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 1001: Mycorriza is an associationn between fungi and Options:
  A) protozoans
  B) Roots of higher plants
  C) Bacteria
  D) Filamentous algae
  Show Answer
  The correct answer is B .
• Question 1002: Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata Options:
  A) 3 → 2 → 1 → 4
  B) 2 → 3 → 1 → 4
  C) 2 → 1 → 3 → 4
  D) 1 → 2 → 3 → 4
  Show Answer
  The correct answer is C .
• Question 1003: Which of these plants groups are normally propagated by asexual means? Options:
  A) Banana, yam, pineapple and cassava
  B) Yam, cassava, rubber and banana
  C) Yam, cassava, orange and banana
  D) Banana, cashew, coffee and pineapple
  Show Answer
  The correct answer is A .
• Question 1004: In the transverse section of the leaf of maize vascular bundles are arranged in Options:
  A) a row
  B) one circle
  C) alternate position
  D) two circles
  Show Answer
  The correct answer is B .
• Question 1005:

  Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?

  Options:
  A) Denitrification
  B) Nitrogen fixation
  C) Ammonification
  D) Nitrification
  Show Answer
  The correct answer is B .
• Question 1006: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 1007: The DNA molecule is a chain of repeating Options:
  A) nucleosides
  B) nitrogenous bases
  C) sugar phosphates
  D) nucleotides
  Show Answer
  The correct answer is D .
• Question 1008: Which of the following structural features are adapted for uses other than water conservation? Options:
  A) Succulent stems
  B) Scales in animals
  C) Spines in plants
  D) Feathers in birds
  Show Answer
  The correct answer is D .
• Question 1009: People wit sickle-cell anaemia have haemoglobin Options:
  A) S and are homozygous recessive
  B) A and are heterozygous recessive
  C) S and are heterozygous recessive
  D) A and are homozygous recessive
  Show Answer
  The correct answer is A .
• Question 1010: When a virus is placed in a nonliving medium it Options:
  A) becomes dehydrated
  B) forms spores
  C) forms flagella
  D) becomes crystallized
  Show Answer
  The correct answer is D .