The mucus produced by the goblet cells
(a) moistens the incoming air
(b) trap the fine dust particles
(c) filter out large dust particles
(d) warms the incoming air .
(I) a, b , c are correct
(2) only a is correct
(3) b and d are correct
(4) a and c are incorrect
The correct Answer is:A
Step by step video, text & image solution for The mucus produced by the goblet cells (a) moistens the incoming air (b) trap the fine dust particles (c) filter out large dust particles (d) warms the incoming air . by Biology experts to help you in doubts & scoring excellent marks in Class 12 exams.
Similar Questions
Trapped dust particles are pushed out of respiratory tract by
View SolutionTrapped dust particles are pushed out of respiratory tract by
View SolutionThough the dust particles cause air pollution, the presence of dust particles help in sustenance of life. Explain.
View SolutionThough the dust particles cause air pollution, the presence of dust particles help in sustenance of life. Explain.
View SolutionHow are dust particles that enter the respiratory system in the air expelled?
View SolutionWhat types of mixtures are represented by the following ?
(a) Carbon dioxide gas dissolved in water.
(b) Air containing suspended particles.
(c ) Soap bubbles formed by blowing air into soap solution.View SolutionBlue colour of the sky is due to
a. Adsorption of light by dust particles
b. Reflection of light by dust particles
c. Scattering of light by dust particles
d. Pressure of clouds which are a colloidal dispersion of water particles in airView SolutionWhich of the following force is utillised in reducing air pollution by removing dust, soot and fly - ash particles from the smoke coming out of chimneys of factories ?
View SolutionNitrogen oxides produced from the emission of automibiles and power plants are the source of fine air borne particles which lead to:
View SolutionNitrogen oxides produced from the emission of automobiles and power plants are the source of fine air borne particles which lead to
View Solution