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 821: Lichen is an example of Options:
  A) saprophytic organism
  B) a symbiotic association
  C) an epiphytic plant
  D) a carnivorous plant
  Show Answer
  The correct answer is B .
• Question 822: A characteristic of the phylum coelenterata is that Options:
  A) most of them are marine
  B) they possess a gut with a single opening
  C) thy possess numerous pores on their body
  D) they are bilaterally symmetrical
  Show Answer
  The correct answer is B .
• Question 823: Which of the following is not a characteristics of snail? Options:
  A) Bilateral symmetry
  B) Chitinous exoskeleton
  C) Muscular foot
  D) soft unsegmented body in mantle
  Show Answer
  The correct answer is B .
• Question 824: Which of the following food chains is in the correct sequence? Options:
  A) Weeds → Tadpole → Beetles → Fish → Man
  B) Weeds → Tadpole → Fish → Beetles → Man
  C) Tadpole → Beetles →Weeds → Man → Fish
  D) Man → Fish → Beetles → Tadpole → Weeds
  E) Fish → Beetles → Weeds → Man → Tadpoles
  Show Answer
  The correct answer is A .
• Question 825: Which of these is a direct photosynthetic product? Options:
  A) fats
  B) glucose
  C) latex
  D) protein
  E) starch
  Show Answer
  The correct answer is B .
• Question 826: A fundamental similarity between nervous and hormonal system is that both Options:
  A) involve chemical transmission
  B) have widespread effects
  C) shed chemicals into the blood stream
  D) evoke rapid responses
  Show Answer
  The correct answer is D .
• Question 827:

  

  In the diagram, the part labelled I is the

  Options:
  A) nuclear membrane
  B) cell wall
  C) endoplasmic recticulum
  D) plasmellema
  Show Answer
  The correct answer is D .
• Question 828: After a meal of yam has been digested, the highest concentration of glucose is to be found in the Options:
  A) hepatic artery
  B) pulmonary vein
  C) hepatic portal vein
  D) posterior vena cava
  Show Answer
  The correct answer is C .
• Question 829: The mammalian pancreas is involved with the Options:
  A) digestion of food only
  B) digestion and absorption of food
  C) digestion of food and regulation of blood sugar
  D) digestion of food, production of hormone and the regulation of blood
  E) digestion of food, and the regulation of blood
  Show Answer
  The correct answer is D .
• Question 830: In the woody stems, gaseous exchange takes place through the Options:
  A) micropyles
  B) stomata
  C) lenticels
  D) vessels
  Show Answer
  The correct answer is C .