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 2331: The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for Options:
  A) tearing
  B) chewing
  C) cutting
  D) chewing and tearing
  E) cutting and grinding
  Show Answer
  The correct answer is A .
• Question 2332: The radicle of a bean seedling grows most rapidly in the region Options:
  A) of the root tip
  B) just above the root tip
  C) just around the root tip
  D) just below the root tip
  Show Answer
  The correct answer is B .
• Question 2333: In which part of a leguminous plant can you find bacteria like Azotobacter? Options:
  A) Spongy mesophyll of leaf
  B) At the nodes
  C) At the internodes
  D) In nodules
  E) Palisade mesophyll of leaf
  Show Answer
  The correct answer is D .
• Question 2334: Vegetation propagation is described as asexual reproduction because Options:
  A) reproductive organs are not involved
  B) new individuals are not formed
  C) many new plants are produced
  D) there is no exchange of genetic materials
  Show Answer
  The correct answer is D .
• Question 2335: Which of the following characterizes a mature plant cell? Options:
  A) the nucleus is pushed to the centre of the cell
  B) the cell wall is made up of cellulose
  C) the nucleus is small and irregular in shape
  D) the cytoplasm fills up the entire cell space
  Show Answer
  The correct answer is B .
• Question 2336: The amount of water loss from a leaf can be detected using Options:
  A) lime-water
  B) red litmus paper
  C) blue litmus paper
  D) blue cobalt chloride paper
  E) pink cobalt chloride paper
  Show Answer
  The correct answer is D .
• Question 2337: In a mammal, the placenta performs functions similar to those to the Options:
  A) lungs kidneys and digestive system
  B) lungs, heart and nervous system
  C) liver, intestines and reproductive system
  D) intestine, heart and digestive system
  Show Answer
  The correct answer is A .
• Question 2338: Which of the following organisms is multicellular? Options:
  A) Chlamydomonas
  B) Spirogyra
  C) Amoeba
  D) Euglena
  Show Answer
  The correct answer is B .
• Question 2339: The vector for the malaria parasite is a Options:
  A) female edes mosquito
  B) female Anopheles mosquito
  C) female culex mosquito
  D) female culex mosquito
  Show Answer
  The correct answer is B .
• Question 2340: Which of the following instruments is used for measuring atmospheric pressure? Options:
  A) Hydrometer
  B) Hygrometer
  C) Thermometer
  D) Barometer
  Show Answer
  The correct answer is D .