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 291: The heart of the adult frog consist of Options:
  A) two auricles and two ventricles
  B) one auricle and one ventricle
  C) two ventricle and one auricle
  D) one ventricle and two auricles
  Show Answer
  The correct answer is D .
• Question 292:

  

  The mouth part of the insect is adapted for

  Options:
  A) biting and chewing
  B) sucking and chewing
  C) biting and sucking
  D) piercing and sucking
  Show Answer
  The correct answer is A .
• Question 293: 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 294: The umbrella shaped fruiting body of a fully developed mushroom is the Options:
  A) Pileus
  B) Mycelium
  C) Basidium
  D) Stipe
  Show Answer
  The correct answer is A .
• Question 295:

  The type of nutrition in which two organisms of different species live together and derive nutrients from each other is

  Options:
  A) symbiotic nutrition
  B) saprophytic nutrition
  C) holozoic nutrition
  D) holophytic nutrition
  Show Answer
  The correct answer is A .
• Question 296: Which of the following sets is made up of decomposers? Options:
  A) Rhizophus, earthworm and protozoa
  B) Mushroom, rhizophus and bacteria
  C) Bacteria, earthworm and nematodes
  D) earthworm, sedges and platyhelminthes
  Show Answer
  The correct answer is B .
• Question 297: Which of the following is the direct consequence of transferring energy from one trophic level to another? Options:
  A) An increase in biomass
  B) A decrease in the efficiency
  C) An increase in the total numbers of resulting individuals
  D) A decrease in the resulting biomass
  Show Answer
  The correct answer is D .
• Question 298: The plants that grow in deserts or very dry areas are referred to as Options:
  A) mesophytes
  B) hydrophytes
  C) epiphytes
  D) xerophytes
  Show Answer
  The correct answer is D .
• Question 299: A food web is more stable than a food chain because Options:
  A) it contains more organisms
  B) it has greater energy source
  C) it is not easy to destroy
  D) every organism has an alternative source
  Show Answer
  The correct answer is D .
• Question 300:

  

  The structure labelled I is formed as a result of the fusion of

  Options:
  A) two pairs of nuclei
  B) several pairs of nuclei
  C) a pair of nuclei
  D) two pairs of nucleoli
  Show Answer
  The correct answer is B .