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 1171:

  Tall trees with buttress roots and evergreen leaves are characteristics features of?

  Options:
  A) temperate grass land
  B) Southern Guinea Savanna
  C) tropical rain forests
  D) Northern Guinea savanna
  Show Answer
  The correct answer is C .
• Question 1172: Which of these statement below is not a characteristic of wind pollinated flower? Options:
  A) Stigmas are usually large and feathery
  B) Nectar is usually absent
  C) The pollen grains have rough spiny surfaces
  D) The flowers are not scented
  E) The pollen is light and smooth
  Show Answer
  The correct answer is C .
• Question 1173: Osmic acid boiled with a solution of food substance gave a black precipitate. This indicates the presence of Options:
  A) fats and oil
  B) proteins
  C) amino acids
  D) starch
  Show Answer
  The correct answer is A .
• Question 1174: Genetically modified food products have not become universally accepted because Options:
  A) they are not tasty as others produced by conventional means
  B) they are usually costlier than others produced by conventional means
  C) their effects on human consumers is not yet fully understand
  D) the technology can be applied only in developed countries
  Show Answer
  The correct answer is C .
• Question 1175: An example of a non-bio degrable pollutants is Options:
  A) dung
  B) bones
  C) ceramics
  D) woods
  Show Answer
  The correct answer is C .
• Question 1176: The major site of photosynthesis in the leaf is the Options:
  A) palisade parenchyma
  B) mesophyll parenchyma
  C) upper epidermis
  D) lower epidermis
  Show Answer
  The correct answer is A .
• Question 1177:

  Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as

  Options:
  A) plasmolysis
  B) diffusion
  C) haemolysis
  D) wilting
  Show Answer
  The correct answer is C .
• Question 1178: Herbs differ from shrubs because they Options:
  A) do not produce fruit
  B) are useful to herbalist
  C) do not become woody
  D) are only annual
  E) are only perennials
  Show Answer
  The correct answer is C .
• Question 1179: In an epigeal germination, it is the Options:
  A) epicotyl that elongates fast
  B) hypocotyl that elongates fast
  C) hypogeal that elongates fast
  D) plumule that elongates fast
  E) roots that elongate fast
  Show Answer
  The correct answer is B .
• Question 1180:

  In plants, respiration occurs in

  Options:
  A) The stomata and lenticel only
  B) Mesophyll cells only
  C) All living cells
  D) The root only
  Show Answer
  The correct answer is C .