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. |
Gaseous nitrogen can be used by plants only after the process of(a) Nitrogen cycling(b) Nitrogen fixation (c) Ammonification(d) Nitrifications |
| Answer» NITROGEN FIXATION is the CORRECT ANSWER | |
| 2. |
Chipko movement was started to conserve(a) Forests(b) Grasslands (c) Deserts(d) Soil |
| Answer» | |
| 3. |
Food chain always starts with(a) Respiration(b) Transpiration (c) Nitrogen fixation(d) Photosynthesis |
|
Answer» It STARTS with PHOTOSYNTHESIS.... |
|
| 4. |
Conversion of ammonia to nitrite and then nitrate is called(a) Nitrogen fixation(b) De nitrification(c) Nitrification(d) Ammonification |
|
Answer» NITRIFICATION....... . |
|
| 5. |
The loss of water from plants and tree leaves is called(a) Precipitation(b) Respiration (c) Evaporation(d) Transpiration |
|
Answer» " d " Transpiration. |
|
| 6. |
The ecological pyramid always starts with the following at the base(a) Decomposer(b) Producer (c) Consumer(d) None of these |
| Answer» | |
| 7. |
The flow of energy is.(a) Oneway(b) Cyclic (c) Linear and oneway(d) None of these |
| Answer» | |
| 8. |
Biodiversity means(a) The living natural resources(b) Land and forest (c) Oceans and sea(d) Atmosphere |
|
Answer» HELLO!!! Hey my dear friend here is your answer _____________________ option (B) is the correct answer. Biodiversity means Land and forest. definition of biodiversity :- Biological diversity' means the variability among living organisms from all SOURCES including, inter alia, terrestrial, marine and other AQUATIC ecosystems and the ECOLOGICAL complexes of which they are a part; this includes diversity within species, between species and of ecosystems. ___________________________ HOPE THIS ANSWER WILL HELP U dear..... @coconeha... |
|
| 9. |
Why is CNG considerd a cleaner fuel tan petrol |
|
Answer» Hello! ! ! |
|
| 10. |
What will happen when a light ray is incident perpendicular to the mirror? |
|
Answer» If LIGHT FALLS perpendicular to the SURFACE of mirror, that is the ANGLE of incidence is zero DEGREES then the angle of reflection is also zero. Hence the light ray will retrace its path. |
|
| 11. |
What type of image do we see in a mirror? What happens to the left and right sides? |
|
Answer» We SEE two TYPES of MIRROR 1. concave mirror 2. convex mirror. in the left SIDE concave mirror and the right side convex mirror |
|
| 12. |
Explain the experiment, with neat diagram, to prove the following:‘Sound needs material medium for propagation.’ |
|
Answer» HEYA.. |
|
| 13. |
Match the following:Group 'A'Human larynxLoudspeakerJal-tarangTuning forkSitarGroup 'B'Vibrations of metal armsVibrations in air columnVibrations in vocal cordsVibrations in stringsVibrations of screen |
|
Answer» Human larynx. AIR coloumn |
|
| 14. |
In loudspeaker,........energy is converted into ............energy. |
| Answer» | |
| 15. |
Different sound notes have different ........ |
|
Answer» Different sound NOTES have different accents, pitch, tone and note. |
|
| 17. |
What is meant by frequency and which factors decide its value? |
|
Answer» No.of waves PASSED in unit SECOND is said to be frequency. |
|
| 19. |
When a substance having mass 3 kg receives 600 cal of heat, its temperature increases by 10 °C. What is the specific heat of the substance? |
| Answer» | |
| 20. |
The apparatus used to measure heat is called a ............. |
| Answer» HEAT is MEASURED by THERMOMETER . | |
| 21. |
an athlet complets one round of a circular track of diameter 200m in 40 s what will be the distance covered and the displacement at the end of 2 m and 20sec |
|
Answer» the athletr is completing 200m in 40 second therefore in 1 second it will cover the distance = 200/40 in 2 minute and 20 second i.e 140 second it will cover the distance= 200 = 700 since it is completing 3.5 revolutions in 140second therefore displacement will be equal to 200m |
|
| 22. |
At what temperature will its value be same in Celsius and in Fahrenheit? |
|
Answer» "°F = (°C * 9/5) + 32 and °C = (°F - 32) * 5/9 are the TWO formulas USED in CONVERTING Celsius and Fahrenheit degree. An old algebra formula ºF = ºC is used in ORDER to find out the temperature when both Celsius and Fahrenheit are equal. The temperature which comes out on solving the formula when both the degrees are equal is -40 degrees. " |
|
| 23. |
Hair is waste and excreated by body why we use sampoo and oil to improve its quality |
|
Answer» Because it PREVENT our BODY from VARIOUS types of harmful INFECTIONS. |
|
| 24. |
