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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.
| 3351. |
How twins are born? |
| Answer» When two zygotes are formed | |
| 3352. |
What is RNA? |
| Answer» RNA (Ribonucleic acid) is a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.Ribonucleic acid is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes. | |
| 3353. |
Who many horizontal |
| Answer» | |
| 3354. |
Theory of Mendeleev and limitations |
| Answer» | |
| 3355. |
Who discovered proton and neutron |
| Answer» Rutherford and chadwick | |
| 3356. |
what is a sonar..? |
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Answer» Sonar stands for Sound Navigation And Ranging Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.It is a system for the detection of objects under water by emitting sound pulses and detecting or measuring their return after being reflected. |
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| 3357. |
What is the Sl unit of magnetic field strength? |
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Answer» Magnetic field strength H is a physical quantity used as one of the basic measures of the intensity of magnetic field. The unit of magnetic field strength is ampere per metre or A/m. Tesla |
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| 3358. |
Caco3=cao+co2 oxidation and reduction |
| Answer» | |
| 3359. |
What is ketones and nomenclature ? for example |
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Answer» The IUPAC system of nomenclature assigns a characteristic suffix of -one to ketones. A ketone carbonyl function may be located anywhere within a chain or ring, and its position is usually given by a location number. Chain numbering normally starts from the end nearest the carbonyl group. Very simple ketones, such as propanone and phenylethanone do not require a locator number, since there is only one possible site for a ketone carbonyl function. The common names for ketones are formed by naming both alkyl groups attached to the carbonyl then adding the suffix -ketone. The attached alkyl groups are arranged in the name alphabetically.\xa0Ketone Nomenclature rules:-Ketones take their name from their parent alkane chains. The ending -e is removed and replaced with -one.The common name for ketones are simply the substituent groups listed alphabetically + ketone.Some common ketones are known by their generic names. Such as the fact that propanone is commonly referred to as acetone. Ketones are the functional group and it hasc=o and nomenclature mean the set of particular thing |
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| 3360. |
Name a nonmetal |
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Answer» Sulphur Oxygen . |
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| 3361. |
Sin square theta + cos square theta |
| Answer» | |
| 3362. |
What is the formula of methane? |
| Answer» CH4 | |
| 3363. |
What are the key features of speciation |
| Answer» | |
| 3364. |
Soaps are formed by the saponification of |
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Answer» Glycrides is wrong fatty acid is rifht Glycerides |
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| 3365. |
Hello yar... no reply |
| Answer» | |
| 3366. |
Why is the conversions of ethanol to ethanoic acid an oxidation reaction? |
| Answer» | |
| 3367. |
Note on allotropes of carbon. |
| Answer» | |
| 3368. |
Why carbon does not carry either ^+4 or ^-4 valency? Give 4 properties of carbon - |
| Answer» | |
| 3369. |
Why are bubbles formed in the soap solution when hydrogen is passed through it |
| Answer» Due to Michelle formation | |
| 3370. |
Advantages and limitation of tidal energy |
| Answer» It can not be prefer in low tides | |
| 3371. |
Tetra valency means |
| Answer» Which has a valency of four, and is capable of making bonds with four other atoms of any other element | |
| 3372. |
What is meant by isomers ? |
| Answer» | |
| 3373. |
Iu effect of bio magnification |
| Answer» | |
| 3374. |
Ph value of acid |
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Answer» 0 to 6.90 more acidic6.9 less acidic 7 above |
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| 3375. |
What is a Aperture |
| Answer» Aperture of a mirror represents the size of the mirror | |
| 3376. |
Explain genetics |
| Answer» The study that deals with genes | |
| 3377. |
What is the formula for Ethanoic Acid |
| Answer» CH3 COOH | |
| 3378. |
Define chromosomes. |
| Answer» | |
| 3379. |
reaction of sodium hydroxide and cholesterol |
| Answer» | |
| 3380. |
formula of sodium ethanol te. |
| Answer» CH3COONa | |
| 3381. |
What is corolla |
| Answer» Group of petals | |
| 3382. |
Ways to manage resources |
| Answer» Resources can be managed by conserving minimising uses and even using alternatives. | |
| 3383. |
Which device is used to convert solar energy into heat. |
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Answer» Solar thermal collector Solar cooker |
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| 3384. |
Structure of the human eye |
| Answer» | |
| 3385. |
Name one organism each having saprophytic, parasitic and holozoic modes of nutrition? |
| Answer» | |
| 3386. |
Diameter of dna |
| Answer» Height-34\'A\' | |
| 3387. |
Double fertilization |
| Answer» | |
| 3388. |
What are contraceptive methods? Possible reasons for using by contraception by people? |
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Answer» Copper T,condoms, pills This is given in the last page of this chapter |
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| 3389. |
Two advantages of vegetative propogation |
| Answer» 1.Vegetative propagation is useful for plants those have lost the capacity to produce seeds, e.g.,banana,rose,etc.2. All plants produced are genetically similar to the parent plant. | |
| 3390. |
Vegetative propogation with example |
| Answer» Accept flower the parts undergoes asexual reproduction example leaf stem roots etc ... | |
| 3391. |
What is hydrogen molecule |
| Answer» H2 | |
| 3392. |
Fertilisation occurs once in a month . Comment. |
| Answer» Yes | |
| 3393. |
What is ester |
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Answer» When we add ethanol and carboxylic acid together ester is formed Sweet smelling substance |
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| 3394. |
Blood bank of body |
| Answer» Spleen | |
| 3395. |
Why does dry HCl gas not change the colour of dry blue litmus paper |
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Answer» No realse of H+ions Because acid produces H+ ions in its aqueous solution only |
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| 3396. |
Why does the atomic radius decrease on moving left to right along a period |
| Answer» Because nucleus hold it more tightly while moving towards left to right. | |
| 3397. |
Precautions to show a slide of stomata |
| Answer» Do not put much water on glass slab, do not touch the plate,etc. | |
| 3398. |
How will you test for the gas which is liberated when HCl reacts with an active metal. |
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Answer» By taking burning candle near it(Since the gas liberated is hydrogen it will burn with pop sound) By using blue litmus paper the hydrogen release in this reaction is acidic in nature and paper turn into red |
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| 3399. |
Colour of sun |
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Answer» White White but by using a prism it forms a spectrum |
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| 3400. |
Which is colour of sun |
| Answer» | |