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 1211:

  

  The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.

  What physiological term can used to describe the regulation of the body temperature of the of the lizard?

  Options:
  A) Homeostasis
  B) Homoithermy
  C) Poikilothermy
  D) Osmoregulation
  Show Answer
  The correct answer is C .
• Question 1212: A samara differs from a cypsela by having Options:
  A) an extended pericarp
  B) a hard pericarp
  C) a pericarp fused with seed coat
  D) some hairy outgrowth on the pericarp
  Show Answer
  The correct answer is A .
• Question 1213: Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry Options:
  A) 1, 2, 3
  B) 1, 2, 5
  C) 2, 3, 5
  D) 2, 4, 5
  E) 1, 3, 5
  Show Answer
  The correct answer is A .
• Question 1214: The small masses of nervous tissues in which many neurones have their nuclei are called Options:
  A) dorsal roots
  B) ventral roots
  C) ganglia
  D) synapses
  Show Answer
  The correct answer is C .
• Question 1215:

  A freshwater plant such as water lily can solve the problem of buoyancy by the possession of?

  Options:
  A) aerenchyma tissues
  B) dissected leaves
  C) thin cell walls of the epidermis
  D) water-repelling epidermis
  Show Answer
  The correct answer is A .
• Question 1216: when the two alleles present in an organism are of the same type, the genotype is described as Options:
  A) heterozygous
  B) heterogamous
  C) homozygous
  D) homologous
  Show Answer
  The correct answer is C .
• Question 1217: Excretory products responsible for the red, purple and blue colours of flowers are called Options:
  A) alkaloid
  B) tannins
  C) anthocyanins
  D) resins
  Show Answer
  The correct answer is C .
• Question 1218: The two keys cation involved in the action potential of nervous transmissions are Options:
  A) Na⁺ an Fe²⁺
  B) Mg²⁺ and K⁺
  C) Na⁺ and K⁺
  D) Fe²⁺ and Mg²⁺
  Show Answer
  The correct answer is C .
• Question 1219:

  The natural place of an organism or community is known as

  Options:
  A) Niche
  B) Habit
  C) Biome
  D) Habitat
  Show Answer
  The correct answer is D .
• Question 1220: Which of these tissue serves the function of support and water conduction Options:
  A) Parenchyma
  B) Collenchymas
  C) Sclerenchyma
  D) Xylem
  E) Phloem
  Show Answer
  The correct answer is D .