Q. No.Most of the aquatic arthropods respire through:
1. diffusion over entire body surface
2. gills
3. tracheae and tracheoles
4. skin
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
1. 2nd thoracic vertebra
2. 3rd thoracic vertebra
3. 5th thoracic vertebra
4. 12th thoracic vertebra
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Consider the following two statements:
| I: | The lungs are situated in the thoracic chamber which is anatomically an air-tight chamber. |
| II: | This arrangement is essential as we cannot directly alter the thoracic volume. |
| 1. | Both I and II are correct and II correctly explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct and II is incorrect |
| 4. | Both I and II are incorrect |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Regarding pulmonary capacities, the maximum volume of air a person can breathe in after a forced expiration can also be defined as:
| 1. | Total volume of air a person can inspire or expire after a normal inspiration or expiration |
| 2. | Volume of air that will remain in the lungs after a normal expiration |
| 3. | Maximum volume of air a person can breathe out after a forced inspiration |
| 4. | Total volume of air accommodated in the lungs at the end of a forced inspiration |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following will not be equal in normal physiological conditions?
| 1. | Partial pressure of oxygen in deoxygenated blood and partial pressure of oxygen in tissues |
| 2. | Partial pressure of carbon dioxide in alveoli and partial pressure of carbon dioxide in oxygenated blood |
| 3. | Partial pressure of oxygen in oxygenated blood and partial pressure of oxygen in alveoli |
| 4. | Partial pressure of carbon dioxide in tissues and partial pressure of carbon dioxide in deoxygenated blood |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The binding of oxygen with hemoglobin is primarily related to:
| 1. | Partial pressure of carbon dioxide |
| 2. | Partial pressure of oxygen |
| 3. | H+ ion concentration in body fluids |
| 4. | Presence of 2,3-DPG in erythrocytes |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Under normal physiological conditions, what amount of oxygen is delivered to the tissues?
| 1. | 4 ml | 2. | 5 ml |
| 3. | 15 ml | 4. | 20 ml |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Identify the incorrect statement regarding the enzyme carbonic anhydrase:
| 1. | RBCs contain a very high concentration of this enzyme |
| 2. | The enzyme is absent in the plasma |
| 3. | It facilitates the reaction catalyzed in both directions |
| 4. | It is a metalloenzyme |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Pneumotaxic center:
| 1. | moderates the function of the rhythm center |
| 2. | establishes the respiratory rhythm |
| 3. | is located in medulla oblongata |
| 4. | reduces the duration of expiration and thereby alters the respiratory rate |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Pulmonary fibrosis is a pathological hallmark of:
1. Chronic obstructive lung disease
2. Bronchial asthma
3. Viral Pneumonia in children
4. Occupational lung diseases
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
© 2025 GoodEd Technologies Pvt. Ltd.