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 821:

  The type of nutrition shown by spirogyra is

  Options:
  A) Symbiosis
  B) Holozoic
  C) Chemosynthetic
  D) Holophytic
  Show Answer
  The correct answer is D .
• Question 822: In which of the following groups of organisms do all the members have asexual method of reproduction? Options:
  A) A geen filament algae, a flowering plant and a bird
  B) A toad (or frog) , ameoba and mucor ( penicillium)
  C) A flowering plant, tape worm (or ascaris) and a green filamentous algae
  D) Mucor (or penicillium), a bird and a toad (or frog)
  E) Ameoba, mucor (or penicillium ) and a green filamentous algae
  Show Answer
  The correct answer is E .
• Question 823: Which of the following are differentiated into true roots, stems and leaves Options:
  A) Algae
  B) Schizophyta
  C) Pteridophyta
  D) Bryophyta
  Show Answer
  The correct answer is C .
• Question 824: Excretory products responsible for the red, purple and blue colours of flowers are called Options:
  A) alkaloid
  B) tannins
  C) anthocyanins
  D) resins
  Show Answer
  The correct answer is C .
• Question 825: Mendel's second law of inheritance states that Options:
  A) alleles combine randomly
  B) alleles segregates independently
  C) alleles seperate predictably
  D) chromosomes segregates independently
  Show Answer
  The correct answer is B .
• Question 826:

  

  Why is the part labelled 5 thicker than 6?

  Options:
  A) 5 is the left ventricle and 6 the right ventricle
  B) 6 is the left ventricle and 5 the right ventricle
  C) 5 receives blood from the left auricle and 6 from the right
  D) 5 pumps blood round the body and 6 pumps blood into the lungs
  E) 5 deals with oxygenated blood and 6 deals with deoxygenated blood
  Show Answer
  The correct answer is D .
• Question 827: The annulus of fern sporangium helps in Options:
  A) spore dispersal
  B) conduction of mineral salt
  C) trapping of light energy
  D) water retention
  Show Answer
  The correct answer is A .
• Question 828:

  The overall reaction in glycolysis can be summarised as

  Options:
  A) C${}_6$H${}_{12}$O${}_6$ -----> C${}_3$H${}_4$O${}_3$ + 4H + ATP
  B) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + 2ATP
  C) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + ADP
  D) C${}_6$H${}_{12}$O${}_6$ -----> 2C${}_3$H${}_4$O${}_3$ + 4H + 2ADP
  Show Answer
  The correct answer is B .
• Question 829: Long neck in giraffe is used to illustrate the theory of Options:
  A) use and disuse
  B) origin of species
  C) origin of life
  D) natural selection
  Show Answer
  The correct answer is D .
• Question 830: The outer layer of the kidney where the Bowman's capsules are found is the Options:
  A) cortex
  B) peivis
  C) medulla
  D) pyramid
  Show Answer
  The correct answer is A .