A. convex lens B. cylindrical lens C. concave lens D. bifocal lens Correct Answer: Option C C. concave lens
A. regulation of blood sugar B. production of heat C. production of fibrinogen D. production of vitamin Correct Answer: Option…
I. The arterioles in the skin dilate. II. Sweat production is reduced. III. The erector muscles contract. A. I only…
A. Urea B. Ammonia C. Uric acid D. Amino acid Correct Answer: Option B B. Ammonia
A. he volume of the thoracic cavity increases. B. more carbon dioxide is expelled through the nostrils C. the rib…
A. Lungs and spiracles B. Root hair and mammalian hair C. Feathers and scales D. Contractile vacuole and kidney Correct…
A. Energy B. Alcohol C. Lactic acid D. Carbon dioxide Correct Answer: Option C C. Lactic acid
A. Gill slits B. Gill bars C. Gill covers D. Gill filaments Correct Answer: Option D D. Gill filaments
A. Proteins B. Mineral salts C. Water D. Platelets Correct Answer: Option D D. Platelets
A. nutrition B. absorption C. circulation D. translocation Correct Answer: Option D D. translocation