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 691:

  The function of pith in plant is

  Options:
  A) absorb mineral salt and nutrient from the soil
  B) store and transport nutrients throughout the plant
  C) trap chlorophyll from the sunlight
  D) Removal of waste product from the plant
  Show Answer
  The correct answer is B .
• Question 692:

  

  Which of the labelled part in the figure above will develop into new bulb?

  Options:
  A) 1
  B) 4
  C) 2
  D) 3
  E) 5
  Show Answer
  The correct answer is D .
• Question 693: The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the Options:
  A) amnion
  B) uterus
  C) placenta
  D) umbilical cord
  E) fallopian tube
  Show Answer
  The correct answer is C .
• Question 694: Which of the following is NOT caused by bacteria? Options:
  A) Cholera
  B) Gonorrhoea
  C) Tuberculosis
  D) Onchoceriasis
  E) Typhoid
  Show Answer
  The correct answer is D .
• Question 695: The Rhesus factor of blood was first identified in a category of Options:
  A) monkeys
  B) human females
  C) human males
  D) chimpanzees
  Show Answer
  The correct answer is A .
• Question 696:

  

  In the diagram, the organ through which the embryo receives food, water and oxygen is labelled

  Options:
  A) iii
  B) iv
  C) ii
  D) i
  Show Answer
  The correct answer is C .
• Question 697:

  Which of the following statements is true about sandy soil?

  Options:
  A) has limited air space
  B) is light and easy to dig
  C) drains slowly
  D) is heavy and poorly aerated
  Show Answer
  The correct answer is B .
• Question 698: Which of the following hormones is produced during fright or when agitated? Options:
  A) Insulin
  B) Adrenalin
  C) Thyroxine
  D) Pituitrin
  E) Progesterone
  Show Answer
  The correct answer is B .
• Question 699: One of adaptation of Cactus opuntia to conserve water is the reduction of Options:
  A) internodes
  B) stem to leaves
  C) leaves to spine
  D) flower size
  Show Answer
  The correct answer is C .
• Question 700: The organ which is sensitive to light in Euglena is the Options:
  A) gullet
  B) flagellum
  C) chloroplast
  D) eyespot
  Show Answer
  The correct answer is D .