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 1141: The function of lymph nodes is to Options:
  A) supply oxygen
  B) filter out bacteria
  C) form red blood cells
  D) supply amino acids
  E) supply simple sugars
  Show Answer
  The correct answer is B .
• Question 1142: Transpiration can be measured with a Options:
  A) photometer
  B) hygrometer
  C) potometer
  D) barometer
  Show Answer
  The correct answer is C .
• Question 1143: The dominant phase in the life cycle of a bryophyte is the Options:
  A) gametangium
  B) sporophyte
  C) gametophyte
  D) prothallus
  Show Answer
  The correct answer is C .
• Question 1144: The special pigment for colour change in chameleon is Options:
  A) melanin
  B) carotenoid
  C) chromatin
  D) chromatophore
  Show Answer
  The correct answer is D .
• Question 1145:

  Metamorphosis is a biological process that involves

  Options:
  A) The growth and development of an organism from a zygote to an adult
  B) The change in form and structure during the life cycle of certain organisms
  C) The regeneration of lost body parts in an organism
  D) The transformation of an organism from an adult stage to a larval stage
  Show Answer
  The correct answer is B .
• Question 1146: A major limitation in the use of the potometer for measuring the rate of transpiration is that Options:
  A) it is made of breakable glass materials
  B) it measures the rate of water intake
  C) it measure the rate of water loss throuh the stern only
  D) the movement of the air buble in the potometer cannot be timed accurately
  Show Answer
  The correct answer is D .
• Question 1147: Growth can best be determined in a population of Spirogyra by measuring the Options:
  A) total length of the filament
  B) total widths of the filaments
  C) rate of photosynthesis in the population
  D) dry weights of the organism
  Show Answer
  The correct answer is A .
• Question 1148: Which of the following cell constituents is NOT common in both plants and animals? Options:
  A) Mitochondria
  B) Chloroplast
  C) Ribosomes
  D) Golgi apparatus
  E) Vacuoles
  Show Answer
  The correct answer is B .
• Question 1149: Mangrove swamp can be found Options:
  A) on a seashore with flat terrains
  B) where a river meets the sea
  C) on a mud flat near the sea
  D) where two rivers meet
  Show Answer
  The correct answer is B .
• Question 1150:

  Use the following information to answer the question below.

  I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .

  In which of the test tubes will glucose be detected after complete hydrolysis?

  Options:
  A) l and ll only
  B) ll and lll only
  C) l only
  D) l, ll and lll
  Show Answer
  The correct answer is B .