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 2301: when the two alleles present in an organism are of the same type, the genotype is described as Options:
  A) heterozygous
  B) heterogamous
  C) homozygous
  D) homologous
  Show Answer
  The correct answer is C .
• Question 2302: The type of reproduction that leads to variation animal and plant population is Options:
  A) budding
  B) sexual
  C) vegetative
  D) asexual
  Show Answer
  The correct answer is B .
• Question 2303: A germinating seed requires oxygen which is essential for Options:
  A) Converting carbohydrate into glucose
  B) Transporting energy from one part of the plant to another
  C) The production of energy by oxidising essential carbohydrate
  D) Hydrolysis of proteins
  E) The formation of water molecules within the germinating seed
  Show Answer
  The correct answer is C .
• Question 2304: One of the ways which body cells differ from gamete cells is in the Options:
  A) type of centromeres they contain
  B) number of chromosomes pairs they contain
  C) type of chromatide they contain
  D) number of chromosomes they contain
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  The correct answer is D .
• Question 2305: In insects, the structures that performs the same function as the kidney in man is the Options:
  A) nephridrium
  B) flame cell
  C) malphigian tubule
  D) trachea
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  The correct answer is C .
• Question 2306: A collection of population of all living organisms that exist in a habitat is referred to as Options:
  A) niche
  B) ecosystem
  C) community
  D) environment
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  The correct answer is C .
• Question 2307: The irreversible life process by which new protoplasm is added to increase the size and weight of an organism can be termed Options:
  A) anabolism
  B) catabolism
  C) growth
  D) development
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  The correct answer is C .
• Question 2308:

  The role of scolex in tapeworm is to

  Options:
  A) excretion
  B) attachment to the host
  C) movement
  D) breathing
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  The correct answer is B .
• Question 2309: The part of a domestic fowl responsible for preventing heat loss is the Options:
  A) filoplume
  B) contour feather
  C) down feather
  D) quill
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  The correct answer is C .
• Question 2310: In vegetation propagation, which of the following requires part of another plant to develop? Options:
  A) Scion
  B) Bulb
  C) Rhizome
  D) Sucker
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  The correct answer is A .