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 621:

  In genetic counseling, a man with hemoglobin formation HbAHbS is most preferred to marry a woman of?

  Options:
  A) HbA HbA
  B) HbC HbH
  C) HbM HbF
  D) HbS HbS
  Show Answer
  The correct answer is A .
• Question 622: Aged erythrocytes are dissolved in the Options:
  A) pancreas
  B) liver
  C) lymph nodes
  D) kidney
  Show Answer
  The correct answer is B .
• Question 623: 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 .
• Question 624: The lungs of the lung fish is an adaptation for respiration _______? Options:
  A) to complement gills while in water
  B) to complement gills while on land
  C) while on land
  D) while in water
  Show Answer
  The correct answer is D .
• Question 625:

  

  The part labelled 3 is the

  Options:
  A) leaf scar
  B) lenticle
  C) axillary bud
  D) girdle scar
  Show Answer
  The correct answer is C .
• Question 626: A characteristic that distinguishes bryophytes from flowering plants is the Options:
  A) possession of true stems and leaves
  B) ability to reproduce asexually
  C) absence of vascular tisssues
  D) ability to grow in moist habitats
  Show Answer
  The correct answer is C .
• Question 627: The ability of a living organism to detect and respond to changes in the environment is referred to as Options:
  A) locomotion
  B) taxis
  C) irritability
  D) growth
  Show Answer
  The correct answer is C .
• Question 628: The blood circulatory system of vertebrates consists of Options:
  A) heart, arteries, capillaries and veins
  B) heart, aorta, capillaries and veins
  C) heart, aorta, arteries and veins
  D) heart, vena cava, arteries, and veins
  Show Answer
  The correct answer is A .
• Question 629: Oestrogen is a hormone that is synthesized in the Options:
  A) ovaries
  B) testes
  C) anterior pituitary
  D) adrenal cortex
  Show Answer
  The correct answer is A .
• Question 630:

  A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a

  Options:
  A) kingdom
  B) class
  C) family
  D) species
  Show Answer
  The correct answer is D .