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 701:

  

  The structure labelled 5 is the

  Options:
  A) neucleolus
  B) Golgi body
  C) mitochondrion
  D) vacuole
  Show Answer
  The correct answer is B .
• Question 702: Which of the following organisms has lost the pentadactyl limb structure? Options:
  A) Bat
  B) Fish
  C) Frog
  D) Pigeon
  Show Answer
  The correct answer is C .
• Question 703: A man with blood group a is married to a woman with blood group A. Which of the following group combinations is possible if the family has three children? Options:
  A) B, A, AB
  B) O, A, B
  C) B, AB, AB
  D) A, O, A
  Show Answer
  The correct answer is D .
• Question 704:

  Only specially adapted micro-organisms are found in

  Options:
  A) Salty water
  B) Humid air
  C) Moist soil
  D) Mouth cavities
  Show Answer
  The correct answer is A .
• Question 705: The mineral nutrient that is most bound to the soil is Options:
  A) phosphorus
  B) calcium
  C) iron
  D) potassium
  Show Answer
  The correct answer is C .
• Question 706: Both recessive and dominant characters are found Options:
  A) on different chromosomes in the cell
  B) at the same locus of a homologous chromosome
  C) at different loci of a homologous chromosome
  D) on the same chromatid in a chromosome
  Show Answer
  The correct answer is B .
• Question 707: In a plant exhibiting alternation of generations, the diploid multicellular stage is known as Options:
  A) gametophyte
  B) spermatophyte
  C) holophyte
  D) sporophyte
  Show Answer
  The correct answer is D .
• Question 708:

  An adaptive feature of camel to the desert is?

  Options:
  A) ability to increase sweat production
  B) ability to pass high amount of urine
  C) ability to tolerate low degree of dehydration
  D) ability to tolerate high degree of dehydration
  Show Answer
  The correct answer is D .
• Question 709: Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of Options:
  A) insufficient glucose
  B) excess carbon dioxide
  C) excess protein
  D) insufficient oxygen
  Show Answer
  The correct answer is D .
• Question 710:

  

  In the illustration above, the genotypes of the offsprings are

  Options:
  A) 1 heterozygous smooth : 2 homozygous smooth : 1 wrinkled
  B) 1 homozygous smooth : 2 heterozygous smooth : 1 wrinkled
  C) 2 homozygous smooth : 2 wrinkled
  D) 3 heterozygous smooth : 2 wrinkled
  Show Answer
  The correct answer is B .