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 2181: Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? Options:
  A) pH
  B) Salinity
  C) Water current
  D) Turbidity
  Show Answer
  The correct answer is A .
• Question 2182: Sclerenchyma cells are lignified to Options:
  A) strengthen and support the plant
  B) transport synthesized food
  C) conduct water and salt
  D) protect the plant from injury
  Show Answer
  The correct answer is A .
• Question 2183:

  

  The young chick is formed from

  Options:
  A) 3
  B) 3 and 4
  C) 1, 3 and 5
  D) 2
  E) 4
  Show Answer
  The correct answer is D .
• Question 2184: Which of the following causes pollution? Options:
  A) Consumption of canned drink
  B) The addition of fertilizer to farmland
  C) Respiration of living organism
  D) Burning of refuse
  Show Answer
  The correct answer is D .
• Question 2185:

  

  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 2186:

  

  In the diagram, the part labelled I represents the

  Options:
  A) base pairs
  B) ribose sugar
  C) phosphate linkage
  D) deoxyri-bose sugar
  Show Answer
  The correct answer is A .
• Question 2187:

  

  In the diagram, the part labelled IV indicated that the yeast population has

  Options:
  A) reached its maximum size
  B) reached senescence
  C) stopped metabolizing food
  D) started dying
  Show Answer
  The correct answer is A .
• Question 2188: The carrier of the hereditary character in plants and animal is the Options:
  A) Cell
  B) Nucleus
  C) Chromosome
  D) Chloroplast
  E) Gene
  Show Answer
  The correct answer is C .
• Question 2189:

  The natural place of an organism or community is known as

  Options:
  A) Niche
  B) Habit
  C) Biome
  D) Habitat
  Show Answer
  The correct answer is D .
• Question 2190: Manufactured food in the plant is transported through the Options:
  A) xylem
  B) phloem
  C) cambium
  D) cortex
  Show Answer
  The correct answer is B .