Root hairs are modifications of which type of cells? MCQ with Answer and Explanation

Explanation:
Ketonuria is the presence of ketone bodies (acetoacetate, beta-hydroxybutyrate, acetone) in urine, resulting from increased fat metabolism due to carbohydrate unavailability in uncontrolled diabetes mellitus. Glycosuria is glucose in urine, proteinuria is protein, hematuria is blood. Ketonuria indicates diabetic ketoacidosis, a medical emergency requiring immediate treatment.

Explanation:
Apiology is the specific branch of zoology dedicated to the scientific study of bees, including their biology, ecology, and behavior. Malacology studies mollusks, myrmecology focuses on ants, and entomology is the broader study of all insects. Exam tip: Remember 'Api' relates to Apis, the genus of honeybees.

Explanation:
Iodine is essential for synthesis of thyroxine (T₄) and triiodothyronine (T₃). Deficiency leads to enlargement of the thyroid gland, known as goiter, as the gland tries to compensate. Anemia is due to iron deficiency, rickets to vitamin D deficiency, scurvy to vitamin C deficiency. Iodized salt is a public health measure to prevent goiter.