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 451:
  

  Which stage is found in the muscle of an infected pig?

  Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 452: When a person with blood belonging to group O has lost much blood due to an accident, he can be given blood from persons who have blood belonging to Options:
  A) group O only
  B) group A only
  C) group AB only
  D) groups A and O
  E) groups AB and O
  Show Answer
  The correct answer is A .
• Question 453: A tall plants crossed with a dwarf one produces offspring of which half are tall and half are dwarf. What are the genotypes of the parents? Options:
  A) TT, TT
  B) Tt, tt
  C) TT, tt
  D) Tt, Tt
  Show Answer
  The correct answer is B .
• Question 454: The host of Taenia Solium is _________ Options:
  A) cow
  B) pig
  C) sheep
  D) dog
  Show Answer
  The correct answer is B .
• Question 455:

  

  The structure above represents a quill feather. The structure labelled 'M' is the

  Options:
  A) quill
  B) rachis
  C) superior umbilicus
  D) inferior umbilicus
  E) aftershaft
  Show Answer
  The correct answer is C .
• Question 456: Which of the following elements are necessary for the formation of chlorophyll in a plant? Options:
  A) magnesium and iron
  B) Calcium and potassium
  C) Calcium and sulphur
  D) Potasium and sulphur
  E) Phosphorus and potassium
  Show Answer
  The correct answer is A .
• Question 457: If a plant homozygous for round and yellow (RR : YY), is crossed with a wrinkle green type (rr : yy) all of the resulting seeds will be Options:
  A) blue and wrinkled
  B) round and yellow
  C) wrinkled and yellow
  D) round and greenish yellow
  Show Answer
  The correct answer is B .
• Question 458: Which of the following instruments is used to measure relative humidity? Options:
  A) Hydrometer
  B) Thermometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is C .
• Question 459: When a virus is placed in a nonliving medium it Options:
  A) becomes dehydrated
  B) forms spores
  C) forms flagella
  D) becomes crystallized
  Show Answer
  The correct answer is D .
• Question 460: The part of the mammalian digestive system where absorption of nutrient takes place is the Options:
  A) ileum
  B) colon
  C) oesophagus
  D) duodenum
  Show Answer
  The correct answer is A .