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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.
| 45901. |
What is xylem. |
| Answer» It is a vessel in plants which transport food | |
| 45902. |
Saponification reaction is endothermic or exothermic |
| Answer» Saponification is endothermic.It absorbs heat from surroundings. | |
| 45903. |
Ammonia is a base but doesn\'t contain hydroxyl group.explain. |
| Answer» Because it produces OH- ion when added to water Ajit ionizes to form Ammonia ion and Hydroxide Ion after forming of ammonia Hydroxide when mixed with. | |
| 45904. |
What is dehydrating agent |
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Answer» Which absorbs water present in solution. A dehydrating agent is a substance that dries or removes water from a material. CH3CH2OH ---conc.H2SO4----- CH2=CH2+H2O ( ethanol) (heat) (ethene) |
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| 45905. |
name of enzymes found in saliva |
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Answer» Salivary amylase (ptyalin ) it is produced in salivary glands. salivary amylaseptaylin |
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| 45906. |
Micellar |
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Answer» Micellar is helpful to remove makeup and cleanses your skin and tones your skin with just few wipes.?♥ Do you mean micille?? |
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| 45907. |
What is plant hormone??? |
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Answer» These are hormones produced by plants that control or regulate germination, growth, metabolism, or other physiological activities. Auxins, cytokinins, gibberellins, and abscisic acid are examples of plant hormones. Plants synthesise the chemical substance which co-ordinate the growth, development and response to environment called plant hormones These are chemical compounds which helps to coordinate growth, development and responses to the environment. They are organic substance released in growing regions of plant and responsible for growth , development and differentiation AuxinGribberlingsCytokines |
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| 45908. |
A.c. generator briefly explain |
| Answer» An alternating current AC generator is an important tool of electromagnetic induction. AC generator is an Electro Magnetic device that transforms mechanical energy into electrical energy. It is made of a rectangular coil of cord which could be rotated about an axis. | |
| 45909. |
Write two function of Hcl that is secreted in our stomach . |
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Answer» Kill microorganism present in food Create acidic medium in stomach so that pepsin can digest protein easily (1) It helps in digestion of food..(2) It breaks the food into smaller pieces for quicker absorbtion... To digest fats and proteins Make Acidity To kill the bacteria that enter in our body with food and make medium acidic to activates pepsinogen to form enzyme pepsin. |
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| 45910. |
What is Thigmonasty ? Explain (2marks question) |
| Answer» In it leaflets show dereasing in turgor pressure due to loss of water. Ex- leaflets of mimosa pudica get bend when touched. | |
| 45911. |
1mark question:-Why most of carbon compound doesn\'t conducts electricity? |
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Answer» Because they usually don\'t have free electrons in them to conduct electricity. Because they have low melting and boiling point. |
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| 45912. |
Explain the statement."bile does not contain enzymes but it is essential for digestion " |
| Answer» Bile juice makes the medium alkaline and helps in emulsification of fats. | |
| 45913. |
Difference between Speciation and Genetic drift . (2 marks question ) |
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Answer» Genetic drift: small accident in a population can change the frequency of some genes in a population called genetic drift Speciation: formation of the new species from the existing species the process is called speciation.Genetic drift: |
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| 45914. |
How trait get expressed ? |
| Answer» | |
| 45915. |
Justify the statement ---- "Gene controls trait" . For 3 marks question . |
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Answer» Genes are the sigments of dna. Is your answer is suitable for 3 marks question? Please elaborate it Because gene has dominat and reccesive trait |
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| 45916. |
Sir,what is diallyis and explain is\'t function in detail |
| Answer» Dialysis is a treatment that does some of the things done by healthy kidneys. It is needed when your own kidneys can no longer take care of your body\'s needs | |
| 45917. |
List two property of homologous series |
| Answer» Compound r always differ by CH2 .Molecular mass is differ by 14g. | |
| 45918. |
IUPAC stand for.. |
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Answer» IUPAC stand for the international union of pure and applied chemistry ---they gave the name of compound that scientists have searched them The full form of IUPAC is:International Union of Pure and Applied Chemistry |
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| 45919. |
Why carbon element have more compound ? |
| Answer» It is because carbon is more or in huge quantity present on earth than other element. | |
| 45920. |
Material which is used to make permanent magnet |
| Answer» steel | |
| 45921. |
Placenta is extremely essential for feotal development. Give reason |
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Answer» Placent provide nutrition, remove waste, provide immunity Because all the nutrition is supplied through placenta to baby |
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| 45922. |
Explain why electric power is transmitted at high voltages and low currents to distant places. |
| Answer» | |
| 45923. |
Name the physical phenomenon by which exchange of gases occur between plant body and atmosphere. |
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Answer» Diffusion Photosynthesis,In some plant diffusion also take place Photosynthesis |
