Question

Name the hormone secreted by thyroid. what is its function ? why is the use of iodised salt advisable

Answer 1

thyroxine is the hormone secreted by thyroid gland . its function is to regulate carbobydrates protiens and fat metabolism in the body. iodised salt is adviced bcoz thyroxine works only in the presence of iodine. the disease caused by the deficiency of iodine is goitre and its major symptom is swollen neck

Answer 2

no, this plant will not stay healthy for long. the plant will start dying because:--

• stomata gets blocked and no exchange of gases take place.

• no intake of carbon dioxide for photosynthesis and oxygen for respiration.
• no transpiration and hence water transportation will be affected.