32. What is NOT a shared character among vertebrates (the Phylum Chordata)? Note that some characters may disappear in some developmental stages.
(A) Notochord
(B) Ventral heart
(C)Pharyngeal slits
(D) Post-anal tail
(E) Ventral nerve cord 

28. Which one below would lead to speciation? (A) The individuals in this species mate randomly. (B) The gene flow exists among the populations in a species. (C)The females cannot recognize males from sister species. (D) There is geographic barrier between two populations thus the exchanges of individuals were blocked. (E) The population size is small.

29. Which one is the correct sequence of the origins of organisms on earth? (A) Prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates, single-celled eukaryotes. (B) Single-celled eukaryotes, prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates. (C)Prokaryotes, single-celled eukaryotes, multicellular eukaryotes, small invertebrates, vascular plants. (D) Prokaryotes, single-celled eukaryotes, vascular plants, multicellular eukaryotes, small invertebrates. (E) Single-celled eukaryotes, prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates.

30. Which one below is the most likely organism that evolved into chloroplast through the process of endosymbiosis? (A) Cyanobacterium (B) Green alga (C)E. coli (D) Red alga (E) Euglena

31. Where does meiosis take place in an angiosperm? (A) Seeds (B) Fruits (C)Ovule (D) Style (E) Stigma

33. Which one is the most successful group in Arthropods in terms of the number of species? (A) Insects (B) Chelicerates (C)Millipedes (D) Crustaceans (E) Centipedes

34. Which pair of epithelial tissue-human body part is NOT a correct match? (A) Simple squamous epithelium – air sacs of lung (B) Pseudostratified columnar epithelium – skin of the ear canal (C)Stratified squamous epithelium – lining of esophagus (D) Simple cuboidal epithelium – tube of the kidney (E) Simple columnar epithelium – lining of intestines

35. Which combination of digestion enzyme and its target carbohydrates is NOT correctly matched? (A) Pancreatic amylase – polysaccharides (B) Trypsin – polypeptides (C)Chymotrypsin – polysaccharides (D) Nucleases – DNA (E) Bile salts – fat globules

36. About gas transportation in human blood, which one below is a correct description? (A) O2 is transported in blood via bounding to hemocyanin. (B) Hemoglobin is the CO2 carrier in human blood. (C)O2 is transported in plasma. (D) CO2 is transported in red blood cells. (E) CO2 is transported in blood as bicarbonate ions.

37. What is the correct sequence of electrical events in a heartbeat? (A) SA node, atria, AV node, specialized muscle fibers, apex, ventricles. (B) SA node, atria, AV node, apex, specialized muscle fibers, ventricles. (C)Atria, SA node, AV node, specialized muscle fibers, apex, ventricles. (D) SA node, AV node, atria, specialized muscle fibers, apex, ventricles. (E) SA node, atria, specialized muscle fibers, AV node, apex, ventricles.

38. Antihistamine can relief an allergic reaction of human body because antihistamines block the histamine’s action and ___. (A) reduce the number of effector B cells. (B) prevent the generation of antibodies. (C)prevent the inflammatory reaction due to histamines. (D) stimulate the production of antibodies. (E) prevent antigens from binding to antibodies.