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 2271: The maize grain is regarded as a fruit and not a seed because Options:
  A) it has a coleorhiza
  B) it has a coleoptile
  C) of the relatively large endosperm
  D) there is the remain of a style
  E) of the relatively small scutellum
  Show Answer
  The correct answer is D .
• Question 2272:

  Use the list of ecological constituents below to answer the question below

  1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water

  The physical factors are represented by

  Options:
  A) 1, 5, 6
  B) 4, 5, 7
  C) 5, 7, 8
  D) 6, 7, 8
  Show Answer
  The correct answer is C .
• Question 2273:

  

  The structure labelled X is used by the organism in the same way as man uses his

  Options:
  A) oesophagus
  B) trachea
  C) stomach
  D) intestine
  Show Answer
  The correct answer is A .
• Question 2274:

  

  In the experiment, the layer of oil serves to prevent water loss

  Options:
  A) transpiration
  B) evaporation
  C) osmosis
  D) guttation
  Show Answer
  The correct answer is B .
• Question 2275:

  What is the function of trichocyst in paramecium?

  Options:
  A) Movement
  B) Defence
  C) Excretion
  D) At which stage in this cycle can man b infected
  Show Answer
  The correct answer is B .
• Question 2276: When yeast respire anaerobically, it converts simple sugar to carbon (IV) oxide and Options:
  A) oxygen
  B) acid
  C) alcohol
  D) water
  Show Answer
  The correct answer is C .
• Question 2277: The absence of stomata shows that a leaf may be Options:
  A) from a floating plant
  B) from submerged plant
  C) varigated
  D) from a terrestrial plant
  E) from parasitic green plant
  Show Answer
  The correct answer is B .
• Question 2278: An association between the root nodule of a leguminous plant and rhizobium sp, is known as Options:
  A) commmensalism
  B) mycorrhiza
  C) parastism
  D) symbiosis
  Show Answer
  The correct answer is D .
• Question 2279: The lungs of the lung fish is an adaptation for respiration _______? Options:
  A) to complement gills while in water
  B) to complement gills while on land
  C) while on land
  D) while in water
  Show Answer
  The correct answer is D .
• Question 2280: The mammalian lung is made air tight by the Options:
  A) pleural cavity
  B) mucous membrane
  C) pleural membrane
  D) diaphragm
  Show Answer
  The correct answer is C .