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 1561:

  For growth to occur in organisms, the rate of

  Options:
  A) anabolism must exceed that of catabolism
  B) catabolism must exceed that of anabolism
  C) food storage must be low
  D) food storage must be high
  Show Answer
  The correct answer is A .
• Question 1562:

  Which of the following is an example of physiological variation in organisms?

  Options:
  A) Variation in blood pressure among individuals
  B) Variation in beak shape among finches
  C) Differences in fur color in rabbits
  D) Variation in leaf shape in plants
  Show Answer
  The correct answer is A .
• Question 1563: Hypogeal germination is characterized by the Options:
  A) emergency of the plumule out of the ground
  B) provision of nourishment by the endosperm
  C) elongation of the hypocotyl
  D) elongation of the epicotyl
  Show Answer
  The correct answer is D .
• Question 1564: When an ovary is placed on the receptacle above the other floral parts it is referred to as Options:
  A) half inferior ovary
  B) superior ovary
  C) inferior ovary
  D) half superior ovary
  Show Answer
  The correct answer is B .
• Question 1565:

  Use the list of ecological constituents below to answer the question below

  1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water

  Items 1-4 can be regarded as

  Options:
  A) a population
  B) a community
  C) an ecosystem
  D) a niche
  Show Answer
  The correct answer is B .
• Question 1566: What is the genetic ratio of the F₂ generation if members of F generation are allowed to self-pollinate? Options:
  A) 1 tall : 3 short
  B) 3 tall : 1 short
  C) 1 tall : 1 short
  D) 4 short : 0 tall
  E) 4 tall : 0 short
  Show Answer
  The correct answer is B .
• Question 1567:

  

  Which structure is known as the power house of the cell?

  Options:
  A) 6
  B) 5
  C) 4
  D) 3
  Show Answer
  The correct answer is C .
• Question 1568:

  In an agricultural ecosystem, the biotic component consist of

  Options:
  A) crops, pests and beneficial insects
  B) crops, temperature and humidity
  C) pests, beneficial insects and water
  D) crops, water and soil
  Show Answer
  The correct answer is A .
• Question 1569: The stem differs from the root in having the xylem and phloem strands Options:
  A) on the same radii
  B) scattered
  C) on alternate radii
  D) towards the pith
  Show Answer
  The correct answer is A .
• Question 1570: The region that control most of the unconscious processes of a mammalian body is the Options:
  A) cerebellum
  B) cerebrum
  C) spinal cord
  D) medulla oblongata
  Show Answer
  The correct answer is C .