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 1281: The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the Options:
  A) collar bones and coccyx
  B) pectoral and pelvic girdles
  C) scapulae and clavicles
  D) vertebrae and sternum
  Show Answer
  The correct answer is B .
• Question 1282: The element that is essential for the coagulation of blood is Options:
  A) potassium
  B) calcium
  C) phosphorus
  D) iron
  Show Answer
  The correct answer is B .
• Question 1283: Which one of the following option is not true for mucor of Rhizophus? it Options:
  A) Grows on moist dead organic matter
  B) Is a plant
  C) Has cellulose cell-wall
  D) Reproduce asexually by producing a spore
  E) Has no chlorophyll
  Show Answer
  The correct answer is B .
• Question 1284:

  A plant tissue that carries water and mineral salt is

  Options:
  A) Xylem
  B) Cortex
  C) Phloem
  D) Cambium
  Show Answer
  The correct answer is A .
• Question 1285:

  Which of the following blood vessels carries oxygenated blood away from the heart?

  Options:
  A) Arteries
  B) Venules
  C) Capillaries
  D) Veins
  Show Answer
  The correct answer is A .
• Question 1286: The major function of contractile vacuole in amoeba is Options:
  A) to secrete enzyme to digest food particles
  B) to store excess food materials
  C) to excrete nitrogenous waste
  D) to absorb water from the surrounding
  E) to collect and expel water in the cytoplasm
  Show Answer
  The correct answer is E .
• Question 1287: Low annual rainfall, sparse vegetation , high diurnal temperatures and cold nights are characteristic features of the Options:
  A) tropical rainforest
  B) desert
  C) montane forest
  D) guinea savanna
  Show Answer
  The correct answer is B .
• Question 1288:

  

  In the diagram, the genotypic ratio of the offspring of the cross is

  Options:
  A) 1:2
  B) 1:2:1
  C) 1:1:1:1
  D) 3:1
  Show Answer
  The correct answer is B .
• Question 1289: Double fertilization is a unique feature of Options:
  A) angiosperms
  B) bryophytes
  C) pteridophytes
  D) algae
  Show Answer
  The correct answer is A .
• Question 1290:

  Which of the following organs can be considered vestigial in humans but functional in other mammals

  Options:
  A) The liver
  B) Appendix
  C) Rectum
  D) Stomach
  Show Answer
  The correct answer is B .