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diffusion

Gas Laws

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 5 Comments

Charles Law

Boyle's law The relationship between the volume and pressure of a gas was studied experimentally by Robert Boyle in 1662. He used mercury and a simple  U-tube.The pressure was increased by putting more mercury into the open limb. The volume of the air enclosed in the space above mercury in the shorter limb was noted each time. Boyle's law states that Temperature … [Read more...] about Gas Laws

Transportation in plants

Last Updated on September 25, 2021 By Mrs Shilpi Nagpal 15 Comments

Question 1 Name the two conducting tissues of plants? Question 2 What is the function of transpiration? Question 3 What is transpiration? Question 4 Name the two kinds of cells of xylem? Question 5 Name the various cells through which water moves upwards to reach the leaves? Question 6 What is translocation? Question 7 How does transpiration help in upward … [Read more...] about Transportation in plants

Evidences of particle in matter and their motion

Last Updated on August 19, 2020 By Mrs Shilpi Nagpal Leave a Comment

diffusion

Question 1 What happens when crystal of potassium permanganate is dissolved in water ? Question 2 How will you show that matter us made up of particles ? Question 3 How will you show that particles of matter are in motion ? Evidences of particle in matter and their motion Most of the evidences of particles in matter and their motion comes from the experiments on … [Read more...] about Evidences of particle in matter and their motion

Respiration in Plants

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 6 Comments

Question 1 What is diffusion? Question 2 How does respiration take place in plants? Question 3 How does exchange of gases occur in plants? Respiration in Plants Plants get energy by the process of respiration.All the parts of plant perform respiration individually. The roots of a plant take oxygen required for respiration from the air present in between the … [Read more...] about Respiration in Plants

Cell organelles-plasma membrane

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 5 Comments

Question 1 What are cell organelles? Question 2 What is plasma membrane? Question 3 Why plasma membrane is  called as semi-permeable membrane? Question 4 Define the term diffusion? Question 5 Define osmosis? Question 6 How carbon dioxide and oxygen undergoes diffusion? Question 7 What are hypotonic solution.Give example? Question 8 What are the three major … [Read more...] about Cell organelles-plasma membrane

Diffusion

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal Leave a Comment

Question 1 What is diffusion ? Question 2 Give few examples of diffusion ? Question 3 Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance ? Question 4 Name the process by which a drop of ink spreads in a beaker of water ? Question 5 Out of solid ,liquid and gases which has highest rate of diffusion … [Read more...] about Diffusion

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