Health hazards associated with sericulture are conditions or risks that can negatively impact the health of individuals involved in the process of silk production. These hazards can arise from various aspects of sericulture, including handling of silk worms, exposure to chemicals, and working conditions. It is important to identify and mitigate these hazards to ensure the well-being of workers in the sericulture industry.

The correct answer to the question is option 'D', which states that eye strain is not a health hazard associated with sericulture. Eye strain refers to the discomfort or fatigue experienced in the eyes due to prolonged or intense use. While it is possible for individuals involved in sericulture to experience eye strain due to extended hours of focused work or inadequate lighting, it is not directly caused by the specific activities or materials used in sericulture.

Now let's take a closer look at the other options and the health hazards they represent:

a) Respiratory problems: Sericulture involves the handling of silk worms and cocoons, which can release fine particles and fibers into the air. These particles can be inhaled and may lead to respiratory problems such as coughing, wheezing, and difficulty breathing. Dust masks or proper ventilation can help reduce the risk of respiratory issues.

b) Skin irritation: Contact with silk fibers, cocoons, or chemicals used in sericulture can cause skin irritation, itching, or rashes. This can be particularly problematic for individuals with sensitive skin or allergies. Wearing protective gloves and clothing, as well as using suitable skincare products, can help minimize skin irritation.

c) Hearing loss: Sericulture often involves the use of machinery, such as reeling machines or silk spinning devices, which can generate high levels of noise. Prolonged exposure to loud noise can lead to hearing loss or other hearing-related problems. Wearing ear protection, such as earmuffs or earplugs, can help prevent hearing damage.

In conclusion, eye strain is not a health hazard associated with sericulture. However, respiratory problems, skin irritation, and hearing loss are potential health hazards that individuals involved in sericulture should be aware of and take appropriate precautions to prevent.