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 621:

  

  Use the diagram above to answer this question.

  The part labelled l is the

  Options:
  A) pulmonary artery
  B) vena cava
  C) aorta
  D) bicuspid valve
  Show Answer
  The correct answer is C .
• Question 622: One of the function of xylem is Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  E) storing unused sugar
  Show Answer
  The correct answer is A .
• Question 623:

  

  The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

  Options:
  A) 12453
  B) 24135
  C) 21435
  D) 14325
  E) 31425
  Show Answer
  The correct answer is C .
• Question 624: Which of the following statement is NOT true of symbiosis? Options:
  A) Symbionts must be living
  B) It is an association of 'give and take'
  C) The association may involve two plants
  D) Association between two similar species
  E) Symbionts derive mutual benefit
  Show Answer
  The correct answer is D .
• Question 625: the part of the stomach nearer the gullet is called th Options:
  A) epiglottis
  B) cardiac spincter
  C) duodenum
  D) pyloric sphincter
  Show Answer
  The correct answer is B .
• Question 626: Which of the following is the simplest living organism? Options:
  A) Paramecium
  B) Virus
  C) Amoeba
  D) Chlamydomonas
  Show Answer
  The correct answer is B .
• Question 627:

  Competition among individuals of a population increases the

  Options:
  A) Number of organisms
  B) Availability of nutrient supplied
  C) Survival of the fittest
  D) Enlargement of the territory
  Show Answer
  The correct answer is C .
• Question 628: Carbon monoxide poisons tissue by Options:
  A) constricting the blood vessels
  B) killing the cells
  C) combining with haemoglobin
  D) rupturing the blood vessels
  Show Answer
  The correct answer is C .
• Question 629:

  

  Which of the bones is the radius?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is D .
• Question 630:

  Ecological Zone	Temperature (oC)	Rainfall (mm)
  I	45	300
  II	32	2000
  III	30	2200
  IV	15	800

  From the table above which of the zones is likely to be desert?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is A .