A doctor prescribed a tablet to s patenat surfing from iron the tablet does not look like iron |
|
Answer» The prescribed TABLES might be FOLIC Acid TABLETS which are essential for HEMOGLOBIN synthesis. |
|
| 25. |
Can you list out the chemical changes that occur in your house and surroundings |
|
Answer» 1. Bubbles of Gas APPEAR- bubbles can appear when you mix VINEGAR and baking soda. |
|
| 26. |
List the precautions you can take to prevent accidents in school at home and on the road |
|
Answer» Observe the SIGNS:Instruct your child to observe the signs of ‘Caution’, ‘Wet floor’, ‘Work in Progress’, ‘Go Slow’ and how do these signs look and mean. You can practice at home and also point these in malls, airport and RAILWAY stations Exercise caution with stairs: Instruct him to HOLD handrails while moving up and down the stairs. Advise against running on stairs as he may slip and become seriously injured Get personal: Show him ANIMATED clippings of how his favorite character trips and gets seriously injured and the pain is intense Teach sports and game ethics to your child: Also teach him to be alert if he observes such misconduct. Instruct him to immediately inform the in-charge or school authorities. Strongly tell your child against pushing other kids and colliding with them Following instructions: Strictly direct your child to follow the instructions of teachers and never breach them as they are for his personal safety School fences: Teach your kid to stay away from school fences and not to entertain strangers Safety in School Bus: Instruct your child to get on or off a school bus only when it has stopped moving. Also ask him to exercise caution when it comes to waving out from the bus WINDOWS |
|
| 27. |
Explain by writing a word equation - Hard water gets softened on mixing with a solution of washing soda. |
| Answer» SODIUM ions replace the CALCIUM ions in the WATER as it passes through the column. Temporary hardness can be removed by boiling the water. The calcium hydrogencarbonate dissolved in the waterbreaks down when HEATED and forms LIMESCALE. | |
| 28. |
Electron ......... is complete in each hydrogen in a hydrogen molecule. |
| Answer» ELECTRON DISTRIBUTION is COMPLETE in each HYDROGEN in a Hydrogen MOLECULE. | |
| 29. |
Chlorine (Cl₂) molecule is formed by ............... of electrons between two chlorine atoms. |
|
Answer» Co-valent BOND formation occurs between the two chlorine MOLECULES to form molecule Cl2. Co-valent BONDING occurs with the sharing of one or more electron PAIRS. It is a bond between non-metals in chlorine ATOM. The bond makes the chlorine atom much stronger. One pair of electron is shared in chlorine to form the bond. |
|
| 30. |
Speech on junk food for class 2 |
|
Answer» Junk foods are the foods which we EAT from bakery all from ROAD these are also known as FAST food |
|
| 31. |
An ................ is drawn in between the reactants and products while writing the equation for a chemical reaction. |
|
Answer» Usually, an Arrow is drawn between the reactants and products when an equation is written for any CHEMICAL REACTION. An arrow MAKES it CLEAR that from which side the reaction is happening. It gives US a clear idea about the direction of the reaction and makes us clear that which are the reactants and which one are the products. |
|
| 32. |
Which is better and why r32 or r22refrigerant? |
|
Answer» R22 is better because it TAKES low current for using DAILY it's better OK NAA I KNOW about that that why I said |
|
| 33. |
a gril swims along the lenght of 80m in swimming pool and comes back in 105second ? find his distance covered and displacement |
|
Answer» Distance=160 m (2 SWIMMING POOL), |
|
| 34. |
How can water be saved in places with water shortage |
|
Answer» RAIN WATER HARVESTING. Underground Rain Water STORAGE SYSTEM |
|
| 35. |
What are the methods of classification of changes? |
|
Answer» In nature, substances undergo different changes. There are mainly two types of changes. Physical change and Chemical change. Boiling of water, ICE melting to water are kinds of physical changes. In a physical change, the internal STRUCTURE remains the same. Chemical changes are mainly CHEMICALS REACTING to change the internal structure of the molecules. Color change or ripening of fruits, etc. are examples of chemical changes. |
|
| 36. |
What is photographic camera |
|
Answer» Photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one END and light-sensitive FILM at the other) camera. aperture - a device that controls amount of light admitted. |
|
| 37. |
