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 411: The gall bladder of mammal has a duct connected to the Options:
  A) liver
  B) duodenum
  C) small intestine
  D) pancreas
  Show Answer
  The correct answer is A .
• Question 412: In a cell, the genres are carried by Options:
  A) nuclear membranes
  B) chromatin threads
  C) lysosomes
  D) mitochondria
  Show Answer
  The correct answer is B .
• Question 413:

  

  The bones labelled II are called

  Options:
  A) lumbar vertebrae
  B) thoracic vertebrae
  C) cervical vertebrae
  D) sacral vertebrae
  Show Answer
  The correct answer is A .
• Question 414:

  In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called:

  Options:
  A) Homozygous
  B) Dominant
  C) Heterozygous
  D) Recessive
  Show Answer
  The correct answer is C .
• Question 415: Habitats are generally classified into Options:
  A) biotic and abiotic
  B) aquatic and terrestrial
  C) aboreal and marine biomes
  D) microhabitats and macrohabitats
  Show Answer
  The correct answer is B .
• Question 416:

  

  The ovary represented is

  Options:
  A) half-superior
  B) inferior
  C) superior
  D) half-inferior
  Show Answer
  The correct answer is B .
• Question 417: Which of the following is likely to occur in a deciduous forest during the dry season? Options:
  A) New leaves are formed
  B) The trees die off
  C) The undergrowth increases
  D) The ground becomes bare
  Show Answer
  The correct answer is D .
• Question 418:
  

  Use the diagram above to answer this question.

  The developing embryo is usually contained in the part labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is C .
• Question 419: Banana, plantain and pineapple can be grouped together because they Options:
  A) produce small seeds
  B) are multiple fruit
  C) produce suckers
  D) have runners
  E) have bulbils
  Show Answer
  The correct answer is C .
• Question 420: Stomatal pores open when there is Options:
  A) an increase in the sugar content of guard cells
  B) a decreases in the osmotic concentration of the guard cell
  C) a decrease in the sugar content of mesophyll cells
  D) an increase in the sugar content of mesophyll cells
  Show Answer
  The correct answer is A .