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 1121: Which of the following is common to a dicotyledonous stem and monocotyledonous root? Options:
  A) Medullary rays
  B) Central pith
  C) Wide cortex
  D) Narrow cortex
  E) Pericycle fibres
  Show Answer
  The correct answer is B .
• Question 1122:

  The hygrometer is used for measuring

  Options:
  A) Relative Humidity
  B) Specific Gravity
  C) Rainfall
  D) Salinity
  Show Answer
  The correct answer is A .
• Question 1123: The function of ribosomes in cell is Options:
  A) protein synthesis
  B) starch synthesis
  C) transport of materials
  D) lipid storage
  Show Answer
  The correct answer is A .
• Question 1124: Which of the following hormonal glands is located on top of the kidney? Options:
  A) Adrenal
  B) gonads
  C) pancreas
  D) thyroid
  Show Answer
  The correct answer is A .
• Question 1125: The importance of practising crop rotation in agriculture is to Options:
  A) maintain soil fertility
  B) improve the nutritional value of crops
  C) control soil erosion
  D) ensure the growth of crops
  Show Answer
  The correct answer is A .
• Question 1126: Paternity dispute can most accurately be resolved through the use of Options:
  A) Finger printing
  B) blood group typing
  C) DNA analysis
  D) tongue-rolling
  Show Answer
  The correct answer is C .
• Question 1127:

  

  In the diagram, the experiment demonstrates

  Options:
  A) geotropism
  B) thigmotropism
  C) phototropism
  D) hydrotropism
  Show Answer
  The correct answer is A .
• Question 1128: Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because Options:
  A) the deposits have remains of organisms characteristic of when they were formed
  B) different strata have remains of organisms of the same kind
  C) only organisms with strong parts are fossilized
  D) most animal and plant fossils bear little resemblance to present day living specimens
  Show Answer
  The correct answer is A .
• Question 1129:

  

  The structure above represents a

  Options:
  A) caudal vertebra
  B) lumbar vertebra
  C) thoracic vertebra
  D) cervical vertebra
  Show Answer
  The correct answer is D .
• Question 1130:

  Which of the following plant tissues is responsible for transporting water and nutrients from the roots to the rest of the plant?

  Options:
  A) Mesophyll
  B) Xylem
  C) Epidermis
  D) Phloem
  Show Answer
  The correct answer is B .