Physiological Barriers to effective listening are -OptionsAll the abovehearing problemstemperaturesmoke

The question seems to be asking about the physiological barriers to effective listening. Physiological barriers are physical factors that hinder effective communication. Here are the options provided:

1. All the above
2. Hearing problems
3. Temperature
4. Smoke

Let's break down each option:

1. Hearing problems: This is a physiological barrier to effective listening. If someone has difficulty hearing, they may not be able to fully understand or process what is being said.

2. Temperature: This could potentially be a physiological barrier to effective listening. If the temperature is too hot or too cold, it could make someone uncomfortable and distract them from listening effectively.

3. Smoke: This could also potentially be a physiological barrier. If there is smoke in the environment, it could cause discomfort or health issues that distract from effective listening.

Given these explanations, the answer would be "All the above" as all these factors can potentially act as physiological barriers to effective listening.