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 2281: A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was Options:
  A) Tap water
  B) a very strong sugar solution
  C) a weak sugar solution
  D) a very weak salt solution
  E) distilled water
  Show Answer
  The correct answer is B .
• Question 2282: In mammals, the organ directly on top of the kidney is the Options:
  A) thyroid gland
  B) adrenal grand
  C) pancreas
  D) prostate gland
  Show Answer
  The correct answer is B .
• Question 2283:

  

  The part labelled 3 is the

  Options:
  A) leaf scar
  B) lenticle
  C) axillary bud
  D) girdle scar
  Show Answer
  The correct answer is C .
• Question 2284: A unique characteristics of the cervical vertebrate is the presence of Options:
  A) large centrum
  B) long transverse processes
  C) zgapophysis
  D) vertebrartarial canal
  Show Answer
  The correct answer is D .
• Question 2285: In a population of living things, the parameters of size, height, weight and colour are examples of Options:
  A) discontinuous variation
  B) continuous variation
  C) physiological variation
  D) non-heritable variation
  Show Answer
  The correct answer is B .
• Question 2286:

  Reading the verdict of a case by a magistrate is an example of

  Options:
  A) A reflex action
  B) An instinct
  C) A conditioned reflex
  D) A voluntary action
  Show Answer
  The correct answer is D .
• Question 2287: Below are some group of diseases. Which group of diseases is caused by bacteria? Options:
  A) Tuberculosis, smallpox
  B) Gonorrhoea, measles
  C) Tuberculosis, polio
  D) Sleeping sickness, measles
  E) Syphilis, gonorrhoea
  Show Answer
  The correct answer is E .
• Question 2288: Which of the following insects lays its eggs in horny, purse-like cases? Options:
  A) Mosquito
  B) Butterfly
  C) Termite
  D) Cockroach
  Show Answer
  The correct answer is D .
• Question 2289: In which of the following species is the biomass of an individual the smallest ? Options:
  A) Agama sp
  B) Bufo sp
  C) Spirogyra sp
  D) Tilapia sp
  Show Answer
  The correct answer is C .
• Question 2290: 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 .