Questions
Respiration during hibernation occurs through
- external gills
- lungs and buccopharyngeal cavity
- moist skin
- external gills and lungs
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Which of the following types of respiration yields lesser amount of energy?
- Anaerobic respiration
- Aerobic respiration
- Both of these
- None of these
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Lungs are the massive paired structures whose main function is the exchange of gases. Some amount of air is always present as residual air in which part of the lungs?
- Alveoli
- Bronchus
- Nostrils
- Trachea
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What is the ratio of volume of carbon dioxide produced to the volume of oxygen consumed called?
- Respiratory quotient
- Tidal volume
- Total lung capacity
- Respiartory volume
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According to the phenomena of conservation of energy, all forms of energy are inter convertible. Which form of energy is primarily used in respiration?
- Chemical
- Electrical
- Radiant
- Mechanical
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Every vital organ is usually covered by a protective covering. Lungs are also covered by a protective outer covering known as
- pericardium
- pleura
- periosteum
- perichondrium
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RBCs have the quality to change themselves according to the surrounding conditions. When a person ascends to high altitudes, what changes occur in red blood cells?
- Increase in size
- Increase in number
- Decrease in size
- Decrease in number
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The exhaust released from the automobiles causes various respiratory diseases. The main culprit present in it is
- carbon monoxide
- methane
- chlorine
- nitrogen dioxide
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Respiratory pigments are present in the blood to help in the transport of gases like carbon dioxide and oxygen. Which pigment is present in a frog?
- Haemoglobin
- Cytochrome
- Hemocyanin
- None of these
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Which of the following diseases does not involve lungs?
- Asthma
- Whooping cough
- Common cold
- Pneumonia
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Presence of gills in the tadpoles of frogs indicates that
- fishes have evolved from frog like ancestors
- frogs will have gills in the future
- frogs have evolved from gilled ancestors
- fishes were amphibians in the past
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Gills are the structures present in aquatic animals for respiration. Respiration through gills is known as
- cutaneous respiration
- buccopharyngeal respiration
- branchial respiration
- pulmonary respiration
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Various animals have different respiration capacities and mechanisms. In which of the following does anaerobic respiration occur?
- Plants
- Animals
- Protozoa
- Yeast
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Why do fishes in an aquarium thrive better if green plants are growing there?
- As they inhale oxygen released by green plants
- As they inhale carbon dioxide released by green plants
- They can feed on green plants.
- They provide a nice ambience.
Which statement is true about buccopharyngeal respiration in frogs?
- It is increased when nostrils are closed.
- It stops when there is pulmonary respiration.
- It is increased when it is catching fly.
- It stops when the mouth is opened.