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 971: The part of the mammalian brain responsible for maintaining balance is the Options:
  A) medulla oblongata
  B) olfactory lobe
  C) cerebellum
  D) cerebrum
  E) frontal lobe
  Show Answer
  The correct answer is C .
• Question 972: In demonstrating the importance of mineral elements in plants, the culture bottle must be darkened to Options:
  A) prevent alga growth in culture solution
  B) allow root growth
  C) prevent breakdown of mineral elements
  D) prevent photosynthesis in the root
  Show Answer
  The correct answer is A .
• Question 973: If R and r, denotes the genes for a character, the offspring of the cross between RR and Rr are Options:
  A) RR, 2Rr, rr
  B) 2RR, 2rr, 2rr
  C) 2RR, 2Rr
  D) 4Rr
  Show Answer
  The correct answer is C .
• Question 974:

  The waste product of insects is?

  Options:
  A) uric acid
  B) urine
  C) Mucilage
  D) sweat
  Show Answer
  The correct answer is A .
• Question 975:

  Which of the following is a difference between plant and animal cells?

  Options:
  A) Plant cells have a nucleus, while animal cells do not
  B) Plant cells have a cell membrane, while animal cells have a cell wall
  C) Plant cells contain chloroplasts for photosynthesis, while animal cells do not
  D) Plant cells have a central vacuole, while animal cells have multiple small vacuoles
  Show Answer
  The correct answer is C .
• Question 976:

  A distinguishing feature of mammals is the possession of

  Options:
  A) Skin
  B) Scale
  C) Nail
  D) Hair
  Show Answer
  The correct answer is D .
• Question 977: The thoracic vertebrae of a mammal is characterized by the Options:
  A) vertebraterial canal
  B) prominent neural arch
  C) prominent transverse
  D) prominent neural spine
  E) prominent centrum
  Show Answer
  The correct answer is D .
• Question 978: The soil type that will be most difficult to plough in a wet season is one that is Options:
  A) loamy
  B) clayey
  C) sandy
  D) silty
  Show Answer
  The correct answer is B .
• Question 979: In nature, plants and animals are perpetually engaged in mutualism because Options:
  A) they are rivals
  B) all animals rely on food produced by plants
  C) they utilize respiratory wastes of each other
  D) they are neighbours
  Show Answer
  The correct answer is B .
• Question 980:

  An ecological instrument used to measure wind direction is?

  Options:
  A) Secchi disc
  B) wind vane
  C) anemometer
  D) slope gauge
  Show Answer
  The correct answer is B .