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 361: Lack of space in a population could lead to an increase in Options:
  A) water scarcity
  B) birth rate
  C) disease rate
  D) dought
  Show Answer
  The correct answer is C .
• Question 362: In woody plants, grass and water vapour are transported across the stems by the Options:
  A) xylem fibres
  B) medullary rays
  C) sieve tubes
  D) phloem fibres
  E) phloem parenchyma
  Show Answer
  The correct answer is A .
• Question 363: The following are examples of oviparous animals except Options:
  A) crocodile
  B) dove
  C) rat
  D) tilapia
  Show Answer
  The correct answer is C .
• Question 364:
  

  Use the diagram above to answer this question.

  The organelle responsible for heredity is labelled

  Options:
  A) l
  B) ll
  C) lll
  D) IV
  Show Answer
  The correct answer is B .
• Question 365: Carbon (iv) oxide is added to the atmosphere when ________? Options:
  A) plants build-up organic compounds
  B) plants absorb mineral salts
  C) sugars are completely broken down in animals
  D) there is thunderstorm
  Show Answer
  The correct answer is A .
• Question 366:

  

  In the diagram, A unique characteristic that distinguishes the class of vertebrates represented from other vertebrates is the presence of

  Options:
  A) two pair of limbs
  B) scales on the lower legs
  C) a pair of wings
  D) a covering of feathers
  Show Answer
  The correct answer is D .
• Question 367: Organisms in an ecosystem are usually grouped according to their trophic level as Options:
  A) carnivores and epiphytes
  B) consumers and parasites
  C) producers and consumers
  D) producers and saprophytes
  Show Answer
  The correct answer is C .
• Question 368:

  

  The number shown as 8 refers to

  Options:
  A) upper epidermise
  B) cuticle
  C) stoma
  D) guard cell
  E) lower epidermis
  Show Answer
  The correct answer is D .
• Question 369: Which of the following is a nitrogen-fixing blue-green algae of soil? Options:
  A) Rhizobium
  B) Nitrosomonas
  C) Clostridium
  D) Anabaena
  Show Answer
  The correct answer is D .
• Question 370: Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are Options:
  A) grasses
  B) grasshopper
  C) lizards
  D) snakes
  E) hawks
  Show Answer
  The correct answer is E .