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 131:

  Which of the following waste products in plants is excreted through the stomata and lenticles?

  Options:
  A) carbon dioxide
  B) alkaloids
  C) tannins
  D) anthoocyanins
  Show Answer
  The correct answer is A .
• Question 132: In which of the following crosses will all the female offspring be colour blind? Options:
  A) colour blind mother x colour blind father
  B) colour blind mother x normal father
  C) carrier mother x colour blind father
  D) carrier mother x normal father
  Show Answer
  The correct answer is A .
• Question 133: In the kidney, both useful substances and wastes are removed from the blood by Options:
  A) Filtration
  B) selective absorption
  C) dialysis machine
  D) excretion
  Show Answer
  The correct answer is A .
• Question 134: The progressive loss of energy at each level in a food chain leads to Options:
  A) an increase in biomass at each successive level
  B) a decrease in biomass at each successive level
  C) an increase in the number of organism at each successive level
  D) an increase in the total number of organisms at each successive level
  Show Answer
  The correct answer is B .
• Question 135:

  

  Use the diagram above to answer this question.

  With respect to their decreasing dependence on aquatic conditions for reproduction, which of the following is the correct arrangement of the animals represented?

  Options:
  A) l,IV,II and lll
  B) IV, lll, ll and l
  C) l, ll, IV and lll
  D) lll, ll, IV and l
  Show Answer
  The correct answer is B .
• Question 136:

  

  In mammals, reabsorption of salt takes place in

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is B .
• Question 137: The type of asexual reproduction that is common to both Paramecium and Protists is Options:
  A) fragmentation
  B) budding
  C) sporulation
  D) fission
  Show Answer
  The correct answer is D .
• Question 138: The movement of plant in response to external stimulus of no particular direction is Options:
  A) taxism
  B) tropism
  C) hyptotropic movement
  D) nastic movement
  E) phototropism
  Show Answer
  The correct answer is D .
• Question 139: The crossing of individuals of the same species with different genetic characters is Options:
  A) croos breeding
  B) polygenic inheritance
  C) non-disjunctin
  D) inbreeding
  Show Answer
  The correct answer is A .
• Question 140: 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 .