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| 45924. |
What is the ratio of f1 generation while crossing pure peas plant |
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Answer» Bhaiyo aur baheno f1 generation ka proper answer batao In f2 generAtions. 3:1 Thanks , But I am asking for f1 generation 3:1 4Tall:Oshort 3:1 |
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| 45925. |
What happens at the synapse between two neurons?? |
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Answer» The chemical released by axonal end travell to dendritic tip of next neuron Electrical signal change into chemical due to presence of neurotransmitters Msg transfer in chemicaly to another axon |
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| 45926. |
Name different parts of a flower that has germ cell |
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Answer» Polen grains and ovules pollen grain and ovary |
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| 45927. |
Is there any easy way to memorise reactivity series...? |
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Answer» Always wlcm..any problem just ask Thanxx amrit.. Just solve some displacement rect. Problems.. Ok Read reactivity series daily |
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| 45928. |
How is magnification of mirror related to their focal length |
| Answer» | |
| 45929. |
What is mithoic |
| Answer» | |
| 45930. |
Which hormone is called stress hormone and why? |
| Answer» Cortisol | |
| 45931. |
What is cinnabar ? .related to chemistry. |
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Answer» HgS Cinnabar is an ore of mercury |
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| 45932. |
What is regeneration and fragmentation ? |
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Answer» I think diffusion occure only unicellular Regeneration:- when an organism divides due to any reasons the special cells in them starts proliferating and the mass of cell changesin diffrent cell after suitable time.Fragmentation:- when an organs became mature it decided into several pieces and devlop into several organism Diffusion is spreading and fragmentation is the process breaking down Then,diffusion and fragments are same?Because in both broke in to new progeny Ability to give rise to new individual organisms from their body part is regeneration. In fragmentation the parent is broken down into fragments to form new individuals. When the body of a organism divides into parts to form new ones is called fragmentation. |
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| 45933. |
What is micropropagation technique? |
| Answer» | |
| 45934. |
How much percentage is required in class 10 to get science strean |
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Answer» Sb school aur college ke alag hote hai mostly 85% |
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| 45935. |
Blocking vas deferens prevents pregnancy. Give reason |
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Answer» It prevent the sperm to enter out...But not pregnancy for this use tubectomy method to prevent pregnancy So that sperm does not get injected in ****** of female |
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| 45936. |
Why inert gas is filled in bulb |
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Answer» Increases the temperature and thus heats tungsten wire Yes So that corrosion is prevented |
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| 45937. |
What is blood pressure??? |
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Answer» Pressure of blood in blood vessels Pressure of blood in blood vessels |
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| 45938. |
Name a device that helps to maintain a potential difference across a conductor |
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Answer» Voltmeter Cell Battery Voltmeter Voltmeter |
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| 45939. |
What is electric current in one word or in one line |
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Answer» It is a flow of electrons In 1 word Shock Flow of electrons Flow of charge in conductor flow of charge |
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| 45940. |
What is indocrine gland? |
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Answer» It\'s not indocrine it is endocrine Ductless gland Riddhi tum kya kehna chahti thi neeche..? |
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| 45941. |
Where stomach is present in human body ? Also write its function. |
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Answer» Middle abdominal area.Digest food ????????...ye v nahi pata... ?????? So easy 7th class ka h |
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| 45942. |
Who wrote fire and ice |
| Answer» Robert Frost | |
| 45943. |
Ph related application |
| Answer» Univarsal indiacator. | |
| 45944. |
Fourt. Class. Questions |
| Answer» | |
| 45945. |
What is meant by thermal power |
| Answer» Energy is produce by burning coal. | |
| 45946. |
Refractive index of Gold |
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Answer» Ayush sekhar only. Upar post dekhoo. Nothing is impossible !! ? it also refracts ....pure gold# It is opaque bro? Ye janna jruri bhi nhi tha 0.188-1.937 Gold cannot refract anything as it is opaque so it\'s refractive index is zero |
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| 45947. |
Write the IUPAC name of HCOOH |
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Answer» Carboxylic acud Methanoic acid Methanoic acid and formic acid Methanoic acid Methanoic acid and common name acetic acid |
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| 45948. |
What is tincture of alcohol? |
| Answer» Alcohol made of herbal part which we take into mouth | |
| 45949. |
What is the range of human eye in mega pixel?? |
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Answer» 720 My pleasure #aditi Thnx ayush ? Ans. It guyzz 576 mp |
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| 45950. |
Heya..... Koi h:) |
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Answer» Lakshay ke bachhe apni aukat me baat karo ???stupid Bolobeta Ji ham h?????????? Hlo Yes Teri maa Hii aditi Yes ask ? |
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