Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 611: A state in Nigeria that is most susceptible to desert encroachment is Options:
  A) Kwara
  B) Taraba
  C) Kaduna
  D) Katsina
  Show Answer
  The correct answer is D .
• Question 612: The wings of a bat and those of a bird are examples of Options:
  A) convergent evolution
  B) continuous variation
  C) coevolution
  D) divergent evolution
  Show Answer
  The correct answer is A .
• Question 613: In most true ferns sporangia are grouped into Options:
  A) indusium
  B) fronds
  C) prothalli
  D) sari
  Show Answer
  The correct answer is D .
• Question 614: Growing yam tendrils climb for support. This growth response is Options:
  A) haptotropism
  B) geotropism
  C) phototropism
  D) hydrotropism
  E) chemotropism
  Show Answer
  The correct answer is A .
• Question 615: One of adaptation of Cactus opuntia to conserve water is the reduction of Options:
  A) internodes
  B) stem to leaves
  C) leaves to spine
  D) flower size
  Show Answer
  The correct answer is C .
• Question 616: In which of the following biomes is the south western part of Nigeria located? Options:
  A) Temperate forest
  B) Tropical rainforest
  C) Tropical woodland
  D) Desert
  Show Answer
  The correct answer is B .
• Question 617:

  Which of the following is the primary organ involved in gas exchange during respiration in humans?

  Options:
  A) Diaphragm
  B) Bronchi
  C) Lungs
  D) Trachea
  Show Answer
  The correct answer is C .
• Question 618: Fertilizers are lost from the soil through Options:
  A) sheet erosion and evaporation
  B) leaching, underground seepages and run-off
  C) sheet erosion, gully erosion and wind erosion
  D) wind erosion and heavy rainfall
  Show Answer
  The correct answer is B .
• Question 619: Which of the following features of euglena is found only in animals? Options:
  A) Paramylum granules
  B) Flagellum
  C) Pellicle
  D) Pyrenoid
  Show Answer
  The correct answer is C .
• Question 620: Which enzymes are contained in the pancreatic juice? Options:
  A) Ptayalin, lipase and pepsin
  B) Maltase, erepsin and trypsin
  C) Renin, sucrase and lipase
  D) Amylase, lipase and trypsin
  Show Answer
  The correct answer is D .