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 901: Both recessive and dominant characters are found Options:
  A) on different chromosomes in the cell
  B) at the same locus of a homologous chromosome
  C) at different loci of a homologous chromosome
  D) on the same chromatid in a chromosome
  Show Answer
  The correct answer is B .
• Question 902:

  In a population of living things, the parameters of size, height, weight and colours are examples of

  Options:
  A) continuous variation
  B) non-heritable variation
  C) discontinuous variation
  D) physiological variation
  Show Answer
  The correct answer is A .
• Question 903:

  

  The part labelled 3 is the

  Options:
  A) leaf scar
  B) lenticle
  C) auxillary bud
  D) girdle scar
  Show Answer
  The correct answer is C .
• Question 904:

  Which of the following is true in blood transfusion?

  Options:
  A) A person of blood group AB can donate blood only to another person of blood group AB
  B) Persons of blood groups A and B can donate or receive blood from each other
  C) A person of blood group AB can receive blood only from persons of blood group A or B
  D) A person of blood group O can donate only to a person of blood group O
  Show Answer
  The correct answer is A .
• Question 905: Nervous control differs from hormonal control in that the former Options:
  A) involves only chemical transmision
  B) is a lower process
  C) produces short-term changes
  D) has no specific pathway
  Show Answer
  The correct answer is C .
• Question 906: The vascular tissues in higher plants are responsible for Options:
  A) the movement of food and water
  B) suction pressure
  C) transpiration pull
  D) the transport of gases and water
  Show Answer
  The correct answer is A .
• Question 907: People wit sickle-cell anaemia have haemoglobin Options:
  A) S and are homozygous recessive
  B) A and are heterozygous recessive
  C) S and are heterozygous recessive
  D) A and are homozygous recessive
  Show Answer
  The correct answer is A .
• Question 908: The insects in which the maxillae are modified into a long coiled proboscis is Options:
  A) housefly
  B) butterfly
  C) mosquito
  D) grasshopper
  Show Answer
  The correct answer is B .
• Question 909: In an ecosystem, animals which feed directly on plants are called Options:
  A) secondary consumers
  B) primary consumers
  C) producers
  D) predators
  Show Answer
  The correct answer is B .
• Question 910: The kind of teeth used for tearing food materials is the Options:
  A) fang
  B) canine
  C) premolar
  D) carnassial
  E) incisor
  Show Answer
  The correct answer is B .