A. Contractile vacuole B. Nephridium C. Flame cell D. Malplghlan tubule E. Kidney Correct Answer: Option C - Flame cell
A. air sac B. trachea C. lung book D. lung E. gill Correct Answer: Option B - trachea
A. concentration gradient across the respiratory surface B. concentration gradient across the respiratory surface B. presence of thin membrane as…
A. Pulmonary vein B. Anterior vena cava C. Pulmonary artery D. Aorta E. Posterior vena cava Correct Answer: Option A…
A. nitrogen cycle B. nitrogen fixation C. denitrification D. putrefaction E. decomposition Correct Answer: Option B - nitrogen fixation
A. There is an excess of potassium ions inside the axon and an excess of sodium ions outside B. The…
A. Zinc B. Carbon C. Hydrogen D. Potassium E. Calcium Correct Answer: Option A - Zinc
A. Pairing B. Display C. Seasonal migration D. Hibernation E. Territorialism. Correct Answer: Option D - Hibernation
A. ampullae B. taste bud C. nerve cells D. somatic cells E. tactile cells Correct Answer: Option B - taste…
A. loop of Henle B. renal vein C. Bowman’s capsule D. pelvis E. pyramid Correct Answer: Option C - Bowman’s…