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 1231: The conversion of excess amino acids into urea occurs in the Options:
  A) Kidney
  B) pancreas
  C) villi
  D) liver
  E) spleen
  Show Answer
  The correct answer is D .
• Question 1232: Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry Options:
  A) 1, 2, 3
  B) 1, 2, 5
  C) 2, 3, 5
  D) 2, 4, 5
  E) 1, 3, 5
  Show Answer
  The correct answer is A .
• Question 1233: A water medium is necessary for fertilization in Options:
  A) fungi
  B) conifers
  C) ferns
  D) angiosperms
  Show Answer
  The correct answer is C .
• Question 1234: Alternation of asexual modes of reproduction is found in Options:
  A) blue,green algae
  B) euglena
  C) fern
  D) maize
  Show Answer
  The correct answer is C .
• Question 1235:

  The bright colours of the comb and feathers in the peacock are for?

  Options:
  A) sex differentiation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 1236: A young plant showing yellow leaves is likely to be deficient in Options:
  A) calcium
  B) magnesium
  C) potassium
  D) boron
  E) molybdenum
  Show Answer
  The correct answer is B .
• Question 1237:

  

  In the diagram, the likely pollinating agent of the flower is

  Options:
  A) wind
  B) water
  C) insect
  D) man
  Show Answer
  The correct answer is C .
• Question 1238:

  

  The part labelled IV is the

  Options:
  A) albumen
  B) germinal disc
  C) yolk
  D) air space
  Show Answer
  The correct answer is B .
• Question 1239:

  

  In the diagram, the experiment demonstrates

  Options:
  A) geotropism
  B) thigmotropism
  C) phototropism
  D) hydrotropism
  Show Answer
  The correct answer is A .
• Question 1240: In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m² quadrat. What is the density of the plants in the field? Options:
  A) 1.2 per m²
  B) 2.4 per m²
  C) 4.8 per m²
  D) 9.6 per m²
  Show Answer
  The correct answer is A .