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 931: A young plant showing yellow leaves is likely to be deficient in Options:
  A) calcium
  B) magnesium
  C) potassium
  D) boron
  E) molybdenum
  Show Answer
  The correct answer is B .
• Question 932: The first step in the process of photosynthesis is the Options:
  A) activation of the chlorophyll
  B) photolysis of water
  C) reduction of carbondioxide
  D) formation of sugar
  Show Answer
  The correct answer is A .
• Question 933:

  

  The function of the part labelled V is for the passage of

  Options:
  A) pollen tube and pollen nucleus
  B) air, water and pollen nucleus
  C) air, antipodal cells and ovum
  D) synergids and egg cell
  Show Answer
  The correct answer is A .
• Question 934:

  

  Use the diagram above to answer this question.

  The process illustrated is

  Options:
  A) gametogenesis
  B) sporulation
  C) sexual reproduction in Spirogyra
  D) sexual reproduction in Rhizopus
  Show Answer
  The correct answer is D .
• Question 935: The inner ear contains two main organs, namely, the Options:
  A) eardrum and eustachian tube
  B) cochlea and semi-circular canals
  C) oval window and ossicles
  D) pinna and cochlea
  Show Answer
  The correct answer is B .
• Question 936:

  

  After 30 minutes, the level of sugar solution in the above figure will

  Options:
  A) rise in x only
  B) rise in Y only
  C) be the same in X and Y
  D) fall in Y
  Show Answer
  The correct answer is B .
• Question 937: A farm practice that result in the loss of soil fertility is Options:
  A) mixed farming
  B) bush fallowing
  C) shifting cultivation
  D) continous cropping
  Show Answer
  The correct answer is D .
• Question 938:

  

  Melanin and keratin are produced in the part labelled

  Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is A .
• Question 939: Which of the following is a common characteristic of crustaceans? Options:
  A) Possession of a pair of antennae
  B) Possession of two pairs of antennae
  C) Each segmented has a pair of walking legs
  D) Four pairs walking on the cephalothorax
  Show Answer
  The correct answer is B .
• Question 940: Which of the following does a virus have in common with animal cells? Options:
  A) Nucleus
  B) DNA
  C) Gycogen
  D) Cytoplasm
  Show Answer
  The correct answer is B .