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प्रश्न
In cockroaches, air enters the body through:
पर्याय
lungs
gills
spiracles
skin
उत्तर
Spiracles
In insects (such as cockroaches, grasshoppers), tiny holes called spiracles are present on the body. Air enters the body through these holes.
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संबंधित प्रश्न
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Which part of roots is involved in the exchange of respiratory gases?
State whether the following statement is true or false:
during respiration, the plants take CO2 and release O2.
The breathing and respiration in woody stem of a plant takes place through:
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
An organism X having breathing organs A lives on land. When organism X goes underwater, it cannot survive for a long time unless carrying an oxygen cylinder. On the other hand, the organism Y having breathing organs B always lives in water and if taken out of the water, it dies after a short while. A third organism Z having breathing organs C and D which lives on the banks of ponds, lakes, and rivers can survive on land as well as in water equally well.
(a) What could organism X be? Name the breathing organs A.
(b) What could organism Y be? Name the breathing organs B.
(c) What could organism Z be? Name the breathing organs C and D.
(d) Out of X, Y, and Z, which organism is (i) amphibian, (ii) aquatic, and (iii)
terrestrial?
What is the name of tissues which transport:
water and minerals in a plant?
Out of xylem and phloem, which one carries materials upwards as well as downwards?
With which human organ system (or human systems) is alveoli associated?
Answer this question.
What are the holes on the sides of the body of insects called?
Choose the odd one out in each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
State one function of the following:
Diaphragm
Air that enters through the nose passes into this tube.
Respiration refers to ____________.
What is common between extensive network of blood vessels around walls of alveoli and in glomerulus of nephron?
Which of the following equations is the summary of photosynthesis?
How does aerobic respiration differ from anaerobic respiration?
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
