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 2271:
  

  The function of the absorption is performed by the structure labelled

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is B .
• Question 2272: A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was Options:
  A) Tap water
  B) a very strong sugar solution
  C) a weak sugar solution
  D) a very weak salt solution
  E) distilled water
  Show Answer
  The correct answer is B .
• Question 2273: Urea formation occurs in the Options:
  A) heart
  B) liver
  C) lung
  D) kidney
  Show Answer
  The correct answer is B .
• Question 2274: The mammalian endocrine system is responsible for Options:
  A) transmitting impulse
  B) regulating body temperature
  C) regulating osmotic pressure of blood
  D) chemical co-ordination
  E) the manufacture of blood
  Show Answer
  The correct answer is D .
• Question 2275:

  

  Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

  Options:
  A) nucleolus
  B) cell wall
  C) cytoplasm
  D) mitochondrion
  Show Answer
  The correct answer is B .
• Question 2276: An individual with blood group AB can receive blood from those in blood group(s) Options:
  A) A, B, AB, O
  B) A, AB and O only
  C) AB only
  D) A and B only
  Show Answer
  The correct answer is A .
• Question 2277: A blue-green alga is not a protophyte because Options:
  A) it is aquatic
  B) its cells are prokaryotic
  C) it cannot move
  D) it is not a green plant
  Show Answer
  The correct answer is D .
• Question 2278:

  The bright colours of the comb and feathers in the peacock are for?

  Options:
  A) sex differentiation
  B) beauty
  C) courtship
  D) defence
  Show Answer
  The correct answer is C .
• Question 2279: Which one of the following animals is NEVER a secondary host of tapeworms? Options:
  A) cow
  B) Fish
  C) Pig
  D) Man
  E) Dog
  Show Answer
  The correct answer is D .
• Question 2280: 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 .