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 981: The absence of stomata shows that a leaf may be Options:
  A) from a floating plant
  B) from submerged plant
  C) varigated
  D) from a terrestrial plant
  E) from parasitic green plant
  Show Answer
  The correct answer is B .
• Question 982: 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 983: The ability of the cockroach to live in cracks and crevices is enhanced by the possession of Options:
  A) wings and segmented body
  B) compound eyes
  C) claws on the leg
  D) dorso-ventrally flattened body
  Show Answer
  The correct answer is D .
• Question 984: An increase in air pressure in the lungs is due to the Options:
  A) increase in the volume of the thoracic cavity
  B) upward movement of he ribs
  C) relaxation of the diaphragm
  D) contraction of the intercostal musles
  Show Answer
  The correct answer is C .
• Question 985:

  

  Use the diagram above to answer this question.

  The part labelled IV is the

  Options:
  A) mitochondrion
  B) cell wall
  C) endoplasmic reticulum
  D) nucleus
  Show Answer
  The correct answer is C .
• Question 986:

  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 987:

  

  The part labelled II is the

  Options:
  A) silk thread
  B) thorax
  C) fore wing
  D) anchor
  Show Answer
  The correct answer is A .
• Question 988:
  

  Use the diagram above to answer this question.

  The movement of material in the xylem and phloem tissues of the plant are represented by the arrows labelled

  Options:
  A) lll and IV respectively
  B) ll and l respectively
  C) l and ll respectively
  D) l and lll respectively
  Show Answer
  The correct answer is A .
• Question 989:

  The movement of part of a plant in response to external stimulus of no particular direction is?

  Options:
  A) taxism
  B) tropism
  C) haptotropic movement
  D) nastic movement
  Show Answer
  The correct answer is D .
• Question 990: Which of these is a direct photosynthetic product? Options:
  A) fats
  B) glucose
  C) latex
  D) protein
  E) starch
  Show Answer
  The correct answer is B .