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प्रश्न
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
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उत्तर
False.
Aquatic animals breathe at a faster rate than terrestrial animals.
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संबंधित प्रश्न
What are the different ways in which glucose is oxidized to provide energy in various organisms?
How are the lungs designed in human beings to maximize the area for exchange of gases?
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction − upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.
- The air tubes of insects
- Skeletal structures surrounding chest cavity
- Muscular floor of chest cavity
- Tiny pores on the surface of leaf
- Small openings on the sides of the body of an insect
- The respiratory organs of human beings
- The openings through which we inhale
- An anaerobic organism
- An organism with tracheal system
Trace the movement of oxygenated blood in the body.
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.
Which of the following increases in muscle cells when they are lacking in oxygen?
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
An animal in which the oxygenation of blood does not take place in the lungs is:
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
Match the items in Column A with those in Column B.
|
Column A |
Column B |
|
Cartilaginous |
Epiglottis |
|
Large surface area |
Diaphragm |
|
Breathing movements |
Bronchi |
|
Voice |
Alveoli |
|
Complemental air |
Larynx |
|
Swallowing |
Extra inhalation |
Answer the following question.
In the experimental set up to show that "CO2 is given out during respiration", name the substance taken in the small test tube kept in the conical flask. State its function and the consequence of its use.
Answer the following question.
A gas is released during photosynthesis. Name the gas and also state the way by which the gas is evolved.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
What is the ppCO2 in alveolar air?
Name the energy currency in the living organisms. When and where is it produced?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
Exchange of gases in the leaves takes place with the help of ______.
