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 711: Woman do not suffer from colour blindness because Options:
  A) the trait is sex-linked
  B) only men are colour blind
  C) the genes are recessive and sex-linked
  D) the genes occur on both the X and Y chromosomes
  Show Answer
  The correct answer is C .
• Question 712: All living cells require water because it Options:
  A) is a medium for all metabolic reactions
  B) is a medium that neutralizes the acids in cells
  C) is the main source of energy for the cell
  D) prevents the development of dieseases in cells
  Show Answer
  The correct answer is A .
• Question 713: Which of the following helps in the clotting of blood? Options:
  A) Red blood cells
  B) White blood cells
  C) Plasma
  D) Platelets
  Show Answer
  The correct answer is D .
• Question 714: Insects that goes through adult stage without becoming pupa are except ________ Options:
  A) crickets
  B) cockroach
  C) grasshopper
  D) bees
  Show Answer
  The correct answer is D .
• Question 715: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) gills ⇢ operculum ⇢ mouth
  B) mouth ⇢ gills ⇢ operculum
  C) mouth ⇢ operculum ⇢ gills
  D) operculum ⇢ mouth ⇢ gills
  Show Answer
  The correct answer is B .
• Question 716: Which of the following sequences is the correct arrangement of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside ? Options:
  A) pith , phloem, cambium, xylem, parenchyma, collenchyma and epidermis
  B) Xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis
  C) Pith,xylem, cmbium,phloem,, collenchyma, parenchyma and epidermis
  D) phloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis
  Show Answer
  The correct answer is C .
• Question 717: In a soil sample, the relative amouunts of the different soil particles can best be determined by the process of Options:
  A) filtration
  B) centrifugation
  C) precipitation
  D) sedimentation
  Show Answer
  The correct answer is D .
• Question 718:

  Trees in Savanna habitats usually have thick bark which mainly.

  Options:
  A) Reduces the rate of transpiration
  B) Protect them from scorching sun
  C) Protect them from heavy winds
  D) Resist bush fires
  Show Answer
  The correct answer is A .
• Question 719: Gestation in mammals is the period Options:
  A) required for growth after birth
  B) between the formation of the foetus and birth
  C) of development from zygote to birth
  D) before the formation of the zygote
  Show Answer
  The correct answer is B .
• Question 720:

  

  The part labelled II is the

  Options:
  A) fenestra ovalis
  B) middle ear canal
  C) internal auditrory meatus
  D) ear ossicles
  Show Answer
  The correct answer is D .