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 1481:

  

  The figure above shows diagram for the correction of shortsightedness. If the unbroken lines represents light rays from the object and the broken lines the refracted rays through the lens, which of these is correct

  Options:
  A) A
  B) B
  C) C
  D) D
  E) E
  Show Answer
  The correct answer is D .
• Question 1482:

  I. High birth rate and high immigration rate

  II. Low birth rate and high immigration rate

  III. Low mortality rate and low emigration rate

  IV. High mortality rate and high emigration rate.

  Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements?

  Options:
  A) II and III
  B) I and III
  C) I and IV
  D) I and II
  Show Answer
  The correct answer is B .
• Question 1483: An association between the root nodule of a leguminous plant and rhizobium sp, is known as Options:
  A) commmensalism
  B) mycorrhiza
  C) parastism
  D) symbiosis
  Show Answer
  The correct answer is D .
• Question 1484: A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because Options:
  A) Amoeba lives in freshwater
  B) Diffusion is sufficient to transport materials in Amoeba
  C) Amoeba lacks blood containing haemoglobin
  D) Amoeba exibits anaerobic respiration
  Show Answer
  The correct answer is B .
• Question 1485:

  Irish potato is a

  Options:
  A) bulb
  B) tap root
  C) rhizome
  D) root tuber
  E) stem tuber
  Show Answer
  The correct answer is E .
• Question 1486: The most recently evolved structure in animals is the Options:
  A) hair
  B) cilium
  C) scale
  D) feather
  Show Answer
  The correct answer is A .
• Question 1487: The transmission of impulses along a nerve fibre is characterized by Options:
  A) hormonal and temperature changes
  B) electrical and ionic changes
  C) hormonal and changes
  D) electrostatic changes
  Show Answer
  The correct answer is B .
• Question 1488:

  

  Using the diagram, sexual reproduction is illustrated in

  Options:
  A) ii
  B) i
  C) iii
  D) iv
  Show Answer
  The correct answer is B .
• Question 1489: One reason for the success of Mendel's work is that the Options:
  A) was the first to carry out research work on modern genetics
  B) introduced quantitative and qualitative elements into his work
  C) selected two characteristics only at a time for study
  D) drew up his laws of inheritance based on his knowledge of chromosomes
  Show Answer
  The correct answer is D .
• Question 1490: In which of the following tissue do the cells have the ability to divide? Options:
  A) Meristem
  B) Sclerenchyma
  C) Phloem
  D) Collenchyma
  E) Pith
  Show Answer
  The correct answer is A .