Advertisements
Advertisements
प्रश्न
An animal in which the oxygenation of blood does not take place in the lungs is:
पर्याय
Cow
Fish
Frog
Fox
Advertisements
उत्तर
Fish
Aquatic animals like fish have gills as their respiratory organs. Gills extract oxygen dissolved in water and take away carbon dioxide from the body.
On the other hand, cow, frog, and fox, breathe through the lungs.
APPEARS IN
संबंधित प्रश्न
List the differences between aerobic and anaerobic respiration.
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
The mountaineers carry oxygen with them because ______.
Which part of roots is involved in the exchange of respiratory gases?
What is meant by aquatic animals and terrestrial animals?
Internal respiration may be defined as:
Which of the following is the correct sequence of air passage during inhalation?
(a) nostrils → larynx → pharynx → trachea → lungs
(b) nasal passage → trachea → pharynx → larynx → alveoli
(c) larynx → nostrils → pharynx → lungs
(d) nostrils → pharynx → larynx → trachea → alevoli
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
One of the following organisms does not depend on the simple diffusion of gases for breathing and respiration. This organism is:
Out of xylem and phloem, which one carries materials only upwards?
Answer this question.
Name the organ of respiration in fishes.
Tick the most appropriate answer.
The products of respiration are :
Differentiate between
External respiration and Internal respiration
How is the respiratory passage kept free of dust particles?
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
Air that enters through the nose passes into this tube.
How much percent of C02 is transported in a dissolved form as carbonic acid?
During the process of exhalation, the ribs move ______.
With the reference to four gases CO2, CO, Cl2 and O2, which one of the options in the table is correct?
