Class 10 Science - Chapter Life Processes NCERT Solutions | The breakdown of pyruvate to give carbon

Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?

How is the amount of urine produced regulated?

What are the different ways in which glucose is oxidised to provide energy in various organisms?

What criteria do we use to decide whether something is alive?

What are the differences between autotrophic nutrition and heterotrophic nutrition?

What are the components of the transport system in highly organised plants?

What are outside raw materials used for by an organism?

What would be the consequences of a deficiency of haemoglobin in our bodies?

What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

Where do plants get each of the raw materials required for photosynthesis?

Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.

What is a good source of energy?

What are trophic levels? Give an example of a food chain and state the different trophic levels in it.

What changes can you make in your habits to become more environment-friendly?

What is the difference between a reflex action and walking?

What is the importance of DNA copying in reproduction?

If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Why should a magnesium ribbon be cleared before burning in air?

Define the principal focus of a concave mirror.

You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution, respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?

How is the concentration of hydronium ions (H₃O⁺) affected when a solution of an acid is diluted?

Name the sodium compound which is used for softening hard water.

How does the embryo get nourishment inside the mother’s body?

An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.

Why is sodium kept immersed in kerosene oil?

Why do you think that there should be equitable distribution of resources? What forces would be working against an equitable distribution of our resources?

What are alloys?

What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem?

How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?

What is the difference between displacement and double displacement reactions? Write equations for these reactions.