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प्रश्न
Mention any two components of blood.
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उत्तर
The two components of blood are blood corpuscles (cells) and plasma.
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संबंधित प्रश्न
Name the type of respiration in which the end product is:
Lactic acid
Give one example where such a respiration can occur.
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
One of the following animals does not use tracheae as the respiratory organs. This animal is:
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
State one function of the following:
Pleural fluid
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
Visit a local doctor. Learn about the harmful effects of smoking. You can also collect material on this topic from other sources. You can seek help of your teacher or parents. Find out the percentage of people of your area who smoke. If you have a smoker in your family, confront him with the material that you have collected.
