Advertisements
Advertisements
Question
During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
Options
effusion
osmosis
diffusion
plasmolysis
Advertisements
Solution
diffusion
Because diffusion is a process in which there is a movement of particles from a region of high concentration to the one with low concentration across the cell membrane.
APPEARS IN
RELATED QUESTIONS
Fill in the blank :
The substances which can flow are called ________
Name the terms for the change of a solid into liquid.
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
Name a non-metal which is a good conductor of electricity.
Name a metal which has a low melting point.
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
Out of a colloid, solution and a suspension :
which one has the largest particles ?
Choose the correct answer.
A 15% alcohol solution means :
How will you test whether a given solution is a colloidal solution ?
How will you differentiate between a suspension and a colloid ?
Define Sol and give one example.
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?
Which of the following represents the solubility of sugar in water at 20°C ?
How is scrap iron separated from a heap of waste materials in factories?
What's the solution?
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
Which among the following ______ will get attracted to by magnet?
Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.
Define the term matter.
Define the term matter.
