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 261: What is the function of Trichocyst in paramecium? Options:
  A) Movement
  B) Defence
  C) Excretion
  D) Reproduction
  Show Answer
  The correct answer is B .
• Question 262: The plantain reproduces asexually by Options:
  A) suckers
  B) buds
  C) fragments
  D) spores
  Show Answer
  The correct answer is A .
• Question 263:

  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 264: Which of the following animals is cold blooded Options:
  A) Cat
  B) Lizard
  C) Whale
  D) Bird
  E) Horse
  Show Answer
  The correct answer is B .
• Question 265: The presence of endoskeleton is characteristic of Options:
  A) invertebrata
  B) vertebrata
  C) insecta
  D) coelenterata
  Show Answer
  The correct answer is B .
• Question 266: Darwin is considered the first scientist who correctly explained the theory of Options:
  A) special creation
  B) spontaneous generation
  C) use and disuse
  D) organic evolution
  Show Answer
  The correct answer is D .
• Question 267:

  

  The main function of the structure labelled 2 is to

  Options:
  A) protect the inner parts of the seed
  B) nourish the embryo and the growing plant
  C) keep the inner parts moist
  D) maintain the shape if the seed
  Show Answer
  The correct answer is B .
• Question 268: Which of these responses is not voluntarily controlled by the brain? Options:
  A) Dancing
  B) Eating
  C) Sneezing
  D) Writing
  Show Answer
  The correct answer is C .
• Question 269: Which of these food chains is NOT possible in a forest? Options:
  A) Diatom → fly → toad → snake
  B) Fly → toad → snake→ hawk
  C) Leaves → antelope → man → lion
  D) Leaves → caterpillar → bird → lion
  E) Leaves →goat → man→ lion
  Show Answer
  The correct answer is E .
• Question 270: The Southern Guinea Savanna differs from the Northern Guinea Savanna in that it has Options:
  A) lower rainfall and shorter grasses
  B) less grasses and scattered trees
  C) more rainfall and taller grasses
  D) less arboreal and burrowing animals
  Show Answer
  The correct answer is C .