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 191:

  The biological association that contributes directly to succession in a community is

  Options:
  A) competition
  B) predation
  C) parasitism
  D) commensalism
  Show Answer
  The correct answer is A .
• Question 192: The dry indehiscent, winged fruit formed from one one carpel is known as Options:
  A) Schizocarp
  B) Caryopsis
  C) Samara
  D) Nut
  E) Follicle
  Show Answer
  The correct answer is C .
• Question 193: The organ which secretes digestive enzymes as well as hormones is the Options:
  A) liver
  B) salivary gland
  C) pancreas
  D) spleen
  Show Answer
  The correct answer is C .
• Question 194: The factor that least affects food shortages in sub-saharan Africa is Options:
  A) flooding
  B) pests
  C) mixed-cropping
  D) drought
  Show Answer
  The correct answer is C .
• Question 195:

  An animal which is active during the day is known as a

  Options:
  A) nocturnal animal
  B) diurnal animal
  C) terrestrial animal
  D) homortacmic animal
  Show Answer
  The correct answer is B .
• Question 196: A farmer x working in a swamp did not eat any food nor drink any water. Which of this diseases can he not contact Options:
  A) Cholera
  B) Bilharzia
  C) River blindness
  D) Malaria
  E) Sleeping sickness
  Show Answer
  The correct answer is A .
• Question 197: A blue-green alga is not a protophyte because Options:
  A) it is aquatic
  B) its cells are prokaryotic
  C) it cannot move
  D) it is not a green plant
  Show Answer
  The correct answer is D .
• Question 198: In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the Options:
  A) motor neurons
  B) effector muscles
  C) dendrites
  D) sensory neurons
  E) synapses
  Show Answer
  The correct answer is D .
• Question 199: In vascular plants, the sieve tubes and companion cells are present in the Options:
  A) cambium
  B) cortex
  C) xylem
  D) phloem
  Show Answer
  The correct answer is D .
• Question 200: Short-sightedness can be corrected by lenses which are Options:
  A) convex
  B) biconvex
  C) plano-convex
  D) concave
  Show Answer
  The correct answer is D .