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Q.94 The term innate behavior refers to an animal behavior (A) that is triggered by an environmental change (B) that is taught by the parent (C) that is developmentally fixed […]

Q.93 Which one of the following hormones is INCORRECTLY paired with its function? (A) Melatonin – biological rhythm (B) Glucagon – increases blood glucose levels (C) Prolactin – stimulates milk secretion […]

Q.92 Which one of the following examples represents an adaptation or a physiological activity that DOES NOT minimize the loss of body temperature of animals? (A) Feathers or fur (B) Fat […]

Q.91 In insect’s tracheal system, the transport of oxygen to the target tissue is done by (A) fine branches of air tubes extending to almost every cell (B) a liquid that […]

Q.90 Which of the following is a main symptom of infection by Wuchereria bancrofti? (A) Swelling of limbs (B) Skin rashes (C) Blindness (D) Brain cyst Swelling of limbs is the […]

Q.89 Which one of the following type of immune cells is responsible for graft rejection? (A) B cells (B) T cells (C) Macrophages (D) Eosinophils T cells are responsible for graft […]

Q.88 Extraembryonic tissues are derived from which one of the following? (A) Ectoderm (B) Endoderm (C) Trophectoderm (D) Mesoderm Extraembryonic tissues are derived from the trophectoderm. This outer layer of the blastocyst […]

Q.87 Which one of the following is characteristic of deuterostomes? (A) Radially symmetric body (B) Bilaterally symmetric body (C) Presence of well-defined digestive system (D) Formation of anus from blastopore Deuterostomes […]

Q.86 Which one of the following is an example of eumetazoans? (A) Dictyostelium (B) Hydra (C) Sponges (D) Volvox Hydra is the only eumetazoan among the options, as it belongs to […]

Q.85 Match the pair of organisms in Group 1 with their characteristic interactions in Group 2 Group 1 P. Photoblepharon palpebratus and Vibrio fischeri Q. Pseudomonas and Bdellovibrio R. Aspergillus and […]