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 851: The main structure in vertebrates that supports and protects the body is the Options:
  A) skeleton
  B) ligament
  C) muscle
  D) joint
  Show Answer
  The correct answer is A .
• Question 852: Plants adapted for life in salty marsh are called Options:
  A) hydrophytes
  B) xerophytes
  C) halophytes
  D) epiphytes
  Show Answer
  The correct answer is C .
• Question 853: If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of Options:
  A) codominance
  B) incomplete dominance
  C) mutation
  D) linkage
  Show Answer
  The correct answer is B .
• Question 854: For pollen to be released in Crotalaria the insect must depress the Options:
  A) wing
  B) keel
  C) standard
  D) antepetalous stamen
  E) antesepalous stamen
  Show Answer
  The correct answer is B .
• Question 855: Which of the following is involved in secondary thickening in plants? Options:
  A) Collenchyma and xylem cells
  B) Vascular cambium
  C) Cork cambium and sclerenchyma
  D) Vascular cambium and cork cambium
  Show Answer
  The correct answer is D .
• Question 856: When specimen X is mixed with few drops of iodine solution, the appearance of a blue-black colour confirms that X is Options:
  A) galactose
  B) starch
  C) sucrose
  D) glucose
  Show Answer
  The correct answer is B .
• Question 857: In community, bacteria and fungi are referred to as Options:
  A) producers
  B) decomposers
  C) scavengers
  D) consumers
  Show Answer
  The correct answer is B .
• Question 858: Which of the structure listed below is peculiar to the axis vertebra? Options:
  A) Odontoid process
  B) Anterior zygapophysis
  C) Posterior zygapophysis
  D) Lateral spine
  E) Centrum
  Show Answer
  The correct answer is A .
• Question 859:
  

  Which of the following structure is associated with aerobic respiration?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 860:

  

  The ovary represented is

  Options:
  A) half-superior
  B) inferior
  C) superior
  D) half-inferior
  Show Answer
  The correct answer is B .