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 2241: The by-product of photosynthesis is Options:
  A) CO2
  B) O2
  C) C6H12O6
  D) H2O
  Show Answer
  The correct answer is B .
• Question 2242:

  

  Use the diagram to answer the question that follows:

  The part labelled I is the ________

  Options:
  A) carpel
  B) sepal
  C) petal
  D) stamen
  Show Answer
  The correct answer is D .
• Question 2243:

  The process in which plant uses sunlight to synthesize nutrients from carbon dioxide and water is called

  Options:
  A) Locomotion
  B) Homeostasis
  C) Transpiration
  D) Photosynthesis
  Show Answer
  The correct answer is D .
• Question 2244: The role of the Golgi complex in a eukaryotic cell is to Options:
  A) conduct irons in and out of the cells
  B) transport genetic materials out of the cell
  C) provide attachment for ribosomal granules
  D) transport organic materials in and out of the cells
  Show Answer
  The correct answer is D .
• Question 2245: The organelle involved in tissue respiration is the Options:
  A) endoplasmic reticulum
  B) ribosome
  C) golgi body
  D) mitochondrion
  Show Answer
  The correct answer is D .
• Question 2246: An evidence of a common ancestral for fishes, amphibians, reptiles, birds and mammals is the Options:
  A) possession of wings by birds and bats
  B) cold-bloodedness of fishes, amphibians and reptile
  C) presence of gilll clefts in vertebrate embryos
  D) possession of scale by fish and reptiles
  Show Answer
  The correct answer is C .
• Question 2247: The center for controlling body temperature in the brains is the Options:
  A) cerebrum
  B) cerebellum
  C) medulla
  D) hypothalamus
  Show Answer
  The correct answer is D .
• Question 2248:

  

  Use the diagram above to answer this question.

  Emulsification of fats takes place in the part labelled

  Options:
  A) l
  B) ll
  C) lll
  D) lV
  Show Answer
  The correct answer is D .
• Question 2249: The absence of anti-diuretic hormone in humans results in Options:
  A) decreasing dehydration
  B) drastic dehydration
  C) eliminating dehydration
  D) increasing dehydration
  Show Answer
  The correct answer is D .
• Question 2250: In the reproduction of mosses, water is essential because Options:
  A) they live in moist habitats
  B) they cannnot reproduce without water
  C) the male ganetes must swim to fertilize the ovum
  D) they produce spores
  Show Answer
  The correct answer is C .