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 141:

  

  Ovoviparity is the type of fertilization exhibited by the organism labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is C .
• Question 142: The importance of practising crop rotation in agriculture is to Options:
  A) maintain soil fertility
  B) improve the nutritional value of crops
  C) control soil erosion
  D) ensure the growth of crops
  Show Answer
  The correct answer is A .
• Question 143: The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as Options:
  A) arterioles
  B) venules
  C) arteries
  D) capillaries
  Show Answer
  The correct answer is D .
• Question 144: Plants tend to prevent overcrowding by means of efficient Options:
  A) water uptake
  B) seed germination
  C) pollination
  D) seed dispersal
  Show Answer
  The correct answer is D .
• Question 145:

  Which of the following is NOT a part of the alimentary canal?

  Options:
  A) Oesophagus
  B) Large intestine
  C) Liver
  D) Small intestine
  Show Answer
  The correct answer is C .
• Question 146: The carrying capacity of a habitat is reached when the population growth begins to Options:
  A) increase slowly
  B) increase exponentially
  C) slow down
  D) remain steady
  Show Answer
  The correct answer is D .
• Question 147: Parental care is exhibited by Options:
  A) snails
  B) earthworms
  C) birds
  D) toads
  Show Answer
  The correct answer is C .
• Question 148: A trawler on a fishing trip caught a type of animal with hairs on its body. This animal could have been Options:
  A) An amphibian
  B) a reptile
  C) a shark
  D) a mammal
  E) a seagull
  Show Answer
  The correct answer is D .
• Question 149: Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they Options:
  A) enrich the soil with phoshates
  B) provide animals with food
  C) enrich the soil with organic nitrogen
  D) protect the soil from being over-heated
  E) protect the micro organisms in the soil
  Show Answer
  The correct answer is C .
• Question 150: 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 .