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Questions and Answers
What is the reason we usually do not see bright colours in dim light?
What is the reason we usually do not see bright colours in dim light?
- The optic nerve cannot transmit signals for bright colours in dim light
- Rods cannot make the fine distinctions of bright colours in dim light (correct)
- Cones contain pigment 'rhodopsin' which cannot detect bright colours in dim light
- The lens of the eye cannot focus on bright colours in dim light
What happens if the wax layer in the ear is removed too often?
What happens if the wax layer in the ear is removed too often?
- It improves hearing ability
- It helps in balancing the pressure in the ear
- It prevents the formation of pus in the ear
- It may raise the incidence of ear infection (correct)
What helps to keep the ear canal lubricated and prevent the entry of dust and particles?
What helps to keep the ear canal lubricated and prevent the entry of dust and particles?
- Auditory Meatus
- Tympanic membrane
- Wax producing ceruminous glands and oil producing sebaceous glands (correct)
- Eustachian tube
What causes the loss of taste of food during severe cough and cold?
What causes the loss of taste of food during severe cough and cold?
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Which cells in the eye contain the pigment 'rhodopsin' and detect low intensity of light at night?
Which cells in the eye contain the pigment 'rhodopsin' and detect low intensity of light at night?
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