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Hint: Jacobson’s organ is a chemoreception organ. It is present at the roof of the mouth. It helps the animal to detect even the traces of chemicals.
Complete Answer:
- Jacobson’s organ is named after a Danish physician Ludwig Jacobson who discovered it in the year 1813. It is also known as a vomeronasal organ.
- It is the chemoreceptor organ and is an accessory olfactory system. It is found in pairs in the nasal cavity just above the roof of the mouth. It is present in amphibians, reptiles, and mammals.
- It is present as a patch of sensory cells inside the nasal cavity which helps in detecting odour particles. The receptors detect specific non-volatile liquid organic compounds present in the environment.
- This organ is useful in communicating chemical messages like readiness for sexual activity by detecting pheromones, hunt prey. This organ also sends chemical signals for aggression or territoriality.
Thus the correct answer is (B) Jacobson’s organ is connected with smell.
Additional Information: Jacobson’s organ is a vestigial organ in human beings. It is well developed in snakes, elephants, turtles, cats, dogs etc. Snakes use this organ to sense prey.
Note: Jacobson’s organ is an olfactory chemoreceptor organ. It helps the animal to smell sex pheromones, or help to hunt its prey. It is present as a vestigial organ in human beings.
Complete Answer:
- Jacobson’s organ is named after a Danish physician Ludwig Jacobson who discovered it in the year 1813. It is also known as a vomeronasal organ.
- It is the chemoreceptor organ and is an accessory olfactory system. It is found in pairs in the nasal cavity just above the roof of the mouth. It is present in amphibians, reptiles, and mammals.
- It is present as a patch of sensory cells inside the nasal cavity which helps in detecting odour particles. The receptors detect specific non-volatile liquid organic compounds present in the environment.
- This organ is useful in communicating chemical messages like readiness for sexual activity by detecting pheromones, hunt prey. This organ also sends chemical signals for aggression or territoriality.
Thus the correct answer is (B) Jacobson’s organ is connected with smell.
Additional Information: Jacobson’s organ is a vestigial organ in human beings. It is well developed in snakes, elephants, turtles, cats, dogs etc. Snakes use this organ to sense prey.
Note: Jacobson’s organ is an olfactory chemoreceptor organ. It helps the animal to smell sex pheromones, or help to hunt its prey. It is present as a vestigial organ in human beings.
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