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 1911: The end product of glycolysis in plants and animals is Options:
  A) pyruvic acid
  B) citric acid
  C) aspartic acid
  D) malic acid
  Show Answer
  The correct answer is A .
• Question 1912:

  

  The part labelled I and II constitute the

  Options:
  A) Crown
  B) neck
  C) root
  D) gum
  Show Answer
  The correct answer is A .
• Question 1913: In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called Options:
  A) Sexual reproduction
  B) Cohesion
  C) Pregnancy
  D) Implantation
  E) Viviparity
  Show Answer
  The correct answer is D .
• Question 1914: In the internal structure of plants, a wide pith in the centre is common to Options:
  A) dicot stems and monocot stems
  B) dicot stem and monocot roots
  C) dicot roots and monocot roots
  D) dicot roots and monocot stems
  Show Answer
  The correct answer is B .
• Question 1915: In Mendelian inheritance, discontinuous characters are controlled by the Options:
  A) centromeres
  B) alleles
  C) chromosomes
  D) chromatids
  Show Answer
  The correct answer is C .
• Question 1916: The process of walking is under the control of the part of the brain called Options:
  A) optic lobe
  B) olfactory lobe
  C) cerebellum
  D) medulla oblongata
  Show Answer
  The correct answer is C .
• Question 1917: In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the Options:
  A) the primary consumer has more energy than the primary poducer
  B) secondary consumer takes up all the energy contents of the primary consumer
  C) energy is shared equally between the three groups of organism
  D) secondary consumer gets only a small portion of the energy contained in the primary producer
  Show Answer
  The correct answer is D .
• Question 1918: The water-retention capacity of a soil indicates its Options:
  A) fertility
  B) capilarity
  C) aeration level
  D) pH level
  Show Answer
  The correct answer is B .
• Question 1919: In the woody stems, gaseous exchange takes place through the Options:
  A) micropyles
  B) stomata
  C) lenticels
  D) vessels
  Show Answer
  The correct answer is C .
• Question 1920: Night-blindness result from a deficiency of Options:
  A) vitamin E
  B) Vitamin A
  C) Vitamin K
  D) Vitamin C
  Show Answer
  The correct answer is B .