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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. |
An object icm high is placed on the axisand 15cm from a concave mirror ofoffocal length locm Find the positionnature , magnification and size ofthe image |
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| 2. |
One world name an input device is in library |
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| 3. |
Dialogue writing between 2 friends about science project |
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| 4. |
Why does earth rotates in an orbit ? |
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Answer» Since GRAVITY pulls INWARD from all directions equally, the amorphous clump, if MASSIVE enough, will EVENTUALLY become a round planet. Inertia then keeps that planet spinning on its axis unless something occurs to disturb it. |
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| 5. |
136.where L is inductance, I is electric currentQand Q is electric charge, then the unit of y is same as :electric field(b) electric potential(c) work(d) power |
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Answer» d) power Explanation: |
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| 7. |
InanimalsHowdifferdoes growthfrom growth in plants? |
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Answer» Answer: PLANTS differ from animals in their manner of growth. As young animals mature, all parts of their bodies GROW until they reach a GENETICALLY determined size for each species. Plant growth, on the other hand, continues throughout the life SPAN of the plant and is restricted to certain meristematic tissue regions only. |
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| 8. |
Which of the following best describes the function of a cell membrane?P. It maintains the shape of the cell.Q. It controls the movement of materials between the cytoplasm and the inside of the nucleus.R. It controls the movement of materials between the cytoplasm and the environment outside the cell. |
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| 9. |
Describe the process of electroplating of copper on a carbon rod |
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Answer» Answer: Dip the COPPER strip and OBJECT to b electroplated in the beaker containing copper sulphate solution . ... When electricity is passed through the solution , copper ions move TOWARDS the cathode and GET REDUCED to copper metal . This metal gets electroplated on the object . |
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| 10. |
Page :Date 1Project class &ez! Explain different exampleerent of |
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Answer» phy9uyfiiiughighkjvkjvjtxtxugxcch |
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| 11. |
Principles of electric motor and electric generator.please answer in easy away dont search in google. |
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| 12. |
Write the definitions of humus, weathering |
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Answer» Explanation: a DARK brown or black colloidal MASS of PARTIALLY decomposed ORGANIC MATTER in the soil. It improves the fertility and water retention of the soil and is therefore important for plant growth |
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| 13. |
Effect of temperature on flowering plants is called |
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Answer» Devernalization Hope it helps you |
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| 14. |
Write down the difference between acid and base? |
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Answer» A substance, MOSTLY liquid that donates a PROTON or accepts an electron pair in reactions. An acid increases the concentration of H+ ions. A BASE is a substance that releases hydroxide (OH-) ions in aqueous solution, donates ELECTRONS and accepts protons |
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| 15. |
1. Describe how crystalsli. Why should curd and other sour substances not be kept inaluminium or copper containers ?Why is water essential for plants ? |
Answer» ii) Curd and sour substances contain acids. Acids react with METALS to produce salt and hydrogen gas. So, if such substances are kept in copper container, the acid will react and the container will be corroded.iii) Water is vital for the life and survival of all PLANTS.Water is also essential for the transportation of nutrients and sugars from the soil to the plants. All plants will suffer from water SHORTAGE or drought at some point. This can be fatal in some cases or severely slow the growth of those plants. Plants SUFFERING from a prolonged drought can be left susceptible to secondary infection by PESTS and pathogens.(Please write the first question correctly) |
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| 17. |
Consider the NACA 0012 airfoil at zero angle of attack. The minimumpressure coefficient, measured in a wind tunnel at low speed, is -0.56. Estimate the critical Mach number of the NACA 0012 airfoil at zero angle of attack using the Prandtl-Glauert rule. Where γ = 1.4. |
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| 18. |
In each of the following a force, F is acting on an object of mass, m. The direction of displacement is from west to east shown by the longer arrow. Observe the diagrams carefully and state whether the work done by the force is negative, positive or zero.3 points |
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| 19. |
What is a metal do u know this answer |
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Answer» a solid material which is typically HARD, shiny, malleable, FUSIBLE, and DUCTILE, with good electrical and thermal conductivity (e.g. iron, gold, SILVER, and aluminium, and alloys such as steel). |
