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 1381: 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 1382:

  

  Which of the plants is likely to be desert species?

  Options:
  A) U
  B) T
  C) S
  D) R
  Show Answer
  The correct answer is A .
• Question 1383: A person whose blood can be donated to all other people, must have the blood group Options:
  A) O
  B) AB
  C) B
  D) A
  E) none of the above
  Show Answer
  The correct answer is A .
• Question 1384: The structural adaptation of desert plants for water conservation is Options:
  A) broad leaves with numerous stomata
  B) spongy mesophyll
  C) spiny leaves
  D) prominent stomata in leaves
  Show Answer
  The correct answer is C .
• Question 1385: Poliomyelitis is an infectious diseases caused by Options:
  A) virus
  B) protozoan
  C) bacterium
  D) fungus
  Show Answer
  The correct answer is A .
• Question 1386:

  An ecological instrument used to measure wind direction is?

  Options:
  A) Secchi disc
  B) wind vane
  C) anemometer
  D) slope gauge
  Show Answer
  The correct answer is B .
• Question 1387:

  Which of the following statements best describes the role of competition in the process of adaptation?

  Options:
  A) Competition leads to the selection of individuals with favorable traits for survival and reproduction
  B) Competition ensures equal distribution of resources among individuals in a population
  C) Competition leads to the development of new traits and adaptations in a population
  D) Competition reduces the need for adaptations as individuals coexist peacefully
  Show Answer
  The correct answer is A .
• Question 1388: The carrier of the hereditary character in plants and animal is the Options:
  A) Cell
  B) Nucleus
  C) Chromosome
  D) Chloroplast
  E) Gene
  Show Answer
  The correct answer is C .
• Question 1389:

  The above organism can be classified under which phylum in the animal kingdom

  Options:
  A) Nematoda
  B) Chordata
  C) Porifera
  D) Annelida
  Show Answer
  The correct answer is B .
• Question 1390: Physiological adaptation to very dry conditions in animals demonstrates Options:
  A) rejuvenation
  B) xeromorphism
  C) hibernation
  D) aestivation
  Show Answer
  The correct answer is D .