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 781: Which of the following has the greatest influence on the distribution of animals in marine and fresh water habitats? Options:
  A) pH
  B) Salinity
  C) Water current
  D) Turbidity
  Show Answer
  The correct answer is A .
• Question 782: The seedlings in rice field were found to have thin lanky growth with reddish leaves and poor root development. This is because the soil lacks Options:
  A) sulphur
  B) phosphorus
  C) potassium
  D) iron
  Show Answer
  The correct answer is B .
• Question 783:

  

  The parts labelled I and II make up the

  Options:
  A) glomerulus
  B) convoluted tubules
  C) Malpighian body
  D) Bowman's capsule
  Show Answer
  The correct answer is C .
• Question 784: Which of these food chains is NOT possible in a forest? Options:
  A) Diatom → fly → toad → snake
  B) Fly → toad → snake→ hawk
  C) Leaves → antelope → man → lion
  D) Leaves → caterpillar → bird → lion
  E) Leaves →goat → man→ lion
  Show Answer
  The correct answer is E .
• Question 785: Both recessive and dominant characters are found Options:
  A) on different chromosomes in the cell
  B) at the same locus of a homologous chromosome
  C) at different loci of a homologous chromosome
  D) on the same chromatid in a chromosome
  Show Answer
  The correct answer is B .
• Question 786: Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing? Options:
  A) Nucleolus and centrioles
  B) Mitochondria and chloroplast
  C) Lysosomes and ribosomes
  D) Golgi apparatus and endoplasmic reticulum
  Show Answer
  The correct answer is B .
• Question 787: The surest way to combine the best qualities of both parents in the offspring is by Options:
  A) cross-breeding
  B) inbreeding
  C) selective breeding
  D) pure breeding
  Show Answer
  The correct answer is A .
• Question 788: Which of these is not detected by the nerve endings of the skin? Options:
  A) cold
  B) pain
  C) pressure
  D) weakness
  Show Answer
  The correct answer is D .
• Question 789: A green snake in green grass is able to escape notice from predators because of its Options:
  A) disruptive colouration
  B) counter shading
  C) warning colouration
  D) cryptic colouration
  Show Answer
  The correct answer is D .
• Question 790:

  A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

  Options:
  A) able to carry out holozoic nutrition
  B) able to carry out photosynthesis using carbon dioxide in the pond water
  C) better adapted to life in darkness than to life in light
  D) not overcrowded
  Show Answer
  The correct answer is A .