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 831: A person with type O blood can donate to a patient with type A because the donor's blood Options:
  A) lacks antigens
  B) lacks anti-A antibodies
  C) lacks anti-B antibodies
  D) has both anti-A and anti-B antibodies
  Show Answer
  The correct answer is A .
• Question 832: when protein are broken down they also provide Options:
  A) oxygen
  B) carbonhydrate
  C) energy
  D) amino-acid
  E) carbon dioxide
  Show Answer
  The correct answer is D .
• Question 833: If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{4}$
  C) $\frac{1}{4}$
  D) 1
  Show Answer
  The correct answer is C .
• Question 834: Which of the following is true of small pox? Options:
  A) It is transmitted by bacteria
  B) It can effectively be controlled with antibiotics
  C) It can effectively be controlled by vaccination
  D) It is a water-borne infection
  Show Answer
  The correct answer is C .
• Question 835: If the anthers of a flower mature before the stigma, the condition is termed Options:
  A) epigyny
  B) hypogyny
  C) protogyny
  D) protandry
  E) perigyny
  Show Answer
  The correct answer is D .
• Question 836: Which of the following sequences is the correct arrangement of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside ? Options:
  A) pith , phloem, cambium, xylem, parenchyma, collenchyma and epidermis
  B) Xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis
  C) Pith,xylem, cmbium,phloem,, collenchyma, parenchyma and epidermis
  D) phloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis
  Show Answer
  The correct answer is C .
• Question 837:

  Study the diagram of a food chain shown and use it to answer the question.

  P ---> Q ---> R ---> S ---> T

  The organism designated P in the food chain above is normally sustained by energy from

  Options:
  A) sunlight
  B) carbohydrates
  C) green plants
  D) mineral salts
  Show Answer
  The correct answer is A .
• Question 838: Which of the following is an example of carnivorous plant? Options:
  A) hydra
  B) bladderwort
  C) yeast
  D) spirogyra
  Show Answer
  The correct answer is B .
• Question 839: The function of the clitellum in the earthworm is to Options:
  A) aid digestion
  B) prevent desiccation
  C) assist locomotion
  D) secrete cocoon
  Show Answer
  The correct answer is D .
• Question 840: The pineapple fruit is best described as Options:
  A) aggregate, succulent and indehiscent
  B) aggregate, succulent and dehiscent
  C) multiple, succulent and indehiscent
  D) multiple, succulent and dehiscent
  Show Answer
  The correct answer is C .