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 341: In which part of a leguminous plant can you find bacteria like Azotobacter? Options:
  A) Spongy mesophyll of leaf
  B) At the nodes
  C) At the internodes
  D) In nodules
  E) Palisade mesophyll of leaf
  Show Answer
  The correct answer is D .
• Question 342: Which of the following correctly summarizes the life cycle of fern plant? Options:
  A) Spore → prothallus → thallus → sporangium
  B) Male and female gamentangia → zygospores → sporangium → spores
  C) Spore → thallus → spermatozoa + ovum → sporangium
  D) Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
  Show Answer
  The correct answer is D .
• Question 343:

  

  The process of pollination involves the transfer of pollens from

  Options:
  A) II to III
  B) IV to I
  C) I to II
  D) III to IV
  Show Answer
  The correct answer is A .
• Question 344: The movement response of a cockroach away from a light source is Options:
  A) negative phototropism
  B) positive phototaxism
  C) negative phototropism
  D) postive phototropism
  Show Answer
  The correct answer is A .
• Question 345:

  Which of the following produces both hormones and enzymes?

  Options:
  A) Ileum
  B) Pancreas
  C) Gall bladder
  D) Kidney
  Show Answer
  The correct answer is B .
• Question 346: The behavioural adaptation in social insects could best be described as Options:
  A) symbiosis
  B) saprophytism
  C) parasitism
  D) commensalisms
  Show Answer
  The correct answer is A .
• Question 347: The factors that determine the distribution of vegetation zones are Options:
  A) temperature, light, rain and humidity
  B) light, humidity, air and mist
  C) temperature, light, air and humidity
  D) humidity, snow, frost and dew
  Show Answer
  The correct answer is A .
• Question 348: Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat? Options:
  A) Turbidity
  B) Temperature
  C) pH
  D) Salinity
  Show Answer
  The correct answer is D .
• Question 349:

  

  The structure labelled I represented the

  Options:
  A) phloem
  B) xylem
  C) cortex
  D) pericycle
  Show Answer
  The correct answer is D .
• Question 350: The adaptive importance of nuptial flight from termite colonies is to Options:
  A) disperse the reproductives in order to establish new colonies
  B) provide abundant food for birds and other animals during the early rains
  C) ensure cross-breeding between members of one colony and another
  D) expel the reproductives so as to provide enogh food for other members
  Show Answer
  The correct answer is A .