia and tuberculosis, they are the diseases caused by bacterial infections. Both chikuengunia and MALARIA are the well-known and dangerous diseases which are mostly SPREAD through the insects INCLUDING mosquitoes. AIDS and cancer are the hereditary diseases. |
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| 27. |
Explain the importance.a. Balanced diet. b. Physical exercise / Yogasanas. |
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| 28. |
Pease help me for 2nd answer (long) |
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Answer» <>Changing trends in Physical Education: The tendency of physical education is not new to earthliving. It is believed that its roots date back to ANCIENT times. |
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| 29. |
Plz. and that's 2nd ones |
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Answer» I KNOW the first QUESTION answer but I am not conform in the second |
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| 30. |
Which group has obtained a material with magnetic properties |
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Answer» Magnetism is a class of physical phenomena that are mediated by magnetic FIELDS. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which ACTS on other currents and magnetic moments. The most familiar effects occur in FERROMAGNETIC materials, which are strongly ATTRACTED by magnetic fields and can be magnetized to become PERMANENT magnets, producing magnetic fields themselves. Only a few substances are ferromagnetic; the most common ones are iron, nickel and cobalt and their alloys. The prefix ferro- refers to iron, because permanent magnetism was first observed in lodestone, a form of natural iron ore called magnetite, Fe3O4. |
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| 31. |
What can be achieved / can be prevented?a. Drinking boiled and filtered water.b. Avoiding smoking and alcoholism.c. Regular balanced diet and exercise.d. Proper checking of blood before blood donation. |
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Answer» Avoiding smoking and alcoholism can be achieved. It is because both alcoholism and smoking are the inappropriate and unhealthy habits that will CAUSE dangerous health PROBLEMS and severe diseases. If you QUIT both smoking and drinking, you are able to get LOTS of health benefits. Apart from that, it also prevents you from various deadly diseases. |
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| 32. |
Identify the odd term.a. Malaria, hepatitis, elephantiasis, dengue.b. Plague, AIDS, cholera, T.B. |
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Answer» The odd term of the first question is elephantiasis because it is the condition affect the LIMB of the human body. It also enlarges the limb of a body due to few obstructions of your lymphatic vessels by NEMATODE parasites which CREATE filariasis. The odd term of the SECOND sentence is plague because it is a HARMFUL bacterial infection that is deadly. |
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| 33. |
Definition of condensation |
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Answer» The process in which a SUBSTANCE like water, CHANGES to LIQUID from its vapour is called condensation |
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| 34. |
Why does the face of a person become red in sunlight? |
| Answer» DUE to the reddish LIGHT EFFECT caused by PARTICLES. | |
| 35. |
Why force is required to move an object? |
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Answer» Without of using FORCE an object can't MOVE without any TOUCH or force it will called STATIONARY, that's why force is used to move an object. |
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| 36. |
What is the role of boiling of leaf in alcohol during the starch test? |
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Answer» It will remove all the chlorophyll from the leaf. |
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| 37. |
Why the animal cages and their living places should not be near the kitchen? |
Answer» Reasons for placing animal cages far away from the kitchen
Learn more about safety handling of animals in Kitchen Why animal cages and their living places should not be near the kitchen ?????? Why the animals cages and their living places should not be near the kitchen INFORMATION |
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| 38. |
What do we mean by pathogen? |
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Answer» HeY FriENd HeRe is YoUR AnsWEr |
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| 39. |
Depending upon which symptoms, rabies can be identified? |
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Answer» Rabies can be caused by a virus that affects the central nervous system, particularly CAUSING inflammation in the brain. The period between the BITE and SHOWING symptoms is CALLED as incubation period. It can be 4 to 12 weeks or a few weeks to 6 years. The rabies begins with the symptoms like- fever, muscle weakness and tingling. |
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| 40. |
How would you differentiate between a parasite and a host |
Answer» ParasiteA Parasite Is a plant Which doesn't have chlorophyll . It uses the Heterotrophic mode of NUTRITION . To GET the required nutrients these plants DEPEND on other plant. They coil / climb around the other plant And GETS the nutrition. Ex. ⇒ Cuscuta ( Amarbel ) HostThe plants which Gives nutrition to other plants Are called Host . and in return the plant does't Get any benefit But, only lose. Ex. ⇒ nematodes This type of nutrition is called Parasitic type of nutrition |
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| 41. |
What type of fabrics are used to make shirt ,mufflers, bags,blankets, carpets |
| Answer» WOVEN fabrics of COTTON, other than GAUZE, terry fabrics, PILE fabrics, CHENILLE .. | |
| 42. |
Which chemical is used to detect the presence of starch in leaves |
| Answer» POTASSIUM permagnet KMNO4 | |
| 43. |
What happens exactly when we become sick? |
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Answer» If you become sick, you will experience lots of difficult symptoms INCLUDING a sore throat, CHILLS and even fever. These kinds of symptoms are CAUSED by various components. When it comes to a sore throat, it is a common condition caused by BACTERIA. The SINUS cavities are also lined with your mucous membranes. |
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| 44. |
Sometimes, we feel good even without taking any medicines and sometimes we need to consult doctor and take regular medicines in sickness. Why is it so? |
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Answer» It is because some diseases are not so serious and are not caused by very HARMFUL pathogens and our immune system is strong enough to FIGHT againt them and PROTECT us but some harmful organisms when enters our body our immune system is unable to fight against them as it is not use to. |
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| 45. |
Complete the five kingdom method of classification using - living organism, prokaryotes, eukaryotes, multicellular, unicellular, protista, animals, plants, fungi. |
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Answer» The five kingdom method of classification includes various elements INCLUDING Monera, Protista, FUNGI, Plantae, and Animalia. When it comes to the five-kingdom system, it is one of the most common ways to GROUP the living THINGS according to the unique characteristics. It is important to know the classification is changing continuously. |
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| 46. |
State whether the following statements are true or false. Explain your statement.a. Lactobacilli are harmful bacteria.b. Cell wall of fungi is made up of chitin.c. Organ of locomotion in amoeba is pseudopodia.e. Tomato wilt is a viral disease. |
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Answer» A) FALSE |
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| 47. |
Who am I ?a. I don't have true nucleus, cell organelles or plasma membrane.b. I have nucleus and membrane bound cell orgenelles.c. I live on decaying organic matter.d. I reproduce mainly by cell division.e. I can produce my replica.f. I am green, but don't have organs. |
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Answer» A.PROKARYOTIC cells |
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| 48. |
Democracy provides a method to deal with differences and conflicts explain |
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Answer» ⭐⭐Heya!!⭐⭐ here's your answer.... In any society, people have diverse INTERESTS and opinions. These differences become sharp particularly when people belong to different caste, CLASS, RELIGION and language. There are TIMES when these differences clash within the society and create problems. If these problems are solved by a supreme power then it can create RESENTMENT. This is why democracy is a winner, because in a democracy all humans are considered equal and there cannot be a winner or a loser during such an argument. hope it helps...✌✌ Read more on Brainly.in - brainly.in/question/767120#readmore |
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| 49. |
What is tha important of DNA coping In reproduction |
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Answer» Hey mate,,here is your answer :-)⤵⤵ |
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| 50. |
किसी कोशिका का कोौन सा कोसिकांग अअपशिष्ट निपलान में मदद करता हेै? A/लाइसोसोम B. माइटोकॉन्डिया अतः प्रद्रव्यी जालिका r Vo D. गॉल्जी कॉमस्लेक्स |
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