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 1451:

  

  The biomass is likely to increase in the sequence

  Options:
  A) 1 → 2 → 4 → 5
  B) 1 → 3 → 4 → 5
  C) 3 → 5 → 6 →7
  D) 5 → 4 → 3 → 1
  Show Answer
  The correct answer is D .
• Question 1452: Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents Options:
  A) The father possesses a gene for shortness
  B) The mother posesses a gene for shortness
  C) Nature makes the child short
  D) Both parents possess gene for shortness
  Show Answer
  The correct answer is D .
• Question 1453: Refrigeration, as a method of preservation, has ONE of the following characteristics: Options:
  A) Kills all the bacteria
  B) Kill most of the bacteria
  C) Makes the bacteria inactive
  D) Dries food
  E) Hydrolyses food
  Show Answer
  The correct answer is C .
• Question 1454: The followings are the functions of the kidneys, except Options:
  A) Regulation of water content in the blood
  B) Maintenance of blood PH and homeostasis
  C) Excretion of CO2
  D) D. Removal of waste products from the blood
  Show Answer
  The correct answer is C .
• Question 1455:

  

  Which of the labelled parts of the cell contains ribonucleic acid?

  Options:
  A) 1
  B) 2
  C) 3
  D) 5
  Show Answer
  The correct answer is C .
• Question 1456: The swollen shoot disease of cocoa tree is caused by a Options:
  A) virus
  B) fungus
  C) bacterium
  D) protozoan
  Show Answer
  The correct answer is A .
• Question 1457:

  Which organs are part of the alimentary canal in the human digestive system?

  Options:
  A) Salivary glands, tongue, and pharynx
  B) Large intestine, appendix, and rectum
  C) Stomach, liver, and gallbladder
  D) Oesophagus, pancreas, and small intestine
  Show Answer
  The correct answer is D .
• Question 1458: Which of the following is NOT a function of mammalian blood? Options:
  A) Engulfing bacteria
  B) Production of hormones
  C) Transporting ureas
  D) Distribution of heat
  E) Transporting glucose
  Show Answer
  The correct answer is B .
• Question 1459:

  Conversion of atmosphere carbon into chemical bond energy occurs during the process of?

  Options:
  A) transpiration
  B) photosynthesis
  C) digestion
  D) respiration
  Show Answer
  The correct answer is B .
• Question 1460: The dry indehiscent, winged fruit formed from one one carpel is known as Options:
  A) Schizocarp
  B) Caryopsis
  C) Samara
  D) Nut
  E) Follicle
  Show Answer
  The correct answer is C .