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 1:

  

  In the diagram, which of the four offspring of the cross will be sort if T the gene for tallness is

  Options:
  A) i
  B) ii
  C) iii
  D) iv
  Show Answer
  The correct answer is D .
• Question 2: Grasses recover quickly from bush fires in the savanna because of their Options:
  A) perennating organs
  B) rapid growth rate
  C) fibrous roots
  D) succulent stems
  Show Answer
  The correct answer is C .
• Question 3: Millet , sorghum, maize and onions are common crops growth in Nigeria in the Options:
  A) tropical rainforests
  B) sudan savanna
  C) montane forests
  D) sahel savanna
  Show Answer
  The correct answer is B .
• Question 4: Which of these organisms partly digest its food extracellularly? Options:
  A) Housefly
  B) Cockroach
  C) Termite
  D) Mosquito
  Show Answer
  The correct answer is C .
• Question 5: The following exist as free-living organisms except Options:
  A) Amoeba
  B) Chlamydomonas
  C) Euglena
  D) Spirogyra
  Show Answer
  The correct answer is D .
• Question 6: Gregor Mendel is regarded as the father of ______ Options:
  A) variation
  B) genetics
  C) mycology
  D) natural selection
  Show Answer
  The correct answer is B .
• Question 7: In bryophytes, sex organs are produced in the Options:
  A) protonema
  B) sporophyte
  C) gametophyte
  D) rhizoid
  Show Answer
  The correct answer is C .
• Question 8: Countershading is an adaptive feature that enables animals to Options:
  A) fight enemies
  B) remain undetected
  C) warn enemies
  D) attract mates
  Show Answer
  The correct answer is B .
• Question 9: The sequence of the biomes in Nigeria from port Harcourt to Damaturu is Options:
  A) estuarine → rain forest → Guinea Savannah → Sahel Savannah
  B) rain forest → Guinea savannah → estuarine → desert
  C) estuarine → Guinea savannah → rain forest → Sahel savannah
  D) rain forest → estuarine → Guinea savannah → desert
  Show Answer
  The correct answer is A .
• Question 10:

  A population is defined as the collection of

  Options:
  A) Similar organism that are found in the same habitat
  B) Similar organisms that breed in the same habitat
  C) Similar organisms that interbreed freely in the same habitat
  D) Similar organism eating the same food
  E) Different organisms in the same habitat
  Show Answer
  The correct answer is C .