Rickets
What will be an ideal response?
Osteomalacia of children. Results in bowed legs and other bone deformities because bone ends are enlarged and abnormally long. Cause is vitamin D deficiency and insufficient dietary calcium.
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Which of the following vectors transmit scrub typhus?
a. Lice b. Ticks c. Fleas d. Chiggers
What is the term for a fungus cell that has two genetically distinct types of nuclei?
a. diploid b. haploid c. mitotic d. dikaryotic e. monokaryotic
Which of the following statement is not correct in context with the thyroid gland?
A. It secretes two iodine-containing amines. B. Thyroid hormone decreases the metabolic activity of cells throughout the body. C. Low blood concentration of thyroid hormone causes the hypothalamus to secrete thyroid-releasing hormone (TRH). D. Thyroid-releasing hormone causes the anterior pituitary to secrete thyroid-stimulating hormone (TSH). E. TSH stimulates the secretion of thyroid hormone.
Upon observing the 12 types of finches he encountered on the Galápagos Islands, Charles Darwin knew immediately that they were closely related.
a. true b. false