Advertisements
Advertisements
Question
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
Advertisements
Solution
False.
Aquatic animals breathe at a faster rate than terrestrial animals.
APPEARS IN
RELATED QUESTIONS
How are oxygen and carbon dioxide transported in human beings?
Name two animals which breathe through gills.
Name the red pigment which carries oxygen in blood.
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
“Respiration is a vital function of the body”. Justify this statement.
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 ______.
|
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick. |
- What could be (i) X, (ii) Y, and (iii) Z?
- What is the process of converting sugar into substance Y by the action of X known as?
- What type of respiration is exhibited by X in the above process?
An animal in which the oxygenation of blood does not take place in the lungs is ______.
| There is a pair of bean-shaped organs P in the human body towards the back, just above the waist. A waste product Q formed by the decomposition of unused proteins in the liver is brought into organ P through blood by an artery R. The numerous tiny filters S present in organ P clean the dirty blood by removing the waste product Q. The clean blood goes into circulation through a vein T. The waste substance Q, other waste salts, and excess water form a yellowish liquid U which goes from organ P into a bag-like structure V through two tubes W. This liquid is then thrown out of the body through a tube X. |
- What is (i) organ P, and (ii) waste substance Q?
- Name (i) artery R, and (ii) vein T.
- What are tiny filters S known as?
- Name (i) liquid U (ii) structure V (iii) tubes W, and (iv) tube X.
Answer this question.
Name the organ of respiration in fishes.
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Diaphragm and _____________.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
Why is respiration essential for life?
Name the organs that bring about respiration.
Respiration refers to ____________.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
