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 1051: In eukaryotic cells,cellular respiration takes place in the Options:
  A) nucleus
  B) cytoplasm
  C) centrioles
  D) mitochondrion
  Show Answer
  The correct answer is D .
• Question 1052: The barrier between maternal and foetal blood is the Options:
  A) placenta
  B) liver
  C) umbilical chord
  D) uterine wall
  Show Answer
  The correct answer is A .
• Question 1053: In an ecosystem, the LEAST efficient energy transfer link is from Options:
  A) producers to primary consumers
  B) sun to producers
  C) primary consumers to secondary consumers
  D) secondary consumers to decomposers
  Show Answer
  The correct answer is D .
• Question 1054: The richest source of vitamin A are Options:
  A) palm oil and groundnut oil
  B) palm oil and carrot
  C) rice and groundnut oil
  D) oranges and carrot
  Show Answer
  The correct answer is B .
• Question 1055: The part of the brain that regulates most biological cycles in humans is Options:
  A) olfactory lobe
  B) optic lobe
  C) medulla oblongata
  D) pineal body
  Show Answer
  The correct answer is C .
• Question 1056: The type of nutrition exhibited when organism lives on the body surface or inside the body of another type of organism is Options:
  A) Holozoic
  B) parasitic
  C) saprohytic
  D) carnivores
  Show Answer
  The correct answer is B .
• Question 1057: Root hairs are developed from the Options:
  A) root apex
  B) epidermis of root
  C) vascular bundles
  D) endodermis
  E) pericycle
  Show Answer
  The correct answer is B .
• Question 1058:

  

  A noticeable adaptation of the animal to its aquatic habitat is the possession of

  Options:
  A) a wide mouth
  B) large eyes
  C) webbed digits
  D) fore limbs
  Show Answer
  The correct answer is C .
• Question 1059: Growth can best be determined in a population of Spirogyra by measuring the Options:
  A) total length of the filament
  B) total widths of the filaments
  C) rate of photosynthesis in the population
  D) dry weights of the organism
  Show Answer
  The correct answer is A .
• Question 1060: The excessive use of agro-chemicals could lead to the pollution of Options:
  A) the lithosphere
  B) the atmosphere
  C) fresh water
  D) space
  Show Answer
  The correct answer is C .