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 121: During cell division, the two strands of chromosomes are joined at a point called Options:
  A) spindle
  B) chromatid
  C) centromere
  D) aster
  Show Answer
  The correct answer is C .
• Question 122: Which of the following diseases can be prevented by innoculation? Options:
  A) Syphilis
  B) Malaria fever
  C) Tuberculosis
  D) Acquired Immune Deficiency Syndrom
  Show Answer
  The correct answer is C .
• Question 123:

  The theory of evolution can be defined as

  Options:
  A) The belief that all species were created in their current form
  B) The hypothesis that organisms strive to improve themselves over generations
  C) The idea that species change over time through natural processes
  D) The concept that evolution occurs through a series of sudden and dramatic changes
  Show Answer
  The correct answer is C .
• Question 124:

  If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

  Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{4}$
  C) $\frac{1}{4}$
  D) $1$
  Show Answer
  The correct answer is C .
• Question 125: The companion cells are part of the Options:
  A) pericycle
  B) phloem
  C) pith
  D) xylem
  Show Answer
  The correct answer is B .
• Question 126:

  Which of the following is NOT a part of the alimentary canal?

  Options:
  A) Oesophagus
  B) Large intestine
  C) Liver
  D) Small intestine
  Show Answer
  The correct answer is C .
• Question 127: The modification in structure, physiology and behaviour of plant and animal is called ______ Options:
  A) adaption
  B) evolution
  C) variation
  D) succession
  Show Answer
  The correct answer is A .
• Question 128: A person that is obese must avoid meals containing Options:
  A) `carrots and oranges
  B) margarine and butter
  C) beaf and beans
  D) rice and yam
  Show Answer
  The correct answer is B .
• Question 129: The blood circulatory system of vertebrates consists of Options:
  A) heart, arteries, capillaries and veins
  B) heart, aorta, capillaries and veins
  C) heart, aorta, arteries and veins
  D) heart, vena cava, arteries, and veins
  Show Answer
  The correct answer is A .
• Question 130: Which of the following is NOT a method of conserving wild life? Options:
  A) Indiscriminate poaching
  B) Establishment of zoological gardens
  C) Enacting wildlife conservation laws
  D) Establishment of game reserves
  Show Answer
  The correct answer is A .