What is a carpel i forgot a little bit it is in my book but i have to find and tomorrow is the R. Test |
|
Answer» The female reproductive ORGAN of a flower, CONSISTING of an ovary, a STIGMA, and usually a style. It may occur SINGLY or as one of a group. |
|
| 38. |
Identify the coefficients of the correct balanced equation for the reaction, CaCl2 + AgNO3 ⟶ AgCl + Ca(NO3)2.1, 2, 2, 11, 3, 3, 12, 1, 1, 23, 1, 1, 3 |
| Answer» | |
| 39. |
What is the difference between cardiac and involuntry muscles explain in 5 class level |
|
Answer» Involuntary muscle (or smoothmuscle) is innervated by the autonomic nervous system and therefore is not under conscious CONTROL. ... Cardiac muscle is FOUND in the heart and can be divided into three sub-types of muscle: atrial muscle, ventricular muscle, and specialised EXCITATORY and CONDUCTIVE musclefibres. |
|
| 40. |
Pecularity of movement of gulmohur tree |
|
Answer» There is a red flower tree. Its birthland Madagascar is considered. It is said that in the sixteenth century the Portuguese had seen it in Madagascar. In the eighteenth century the governor of the French Katiis County de Poyonti CHANGED its name to Poinciana, a name similar to that of his name. Later this national flower of Saint Kitts and Nevis was also ACCEPTED. It is also known as the FLAME Tree in ADDITION to Royal Poissance. The French have probably given the most attractive name of Gulmohar, in their language it is called Paradise of Paradise. In fact, the true name of Gulmohar is 'Paradise of flowers'. Leaves are nominal in the summer summer, on the Gulmohar tree, but the flowers are so numerous that counting is difficult. It is found everywhere in the hot and humid areas of India. Gulmohar's flowers are good sources of Makarand. Honey bees tend to flush on flowers. Pollens are also received from these flowers along with Parrod. POLLINATION from flowers is mainly done by birds. Within one week of the first flowering of Gulmohar, which is standing on dry harsh lands, the entire tree is filled with thick red flowers like flowers. These flowers are also of orange, yellow in addition to red. |
|
| 41. |
Why toothpaste is used for brushing teeth? |
|
Answer» We USE TOOTHPASTE to clean our mouth and feel fresh. But, practically toothpaste is used to neutralize the PLAQUES formed in our tooth. Dental plaques formed over the enamels are acidic in NATURE and causes tooth decay. So, toothpaste which is basic in nature can neutralize those plaques and HELPS in saving our tooth from tooth decay |
|
| 42. |
Identify the following solutions, whether they are acid or alkali.Solution Change in Indicator Acid / AlkaliLitmus Phenolphthalein Methyl orange1. -- No change --2. -- -- Orange colour turns red3. Red litmus turns blue -- -- |
|
Answer» 1 neutral 2 acid 3 BASE |
|
| 44. |
Swine flu is cause by the virus ........................ |
|
Answer» SWINE flu is caused by the H1N1 VIRUS! hope it was HELPFUL!✌️ |
|
| 45. |
What do you observe on addition of baking soda solution in the fruit juice? Whether bubbles formed or effervescence came out of fruit juice? |
|
Answer» MAINLY, inthe additionto a solution of baking soda in the fruit juice, we can see the formation of bubbles. The bubble appears mainly because the baking soda usually reacts with the fruit juice. Baking soda usually has an ALKALINE base and it is soda bicarbonate which occurs naturally and made from soda ash. The juice is mainly sour in taste and approximately 5 percent of it citric acid. A new product (neutral base) results with the HELP of chemical reaction formed by mixing a base as well as an acid. SALT, water,and carbon dioxide GAS are the new products which are generally formed. |
|
| 47. |
list 3 characterisics of particles of matter. descible 1 example for each characertics is illustate it |
|
Answer» 1. they have interpartical DISTANCES. 2.they have interpartical force of attraction. 3.they are ALWAYS MOVING |
|
| 48. |
Is it possible for us to survive on raw leafy vegetables? Prepare a report |
|
Answer» We know that the animals, fungi, bacteria, non-GREEN plants and human being do not have the ability to make their own food. They depend UPON autotrophs for their food directly or indirectly. The green PLANT (leafy vegetables/grass) trap solar energy and make their own food in the form of glucose. So, we can say that leafy vegetables and grass can provide sufficient energy to HELP us survive. |
|
| 49. |
Plzz answer the mcq given in question with explanation and what is STP? |
| Answer» MARK it as BRAINLIEST. | |