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 1541: Exponential increase in the population of an organism is a characteristic feature off Options:
  A) binary fission
  B) sexual reproduction
  C) budding
  D) vegetative propagation
  Show Answer
  The correct answer is A .
• Question 1542: The major limiting factor of productivity in the aquatic habitat is Options:
  A) Food
  B) Temperature
  C) Water
  D) Sunlight
  Show Answer
  The correct answer is A .
• Question 1543: The joint between the atlas and axis vertebrae allows for Options:
  A) rotatory movement only
  B) up and down or nodding movements only
  C) rotatory and nodding movements
  D) no movement at all
  E) slight movement
  Show Answer
  The correct answer is C .
• Question 1544: Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have Options:
  A) a large volume of surface area ratio
  B) a large surface area to volume ratio
  C) their bodies immersed in the nutrients
  D) their outer membrane made of cellulose
  Show Answer
  The correct answer is B .
• Question 1545: The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because Options:
  A) birds are generally bigger in size
  B) embryonic development is longer in birds
  C) those of birds are fertilized internally
  D) birds lay shelled eggs
  Show Answer
  The correct answer is B .
• Question 1546:

  

  The structure labelled 5 is the

  Options:
  A) neucleolus
  B) Golgi body
  C) mitochondrion
  D) vacuole
  Show Answer
  The correct answer is B .
• Question 1547: Fungi are heterotropic because they Options:
  A) have no leaves
  B) lack roots
  C) are filamentous
  D) lack chlorophyll
  Show Answer
  The correct answer is D .
• Question 1548: In the honey bee colony, the drones are Options:
  A) sterile males with reduced mouth parts
  B) sterile males with well-developed mouth parts
  C) fertile males with reduced mouth parts
  D) fertile males with well-developed mouth parts
  Show Answer
  The correct answer is D .
• Question 1549:

  Animals are said to gregarious when

  Options:
  A) they survive adverse conditions of cold weather
  B) they transmit information from one individual to another
  C) they are of the same species moving together in a group
  D) they give an alarm to alert others to show the normal protective behaviour of the group when danger threatens
  Show Answer
  The correct answer is C .
• Question 1550: An instrument that can be used to demonstrate phototropism and geotropism in plants is the Options:
  A) auxanometer
  B) potometer
  C) klinostat
  D) photometer
  Show Answer
  The correct answer is C .