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 1801: The transfer of pollen grains from the anther to a sigma is Options:
  A) propagation
  B) placentation
  C) pollination
  D) fertilization
  Show Answer
  The correct answer is C .
• Question 1802: Which of the following statements gives the BEST description of bark? Options:
  A) Tissue outside the vascular cambium
  B) Cork-like tissue found only in stems
  C) Brown tissue never found in primary growth
  D) Cork-like tissues of old trees
  Show Answer
  The correct answer is B .
• Question 1803:

  What is the tissue responsible for transporting water and minerals from the roots to the rest of the plant?

  Options:
  A) Xylem
  B) Epidermis
  C) Parenchyma
  D) Phloem
  Show Answer
  The correct answer is A .
• Question 1804: Which of the following instruments is NOT used in measuring abiotic factors in any habitat? Options:
  A) Microscopic
  B) Thermometer
  C) Hygrometer
  D) Wind vane
  Show Answer
  The correct answer is A .
• Question 1805: If a person is bitten by a snake on the leg, it is advisable for him to Options:
  A) keep moving so that the venom will ooze out with bleeding
  B) Wash the wound with water containing antiseptic
  C) bandage the wound so that germs do not get in through it
  D) Keep still and apply a tourniquet above the wound
  Show Answer
  The correct answer is D .
• Question 1806: 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 1807: Which of the following cell constituents is NOT common in both plants and animals? Options:
  A) Mitochondria
  B) Chloroplast
  C) Ribosomes
  D) Golgi apparatus
  E) Vacuoles
  Show Answer
  The correct answer is B .
• Question 1808: The intensity of competition among animals in a given area will increase with Options:
  A) an increase in the frequency of disease outbreaks
  B) an increase in population size
  C) a decrease in immigration rate
  D) an increase in the emigration rate
  Show Answer
  The correct answer is B .
• Question 1809: What proportion of the offspring of a cross between two heterozygous parents will exhibit the recessive condition phenotypically Options:
  A) 1/4
  B) 1/2
  C) 3/4
  D) 4/4
  Show Answer
  The correct answer is A .
• Question 1810:

  

  In the diagram, the likely pollinating agent of the flower is

  Options:
  A) wind
  B) water
  C) insect
  D) man
  Show Answer
  The correct answer is C .