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 961:

  What is the function of contractile vacuole in paramecium?

  Options:
  A) Produces Enzymes
  B) Gets rid of excreta
  C) Stores and digest food
  D) Gets rid of excess water
  Show Answer
  The correct answer is D .
• Question 962: An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ? Options:
  A) Radiation
  B) Sweat
  C) Evaporation
  D) Conduction
  E) Convection
  Show Answer
  The correct answer is E .
• Question 963: A yellow maize is crossed with a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit Options:
  A) dominance
  B) recessiveness
  C) codominance
  D) incomplete dominance
  Show Answer
  The correct answer is B .
• Question 964: Which of the following is a polysaccharide? Options:
  A) Glucose
  B) Sucrose
  C) Maltose
  D) Cellulose
  Show Answer
  The correct answer is D .
• Question 965: During mammalian embryo development, large amounts of oestrogen and progesterone are produced in the Options:
  A) umbilical cord
  B) amnion
  C) placenta
  D) amniotic fluid
  Show Answer
  The correct answer is C .
• Question 966: A food chain always begins with a Options:
  A) consumer
  B) decomposer
  C) producer
  D) primary consumer
  Show Answer
  The correct answer is C .
• Question 967: The mode of nutrition of sun dew and bladder wort can be described as Options:
  A) saprophytic
  B) holozoic
  C) chemosynthetic
  D) autotrophic
  Show Answer
  The correct answer is B .
• Question 968: Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry Options:
  A) 1, 2, 3
  B) 1, 2, 5
  C) 2, 3, 5
  D) 2, 4, 5
  E) 1, 3, 5
  Show Answer
  The correct answer is A .
• Question 969: In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the Options:
  A) the primary consumer has more energy than the primary poducer
  B) secondary consumer takes up all the energy contents of the primary consumer
  C) energy is shared equally between the three groups of organism
  D) secondary consumer gets only a small portion of the energy contained in the primary producer
  Show Answer
  The correct answer is D .
• Question 970: The order of passage of food in the digestive system is? Options:
  A) ileum → caecum → large intestine → rectum
  B) ileum → colon → caecum →rectum
  C) large intestine →ileum → caecum →rectum
  D) colon → caecum → ileum →rectum
  Show Answer
  The correct answer is A .