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प्रश्न
In cockroaches, air enters the body through:
विकल्प
lungs
gills
spiracles
skin
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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
How are oxygen and carbon dioxide transported in human beings?
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
During respiration, the plants take CO2 and release O2.
Describe the process of respiration in fish.
Describe the process of respiration in the following part of a plant:
Root
Give the main points of difference between respiration in plants and respiration in animals.
What type of repiration takes place in yeast?
Which of the following is correct for the process of anaerobic respiration?
| Carbon dioxide always produced | A lot of energy released | |
| (a) | No | Yes |
| (b) | No | No |
| (c) | Yes | No |
| (d) | Yes | Yes |
The breathing and respiration in woody stem of a plant takes place through:
The photosynthesis in a plant is not taking place during the day time if the plant is releasing:
Which of the following is most likely to have a much higher breathing rate?
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
Choose the odd one out in the following groups of four items each:
Ethyl alcohol, Carbon dioxide, Starch, Oxygen
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
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 _____________.
State one function of the following:
Mitochondria
Which of the following indicates the shift of oxyhaemoglobin dissociation curve due to change in ppC02 in blood?
Observe the figure carefully and answer the following questions.
- Which process is being tested in the activity?
- What is the result of the activity? Give reasons.
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 |