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| 20. |
1. Carrier of malaria- causing protozoan isA. Female anopheles mosquitoB. CockroachC Houseflyd. ButterflyQ-2. Which of the following can be beaten into sheets?A. ZincB. PhosphorusC. SulphurD. OxygenQ-3. Internal fertilization occuresA. In female bodyB. Outside female bodyC. In male bodyD. Outside male bodyQ-4. A tadpole develop into an adult frog by the process of A. FertilisationB. MetamorphosisC. EmbeddingD. BuddingQ-5. The number of nuclei present in a zygote isA. FourB. ThreeC. Two D. One |
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Answer» Answer: 1-A 2-A 3-A 4-A 5-C Explanation: 2-Because ZINC is a metal and it is ductile |
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| 21. |
स्वसन क्रिया होती है |
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Answer» जो हम अपने वायुमंडल में सास लेते है जिसे हम जिंदा रहते है। |
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| 22. |
7. The nucleic acid along with inorganic andorganic molecules formed the first form of lifecalled(1 Point)*ProtiomesPrecursor ProtobiontsAggregates |
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Answer» Answer: The nucleic acid along with inorganic and The nucleic acid along with inorganic andorganic molecules FORMED the first form of life called :-
ADDITIONAL KEY POINTS :- Protobionts were the precursor to early life, and resemble very simple cells. They are microspheres composed of inorganic and ORGANIC molecules TRAPPED inside of a lipid bilayer membrane. ... Protobionts are ALSO able to go through simple "reproduction" by giving birth to smaller liposome microspheres. ⚕️ NONEXISTENT⚕️ |
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| 23. |
In the_____ temperature may increase to their hottest of the year |
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| 24. |
Sugar and selt are ________ in water |
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Answer»
A mixture is a material system made up of two or more different substances which are mixed but are not COMBINED chemically. A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties. Salt, sugar, and MANY other substances dissolve in water to FORM homogeneous mixtures. Answered By
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| 25. |
Two element that have two electrons in their outermost cell name them |
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Answer» Answer: Elements of GROUP II have TWO electrons in their outermost shells. So, MAGNESIUM, Calcium, and STRONTIUM are the 3 elements that have two electrons in their outermost orbit. |
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| 26. |
What is bagging techniche?? |
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Answer» Explanation: Bagging is a technique used to prevent the fertilization of STIGMA from UNDESIRED pollen by covering the EMASCULATED flower with butter-paper. It is useful in a plant breeding programme because only DESIRED pollen grains for pollination and protection of the stigma from CONTAMINATION of undesired pollen. |
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| 27. |
Explain three rules of drawing ray diagram. |
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Answer» Answer: ALWAYS use a ruler while drawing ray diagrams. never draw free hand ray diagrams. The DISTANCE b/w pole & focus and b/w focus and CENTRE of curvature should be same on both the sides of lens/mirror. Always draw arrow heads on the ray to show their path. |
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| 28. |
Write difference btw:-contact and noncontact force |
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Answer» Answer: CONTACT force- when two bodies comes in contact with each other then the force ACTING in between both the OBJECTS is known as contact force non contact force- force acting in between two objects without contact is known as non contact force it's also known as DISTANCE force. Explanation: eg contact force- friction, impulse non-contact force- gravity, MAGNETIC repulsion. can i get brainliest answer? |
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| 29. |
Explain with examples :-(i) Atomic number(ii) Mass number |
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Answer» Answer: here is your answer Explanation: Atomic Number: The number of the protons present in the nucleus of an ATOM is called atomic number. ... ii) Mass number is the number of protons and neutrons in the nucleus taken together. For EXAMPLE, mass number of sodium is 23 g/mol. iii) ISOTOPES are ELEMENTS with the same atomic number but different mass numbers. |
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| 30. |
Q.2.Pinky is observing her image in a plane mirror. The distance between the mirror andher image is4 m, If she moves 1 m towards the mirror then what will be the distancebetween pinky and her image ? |
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Answer» Answer: 5idpdlutxjtxgdmrhdygzfugx,EGX |
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| 31. |
A body travels 200 can in the first 2seconds and 220 cm in the next 2 seconds.what is the initial velocity of the body? |
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Answer» Explanation: s=ut+21at2 For case 1. 200=2u+2a u+a=100....(1) For case 2. .i.e. next 4 SECONDS, we have distance =420 CM and time =6 s 420=6u+18a u+3a=70....(2) SOLVING equation 1 and 2, we GET, u=115 cm/s and a=−15 cm/s2 Now by v=u+at v=115−15×7 v=10 cm/s plzzz mark me as a branlist |
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| 32. |
