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 1111: The long and sharp clawed feet of birds is an adaptation for Options:
  A) crushing seeds
  B) scooping mud
  C) tearing flesh
  D) grasping prey
  Show Answer
  The correct answer is D .
• Question 1112:

  Which of the following is an example of a behavioral adaptation for survival in animals?

  Options:
  A) Sharp teeth
  B) Migration
  C) Wings
  D) Camouflage
  Show Answer
  The correct answer is B .
• Question 1113: In man, identical twins occur when Options:
  A) An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo
  B) an ovum fertilized by two sperms and then divides into two, each forming an embryo
  C) two ova are fertilized at the same tine each forming an embryo
  D) two ova are fertilized by a single sperm each forming an embryo after fertilization
  E) one ovum first divides into two and each half is fertilized by a sperm before developing into an embryo
  Show Answer
  The correct answer is A .
• Question 1114: The fallacy in Lamarck's evolutionary theory was the assumption that Options:
  A) traits are acquired through disuse of body parts
  B) acquried traits are heritable
  C) acquired traits are seldom formed
  D) traits are acquired through the use of body parts
  Show Answer
  The correct answer is B .
• Question 1115: Which of these combinations is common to plant and animal cells? Options:
  A) Centriole, middle lamella, golgi bodies, mitrochondrion
  B) Cytoplasm, sap, vacuole, starch grains, leucoplasts
  C) Plasma membranes, chromosomes, mitochondria, lysosomes.
  D) Nucleus, nucleolus, cellulose cell wall, endoplasmic reticulum
  E) Cytoplasm, centriole, cellulose cell wall, nucleolus
  Show Answer
  The correct answer is C .
• Question 1116: The mammalian erythrocytes differ from the leucocytes at maturity because the erythrocytes are Options:
  A) discoid and nucleated
  B) discoid and enucleated
  C) amoeboid and nucleated
  D) amoeboid and enucleated
  Show Answer
  The correct answer is B .
• Question 1117: The organelle involved in tissue respiration is the Options:
  A) endoplasmic reticulum
  B) ribosome
  C) golgi body
  D) mitochondrion
  Show Answer
  The correct answer is D .
• Question 1118: In a drought situation, plants suffer from water stress which could result in Options:
  A) reduced biochemical activities
  B) enhanced chemical activities
  C) enhanced microbial activities
  D) reduced phototropic activities
  Show Answer
  The correct answer is A .
• Question 1119: Vegetation propagation is described as asexual reproduction because Options:
  A) reproductive organs are not involved
  B) new individuals are not formed
  C) many new plants are produced
  D) there is no exchange of genetic materials
  Show Answer
  The correct answer is D .
• Question 1120:

  The above organism can be classified under which phylum in the animal kingdom

  Options:
  A) Nematoda
  B) Chordata
  C) Porifera
  D) Annelida
  Show Answer
  The correct answer is B .