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 1: The heart of the adult frog consist of Options:
  A) two auricles and two ventricles
  B) one auricle and one ventricle
  C) two ventricle and one auricle
  D) one ventricle and two auricles
  Show Answer
  The correct answer is D .
• Question 2:

  

  The bone labelled X in the figure above is the

  Options:
  A) ulna
  B) fibula
  C) radius
  D) humerus
  E) tibia
  Show Answer
  The correct answer is D .
• Question 3: Which of the following is TRUE of the process of conjugation in paramecium? Options:
  A) Micronucleus disintegrates
  B) Each ex-conjugant divides only once
  C) Macronucleus undergoes division
  D) Each micronucleus divides twice
  Show Answer
  The correct answer is D .
• Question 4: Which of the following hormonal glands is located on top of the kidney? Options:
  A) Adrenal
  B) gonads
  C) pancreas
  D) thyroid
  Show Answer
  The correct answer is A .
• Question 5: Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are Options:
  A) grasses
  B) grasshopper
  C) lizards
  D) snakes
  E) hawks
  Show Answer
  The correct answer is E .
• Question 6: Dead plants and animals are decomposed by bacteria and fungi into Options:
  A) nitrate
  B) nitrites
  C) amino acids
  D) ammonia
  Show Answer
  The correct answer is D .
• Question 7: In a group of male Agama lizards, the one with the brightest head colour is the Options:
  A) dominant
  B) youngest
  C) oldest
  D) largest
  Show Answer
  The correct answer is A .
• Question 8: 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 9: An example of an organ of perennation in plants is Options:
  A) rhizome
  B) seed
  C) petal of a flower
  D) calyx of flower
  Show Answer
  The correct answer is A .
• Question 10: 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 .