Zoology Practice Test || Zoology Exam Questions (41-50) || Zoology MCQ

Biology & Environmental Science Quiz

41. In the context of Environmental Impact Assessment (EIA), which statement is true?

A) EIA is only required for large-scale construction projects. B) EIA involves public participation and stakeholder engagement. C) EIA guarantees that all environmental impacts will be mitigated. D) EIA is not necessary for projects with minimal environmental impact.

42. Euchromatin is characterized by:

A) Densely packed DNA B) Active gene transcription C) Inactive genes D) Visible during cell division

43. Biological magnification is the:

A) Increase in the population of species B) Accumulation of toxic substances in the higher trophic levels of the food chain C) Magnification of species' roles in ecosystems D) Increase in energy at each trophic level

44. In an energy pyramid, which level contains the most energy?

A) Primary consumers B) Secondary consumers C) Tertiary consumers D) Producers

45. What is an ecotone?

A) A distinct zone of high biodiversity B) A transition area between two biomes C) An area with a single species of vegetation D) The climax community of an ecosystem

46. Which organelle is involved in modifying, sorting, and packaging proteins for secretion?

A) Mitochondria B) Golgi apparatus C) Ribosome D) Lysosome

47. What structure forms during the cytokinesis of animal cells?

A) Cell plate B) Cleavage furrow C) Spindle fibers D) Nuclear envelope

48. The type of immunity characterized by the presence of antibodies acquired through vaccination:

A) Innate immunity B) Passive immunity C) Active immunity D) Natural immunity

49. Which of the following describes the role of the complement system in the immune response?

A) It produces antibodies. B) It enhances phagocytosis and causes lysis of pathogens. C) It activates T cells. D) It is involved in the production of hormones.

50. In experimental embryology, constriction experiments are primarily used to study the:

A) Effects of environmental factors on development B) Mechanisms of cell communication C) Effects of physical forces on embryo formation D) Process of gene regulation

Your Results: