Question Answers: NCERT Class 10 Science
Welcome to the Chapter - , Class 10 Science - NCERT Solutions page. Here, we provide detailed question answers for Chapter - .The page is designed to help students gain a thorough understanding of the concepts related to natural resources, their classification, and sustainable development.
Our solutions explain each answer in a simple and comprehensive way, making it easier for students to grasp key topics and excel in their exams. By going through these question answers, you can strengthen your foundation and improve your performance in Class 10 Science. Whether you're revising or preparing for tests, this chapter-wise guide will serve as an invaluable resource.
Key Features of NCERT Class 10 Science Chapter '' question answers :
- All chapter question answers with detailed explanations.
- Simple language for easy comprehension.
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- Perfect for exam preparation and revision.
Popular Questions of Class 10 Science
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When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.
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Outline a project which aims to find the dominant coat colour in dogs.
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Draw the structure for the following compounds.
(i) Ethanoic acid (ii) Bromopentane*
(iii) Butanone (iv) Hexanal.*Are structural isomers possible for bromopentane?
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A hot plate of an electric oven connected to a 220 V line has two resistance coils A and B, each of 24 Ω resistance, which may be used separately, in series, or in parallel. What are the currents in the three cases?
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How is the sex of the child determined in human beings?
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(a) What property do all elements in the same column of the Periodic Table as boron have in common?
(b) What property do all elements in the same column of the Periodic Table as fluorine have in common? - Q:-
Calculate the number of electrons constituting one coulomb of charge.
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A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant? Why or why not?
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What is an homologous series? Explain with an example.
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Why is variation beneficial to the species but not necessarily for the individual?
Recently Viewed Questions of Class 10 Science
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How are the alveoli designed to maximise the exchange of gases?
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Why should we conserve forests and wildlife?
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How has the traditional use of wind and water energy been modified for our convenience?
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Balance the following chemical equations.
(a) HNO3 + Ca(OH)2 → Ca(NO3)2 + H2O
(b) NaOH + H2SO4 → Na2SO4 + H2O
(c) NaCl + AgNO3 → AgCl + NaNO3
(d) BaCl2 + H2SO4 → BaSO4 + HCl - Q:-
What would be the consequences of a deficiency of haemoglobin in our bodies?
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You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table 10.3.
Material
mediumRefractive
indexMaterial
mediumRefractive
indexAir 1.0003 Canada
Balsam1.53 Ice 1.31 Water 1.33 Rock salt 1.54 Alcohol 1.36 Kerosene 1.44 Carbon
disulphide1.63 Fused
quartz1.46 Turpentine
oil1.47 Ruby 1.71 Benzene 1.50 Sapphire 1.77 Crown
glass1.52 Diamond 2.42 - Q:-
Give an example of a metal which
(i) is a liquid at room temperature.
(ii) can be easily cut with a knife.
(iii) is the best conductor of heat.
(iv) is a poor conductor of heat. - Q:-
Name
(a) three elements that have a single electron in their outermost shells.
(b) two elements that have two electrons in their outermost shells.
(c) three elements with filled outermost shells. - Q:-
Which signals will get disrupted in case of a spinal cord injury?
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Describe the structure and functioning of nephrons.
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