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 291:

  A flowering plant having both the male and female flowers on the same plant is said to be

  Options:
  A) Regular
  B) Irregular
  C) Monoecious
  D) Dioecious
  Show Answer
  The correct answer is C .
• Question 292: One of the accessory organs of the digestive system is the Options:
  A) Kidney
  B) Spleen
  C) liver
  D) lung
  Show Answer
  The correct answer is C .
• Question 293: In which of the following groups of vertebrates would the largest amount of yolk be found in the egg? Options:
  A) Mammals
  B) Fish
  C) Amphibians
  D) Reptiles
  Show Answer
  The correct answer is D .
• Question 294: The sequence of ear ossicles from the fenestra ovalis is Options:
  A) malleus, incus and stapes
  B) malleus, stapes and incus
  C) stapes, incus and malleus
  D) stapes, malleuls and incus
  Show Answer
  The correct answer is C .
• Question 295: An organism which lives on the remain of dead plant is Options:
  A) An endoparasite
  B) Saprophyte
  C) Commensal
  D) Symbiont
  E) ectoparasite
  Show Answer
  The correct answer is B .
• Question 296: The Mambila plateau is a unique Nigerian biome located in Options:
  A) Plateau state
  B) Borno state
  C) Taraba state
  D) Benue state
  Show Answer
  The correct answer is C .
• Question 297: Which of the following structures is common to Euglena, white blood cell and Amoeba? Options:
  A) Vacuole
  B) Cell wall
  C) Cilia
  D) Cell membrane
  Show Answer
  The correct answer is D .
• Question 298: The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the Options:
  A) stomata
  B) lenticels
  C) air space
  D) guard cell
  Show Answer
  The correct answer is D .
• Question 299:

  

  The correct evolutionary sequence of the organisms represented is

  Options:
  A) IV->II->III->I
  B) III->II->I->IV
  C) II->III->IV->I
  D) I->III=>II->IV
  Show Answer
  The correct answer is A .
• Question 300: If an animal is very active and has good muscular control, it is likely to have well-developed Options:
  A) Olfactory lobes
  B) Cerebral hemisphere
  C) Optic lobes
  D) Cerebellum
  E) Spinal cord
  Show Answer
  The correct answer is D .