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 331: An old man is likely to be long-sighted because age affects the Options:
  A) optic nerves
  B) retina
  C) ciliary muscles
  D) cornea
  E) aqueous humour
  Show Answer
  The correct answer is B .
• Question 332: Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the Options:
  A) liver of humans
  B) reticuloendothelial cells of humans
  C) Malphigian tubules of mosquito
  D) brain of humans
  Show Answer
  The correct answer is A .
• Question 333: In the transverse section of the leaf of maize vascular bundles are arranged in Options:
  A) a row
  B) one circle
  C) alternate position
  D) two circles
  Show Answer
  The correct answer is B .
• Question 334:

  

  The structure labelled I represented the

  Options:
  A) phloem
  B) xylem
  C) cortex
  D) pericycle
  Show Answer
  The correct answer is D .
• Question 335: Which of the following is true of the transverse section of a dicot system? Options:
  A) the xylem is more interiory located than the phleom
  B) the cambium lies between the cortex and the vascular bundles
  C) the vascular bundles are randomly scattered within the cortex
  D) the epidemis is completely encircled by the cortex
  Show Answer
  The correct answer is A .
• Question 336: Green plants are distinguished from other living organisms by their ability to Options:
  A) make use of water
  B) make use of oxygen
  C) respond to sunlight
  D) manufactured their own food
  Show Answer
  The correct answer is D .
• Question 337:

  

  Use the diagram above to answer this question.

  The animal represented by l is a

  Options:
  A) poikilotherm
  B) homoiotherm
  C) carnivore
  D) herbivore
  Show Answer
  The correct answer is B .
• Question 338: The part of the brain that controls body posture in mammals is the Options:
  A) thalamus
  B) cerebellum
  C) spinal cord
  D) cerebrum
  Show Answer
  The correct answer is B .
• Question 339: The main function of the petal of a flower is to Options:
  A) attract pollination agents
  B) protect the flower while still in bud
  C) serve as landing stage for insects
  D) protect the inner paisr from desiccation
  Show Answer
  The correct answer is A .
• Question 340:

  Which of the following is an example of physiological variation in organisms?

  Options:
  A) Variation in blood pressure among individuals
  B) Variation in beak shape among finches
  C) Differences in fur color in rabbits
  D) Variation in leaf shape in plants
  Show Answer
  The correct answer is A .