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 1031:

  The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23)

  What is the percentage of occurrence of Imperataspp?

  Options:
  A) 35%
  B) 16%
  C) 46%
  D) 23%
  Show Answer
  The correct answer is C .
• Question 1032:

  The only caste in the termite colony whose members can feed themselves are the

  Options:
  A) workers
  B) reproductives
  C) soldiers
  D) nymphs
  Show Answer
  The correct answer is A .
• Question 1033: 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 1034: The substance that is responsible for optical dominance in plants is known as Options:
  A) gibberellin
  B) tannin
  C) auxin
  D) kinin
  Show Answer
  The correct answer is C .
• Question 1035:

  The association between two organisms living together in which only one benefits from the association while the other is neither benefited nor harmed is

  Options:
  A) Predation
  B) Competition
  C) Commensalism
  D) Dispersal
  Show Answer
  The correct answer is C .
• Question 1036:

  In the enzyme (amlyase) reactions of starch → sugar

  Starch is referred to as the

  Options:
  A) substrate
  B) product
  C) enzyme
  D) enzyme-substrate complex
  E) reaction mixture
  Show Answer
  The correct answer is A .
• Question 1037:

  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 1038:

  

  The structure labelled 2 is the

  Options:
  A) compound eye
  B) ocellus
  C) antenna
  D) labial palp
  Show Answer
  The correct answer is D .
• Question 1039: 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 1040: Any dry fruit which can break into several parts each containing one seed is a Options:
  A) capsule
  B) aggregrate fruit
  C) legume
  D) schizocarp
  E) follicle
  Show Answer
  The correct answer is D .