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 631: Which of the following is a feature of the population pyramid of a developing country? Options:
  A) long lifespan
  B) low birth rate
  C) low death rate
  D) short lifespan
  Show Answer
  The correct answer is C .
• Question 632: The pancreatic juice contains the enzymes amylopsin, Options:
  A) pepsin and trpsinogen
  B) rennin and steapsin
  C) steapsin and trypsinogen
  D) steapsin and ptyalin
  Show Answer
  The correct answer is C .
• Question 633: A characteristics exhibited by all living organism is Options:
  A) sexual reproduction
  B) aerobic respiration
  C) the ability to move from one place to another
  D) the ability to move unwanted substances
  Show Answer
  The correct answer is A .
• Question 634: Which of the following describes a characteristic of arthropods? Options:
  A) The organism finds it easy to grow freely
  B) the organism has a pair of jointed appendages
  C) the body is not divided into a number of segments seg
  D) the body is covered by chitin
  Show Answer
  The correct answer is D .
• Question 635:

  

  The diagram represents

  Options:
  A) sensory neurone
  B) relay neurone
  C) afferent neurone
  D) motor neurone
  Show Answer
  The correct answer is D .
• Question 636:

  The role of scolex in tapeworm is to

  Options:
  A) excretion
  B) attachment to the host
  C) movement
  D) breathing
  Show Answer
  The correct answer is B .
• Question 637: The mode of nutrition in which digestion is extracellular is Options:
  A) holophytic
  B) parasitic
  C) holozoic
  D) saprophytic
  Show Answer
  The correct answer is D .
• Question 638: The increasing order of the particle size in following soil type is Options:
  A) clay → sand → silt →gravel
  B) silt → sand → clay → gravel
  C) clay → silt → sand → gravel
  D) silt → clay → sand → gravel
  Show Answer
  The correct answer is C .
• Question 639: The following distrupts the balance in an ecosystem except Options:
  A) afforestation
  B) deforestation
  C) migration
  D) pollution
  Show Answer
  The correct answer is A .
• Question 640:

  A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

  Options:
  A) able to carry out holozoic nutrition
  B) able to carry out photosynthesis using carbon dioxide in the pond water
  C) better adapted to life in darkness than to life in light
  D) not overcrowded
  Show Answer
  The correct answer is A .