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 1881: If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because? Options:
  A) water does not reach the leaves
  B) water and salts remained below the ring portion
  C) there is a withdrawal of water from the root by soil
  D) manufactured food does not reach the roots
  E) the roots store too much water
  Show Answer
  The correct answer is D .
• Question 1882:

  The hormones secreted by pancreas serves to

  Options:
  A) Facilitate the development of facial hairs
  B) Raise the level of calcium in the blood
  C) Lower blood glucose level
  D) Make the body react to emergencies
  Show Answer
  The correct answer is C .
• Question 1883:

  I. Stomata --> Spirogyra

  II. Alveoli --> Earthworm

  III. Malpighian tubule -> Mammal

  IV. Contractile vacuole -> Protozoa

  Which of the above structures is correctly matched with the organisms in which it is found?

  Options:
  A) II
  B) I
  C) IV
  D) III
  Show Answer
  The correct answer is C .
• Question 1884: Which of following is NOT involved in the transport of substance in the body? Options:
  A) Lymph
  B) Plasma
  C) Leucocytes
  D) Erythrocytes
  Show Answer
  The correct answer is C .
• Question 1885:

  Ecological Zone	Temperature (oC)	Rainfall (mm)
  I	45	300
  II	32	2000
  III	30	2200
  IV	15	800

  From the table above high relative humidity will be expected in zones

  Options:
  A) I and III
  B) I and IV
  C) II and III
  D) II and IV
  Show Answer
  The correct answer is C .
• Question 1886:

  One important characteristics of green plant is that they

  Options:
  A) possess specialized sense organs
  B) Are usually motile
  C) Are autotropic
  D) Respond slowly to stimuli
  Show Answer
  The correct answer is C .
• Question 1887: Genetic counselling is important when a marriage is planned between a Options:
  A) Rh^- woman and Rh ^man+
  B) Rh^- woman and Rh^- man
  C) Rh⁺ woman and Rh⁺ man
  D) Rh⁺ woman and Rh^- man
  Show Answer
  The correct answer is A .
• Question 1888: Parental care is exhibited by Options:
  A) snails
  B) earthworms
  C) birds
  D) toads
  Show Answer
  The correct answer is C .
• Question 1889: Mycorrhizae promote plant growth by Options:
  A) absorbing inorganic ions from the soil
  B) protecting it from infection
  C) helping it to utilize atmospheric nitrogen
  D) serving as a growth regulator
  Show Answer
  The correct answer is A .
• Question 1890:

  Which of the following statement describes an autonomic nervous system

  Options:
  A) It always stimulates effectors
  B) Activities are voluntary
  C) It dials with external stimuli and their responses
  D) It affects glands, cardia muscles and smooth muscles
  Show Answer
  The correct answer is D .