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 191: If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because? Options:
  A) water does not reach the leaves
  B) water and salts remained below the ring portion
  C) there is a withdrawal of water from the root by soil
  D) manufactured food does not reach the roots
  E) the roots store too much water
  Show Answer
  The correct answer is D .
• Question 192: Hydra removes undigested food by Options:
  A) passing it through the anus
  B) passing it through the mouth
  C) means of a contractile vacuole
  D) egesting it through the body surface
  Show Answer
  The correct answer is B .
• Question 193: Which of the following is the youngest plant tissue Options:
  A) Meristem
  B) Phloem
  C) Epidermis
  D) Xylem
  Show Answer
  The correct answer is A .
• Question 194:

  The presence of ______ for swimming in a tad-pole enables it to adapt in an aquatic habitat.

  Options:
  A) Gills
  B) Swim bladder
  C) Tail
  D) Fins
  Show Answer
  The correct answer is C .
• Question 195: If an animal is very active and has good muscular control, it is likely to have well-developed Options:
  A) Olfactory lobes
  B) Cerebral hemisphere
  C) Optic lobes
  D) Cerebellum
  E) Spinal cord
  Show Answer
  The correct answer is D .
• Question 196:

  

  Blood vessels usually pass through the structure labelled

  Options:
  A) III
  B) II
  C) V
  D) IV
  Show Answer
  The correct answer is B .
• Question 197: Which of the following scenarios is an example of cohesion? Options:
  A) Water molecules stick to the surface of a mirror.
  B) Water sticks to the walls of blood vessels.
  C) Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
  D) Water molecules stick to one another and form a bead
  Show Answer
  The correct answer is D .
• Question 198:

  Which of the following factors primarily affects the distribution of organisms in an ecosystem

  Options:
  A) Wind speed
  B) Soil pH
  C) Temperature
  D) Day length
  Show Answer
  The correct answer is C .
• Question 199: A good example of a disploblastic bryophytes from flowering plants is the Options:
  A) ameoba
  B) hydra
  C) earthworm
  D) round worm
  Show Answer
  The correct answer is B .
• Question 200: 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 .