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 951: One of the function of xylem is Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  E) storing unused sugar
  Show Answer
  The correct answer is A .
• Question 952: When a peacock displays its colourful feathers, it is Options:
  A) ready for a fight
  B) protecting itself from predators
  C) protecting its mate from predators
  D) courting a female
  Show Answer
  The correct answer is D .
• Question 953: A collection of achenes formed from several carpels of a flower is Options:
  A) a multiple fruit
  B) an aggregate fruit
  C) a shizocarp
  D) a simple fruit
  Show Answer
  The correct answer is C .
• Question 954: In the kidney, both useful substances and wastes are removed from the blood by Options:
  A) Filtration
  B) selective absorption
  C) dialysis machine
  D) excretion
  Show Answer
  The correct answer is A .
• Question 955: The division of a body into two equal halves along a longitudinal plane is called Options:
  A) bilateral symmetary
  B) transverse section
  C) radial symmetry
  D) longitudinal section
  Show Answer
  The correct answer is A .
• Question 956:

  When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap,it?

  Options:
  A) remains unchanged
  B) takes tip water and burst
  C) absorbs a little water
  D) loses water and shrivels
  Show Answer
  The correct answer is D .
• Question 957:

  Sources of air pollutants are

  Options:
  A) industrial chimneys, burning fossil oils and river dams
  B) sulphurdioxide, acid rain and pesticides
  C) sulphur dioxide, vehicle exhausts, and aerosols
  D) sewage,smoke and old vehicles
  Show Answer
  The correct answer is C .
• Question 958: A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that Options:
  A) the shoot absorbed 1g of water per hour
  B) 1g of water per hour evaporates from the potometer
  C) the shoot lost 1g of water per hour
  D) the potometer water receded at the rate of 1g per hour
  E) the shoot was respiring and lost weight at rate of 1g per hour
  Show Answer
  The correct answer is C .
• Question 959: Which path does sound entering the human ear follow? Options:
  A) Oval window → ossicles → ear drum
  B) Ear drum → oval window → ossicles
  C) Ear drum → ossicles → oval window
  D) Ossicles → ear drum → oval window
  Show Answer
  The correct answer is C .
• Question 960: Which of the following structure is adapted for feeding in a bird of prey? Options:
  A) Hooked break and sharp claws
  B) Smooth beak and strong claws
  C) Big beaks and strong feet
  D) Pointed beak and strong claws
  Show Answer
  The correct answer is A .