37. The cells which allow us to distinguish different colors are _____.
(A) cones
(B) rods
(C) both cones and rods
(D) only certain rods
(E) none of the above

33. Which of the following statements concerning excretory system is FALSE? (A) Urea can be processed by filtration, reabsorption, and secretion during the process of urine formation. (B) Kidney contributes pH balance in body fluid. (C) Ascend limb of the loop of Henle is the site for reabsorption of water. (D) Proximal tubule is the major site for reabsorption of nutrients. (E) The final concentration of the urine is determined in the collecting duct.

34. The plant hormone that inhibits growth and promotes leaf senescence is _____. (A) abscisic acid (B) auxin (C) cytokinin (D) gibberellin (E) strigolactone

35. Which of the following elements is NOT macronutrients for plants? (A) potassium (B) phosphorus (C) calcium (D) manganese (E) sulfur

36. Pores on the leaf surface that function in gas exchange are called _____. (A) xylem cells (B) stomata (C) phloem cells (D) cuticle (E) upper epidermis

38. Which function is NOT controlled by parasympathetic nervous system? (A) stimulates salivary gland secretion (B) stimulates activity of pancreas (C) stimulates gallbladder (D) stimulates adrenal medulla (E) stimulate activity of intestine

39. The particular sequence in the template strand of DNA is 5' AGTAAT 3'. The corresponding sequence for the mRNA transcribed is _____. (A) 3’ AUUACU 5’ (B) 3’ UGAUUA 5’ (C) 3’ AGUAAU 5’ (D) 3’ UAAUGA 5’ (E) 3’ UCAUUA 5’

40. At which phase is centrioles beginning to duplicate in animal cells? (A) interphase (B) prophase (C) metaphase (D) anaphase (E) telophase

41. During strenuous exercise, lactic acid is produced by human muscles because of an insufficiency of _____. (A) NADH (B) NAD (C) ADP (D) oxygen (E) glucose

42. In _____, a cell engulfs a particle by wrapping pseudopodia. (A) receptor-mediated endocytosis (B) phagocytosis (C) pinocytosis (D) exocytosis (E) osmosis

43. If one parent has the blood genotype A i and the other parent has the blood genotype B i, what (is, are) all the possible blood type(s) of their children? (A) A, O (B) B, O (C) A, B (D) A, B, O (E) A, B, AB, O