Recruiting wbc towards infected areas by our immune system to protect us from infectious agentsis called |
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Answer» Answer: please mera YOUTUBE CHANNEL subscribe KAR do Mr a2z technical then I Will follow you and MARK as BRAINLIEST answer and 20 thank ❤️ please please please please please please please please |
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| 33. |
Observe the pond or tank present in your surroundingsand write the names of organisms present in the differentregions. Record your observations and analyse. |
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Answer» Algae Explanation: MARK me as BRAINLIEST |
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| 35. |
Similar cell together form _ |
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Answer» TISSUE Explanation: PLEASE FOLLOW ME....MARK AS BRAINLIEST |
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| 36. |
Write a note on compound microscope with the example of magnification and resolution. |
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Answer»
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| 37. |
.By knowing the crystal structure of a materialand itswhichdimensionscharacteristslatticethink of determing?of the crystal you can |
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| 38. |
How is poverty line determined in India? (5marks)..... |
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Answer» Answer: In 2011, the Suresh Tendulkar Committee defined the poverty line on the basis of monthly spending on FOOD, EDUCATION, health, electricity and transport. According to this estimate, a person who spends Rs. 27.2 in rural AREAS and Rs. 33.3 in urban areas a day are defined as living below the poverty line. |
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| 39. |
Any five of the following questidWhat are Newton's laws of motion? |
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Answer» Newton's laws of motion RELATE an OBJECT's motion to the forces acting on it. In the first law, an object will not change its motion UNLESS a force acts on it. In the second law, the force on an object is equal to its MASS times its acceleration. |
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| 41. |
What is the keyword of weaving?pls give correct answer |
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Answer» verb (used with object), wove or, ESPECIALLY for 5, weaved; wo·ven or wove; weav·ing. to interlace (THREADS, yarns, strips, FIBROUS material, etc.) so as to form a fabric or material. |
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| 42. |
Write one diffetence and similarity between amoeba and human? |
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Answer» ● Hi... here is your answer ● Explanation: •• Human BEINGS have a complex digestive system and different NUTRIENTS are digested in separate REGIONS. •• Amoeba does not have a digestive system and all the nutrients are digested in the food vacuole. Hope it helps you ✌ Mark as Brainliest PLZ |
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| 43. |
Explain the process of corrosion and rusting ? |
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Answer» Corrosion is the PROCESS of deterioration of metals and non-metals by oxidation. RUSTING is oxidation of iron (or STEEL) in presence of air and moisture. Corrosion can occur on both metals and non-metals. It may occur on skin and wood as well. Rusting occurs on metals only such as iron and steel. |
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| 44. |
If two forces of magnitude 2p and 4p on a body then their maximum resultant is |
Answer» the ANSWER is :8P.......... |
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| 45. |
Why does moon rotates around the Earth? |
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Answer» Explanation: A changing orbit. Gravity from Earth pulls on the closest tidal bulge, trying to keep it aligned. This creates tidal friction that slows the moon's rotation. Over TIME, the rotation was slowed ENOUGH that the moon's orbit and rotation MATCHED, and the same face BECAME tidally locked, FOREVER pointed toward Earth. |
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| 46. |
The bones present in middle ears are |
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Answer» no no Explanation: jdhdhdjdhdhjdjdjdhdjdihdjridhdhududhdudiidydududidudu |
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| 47. |
Loudness of sound depends upon |
Answer» It depends on the amount of energy that started the WAVES. Greater amplitude waves have more energy and greater intensity, so they SOUND LOUDER. ... The same amount of energy is spread over a greater area, so the intensity and loudness of the sound is LESS. |
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| 48. |
Function of ovary explain |
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Answer» Answer: The ovaries produce the egg cells, called the ova or OOCYTES. The oocytes are then TRANSPORTED to the fallopian tube where fertilization by a sperm MAY occur. The FERTILIZED egg then moves to the uterus, where the uterine lining has thickened in RESPONSE to the normal hormones of the reproductive cycle. |
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| 49. |
It is the high plain which is raised substantially above the surrounding area. What is it called ? *(1 PointEnter your answer5 Ancamand Nicobar group hasislands in total. * |
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Answer» Answer: Plateauis the high PLAIN which is RAISED SUBSTANTIALLY above the SURROUNDING area. Hope this will help you !! |
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