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 401:

  Choose the sequence which represents the correct order of organisms in a food chain

  Options:
  A) Grass, snake, toad, grasshopper, hawk
  B) Grass, grasshopper, toad, snake, hawk
  C) Grass, grasshopper, snake, toad, hawk.
  D) Grass, snake, grasshopper, toad, hawk
  Show Answer
  The correct answer is B .
• Question 402: The sequence of the one-way gaseous exchange mechanism in a fish is Options:
  A) operculum → gills → mouth
  B) gills → operculum → mouth
  C) mouth → operculum → gils
  D) mouth → gills → operculum
  Show Answer
  The correct answer is D .
• Question 403:

  The internal structure of a leaf that has larger air space is?

  Options:
  A) palisade mesophyll
  B) epidermis
  C) spongy mesophyll
  D) vascular bundles
  Show Answer
  The correct answer is C .
• Question 404:

  

  In the diagram, the experiment demonstrates

  Options:
  A) geotropism
  B) thigmotropism
  C) phototropism
  D) hydrotropism
  Show Answer
  The correct answer is A .
• Question 405:

  

  Which of the labelled parts of the cell contains ribonucleic acid?

  Options:
  A) 1
  B) 2
  C) 3
  D) 5
  Show Answer
  The correct answer is C .
• Question 406: Which of the following features of euglena is found only in animals? Options:
  A) Paramylum granules
  B) Flagellum
  C) Pellicle
  D) Pyrenoid
  Show Answer
  The correct answer is C .
• Question 407:

  People who suck petrol with their mouths run the risk of increasing in their blood the concentration of

  Options:
  A) iron
  B) lead
  C) calcium
  D) magnesium
  Show Answer
  The correct answer is B .
• Question 408: Angiosperms and gymnosperms belong to the plants group known as Options:
  A) schizophyta
  B) bryophyta
  C) pteridophyta
  D) spermatophyta
  Show Answer
  The correct answer is D .
• Question 409: If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of Options:
  A) codominance
  B) incomplete dominance
  C) mutation
  D) linkage
  Show Answer
  The correct answer is B .
• Question 410: One common feature of the fungi, algae, mosses and ferns is that they Options:
  A) are photosynthetic
  B) show alternation of generation
  C) reproduce by means of conjugation
  D) can survive dry conditions
  E) have no seeds
  Show Answer
  The correct answer is E .