Question : During hibernation state, the frog respires through which of the following?
Option 1: Only heart
Option 2: Only lungs
Option 3: Only skin
Option 4: Both lungs and skin
Correct Answer: Only skin
Solution : The correct option is Only skin
Frogs and other amphibians exchange gases through their skins during hibernation, including carbon dioxide and oxygen. Because of their porous skin, which enables them to collect and release gases directly from their surroundings, they can maintain minimum respiration even when their metabolic activity is substantially reduced. Amphibians, including toads, can live because of this adaptation, which causes their other physiological processes to slow down during hibernation.
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Question : Which of the following brings back deoxygenated blood from different parts of the human body to the heart?
Option 1: Veins
Option 2: Arteries
Option 3: Nerves
Option 4: Lungs
Question : Leukaemia is a cancer of the:
Option 1: Lungs
Option 2: Uterus
Option 3: Skin
Option 4: Blood
Question : EEG records the activity of:
Option 1: heart
Option 2: lungs
Option 3: brain
Option 4: muscles
Question : Taxes on professions can be levied by which of the following?
Option 1: State government only
Option 2: Both state and union governments
Option 3: Panchayats only
Option 4: Union government only
Question : Which of the following pairs is incorrect?
I. Crocodile - Reptile
II. Frog - Amphibian
III. Tiger - Reptile
Option 1: I and II
Option 2: I and III
Option 3: Only III
Option 4: Only II
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