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 761:

  Which of the following relationship involves only one organism?

  Options:
  A) Saprophytism
  B) Commensalism
  C) Parasitism
  D) Symbiosis
  Show Answer
  The correct answer is A .
• Question 762:

  Which of the following is considered to be the first product of Photosynthesis?

  Options:
  A) Protein
  B) Starch
  C) Energised Chlorophyll
  D) Hydroxyl ions
  Show Answer
  The correct answer is B .
• Question 763: An example of cryptic colouration is the Options:
  A) Mottled colours on the moths that rest in lichens
  B) bright colour of an insect pollinated flower
  C) Green colour of a plant
  D) Bright marks on poisonous tropical frog on veriegated leaves
  Show Answer
  The correct answer is A .
• Question 764:

  

  The structure labelled 1 is the

  Options:
  A) plumule
  B) radicle
  C) cell membrane
  D) seed coat
  Show Answer
  The correct answer is D .
• Question 765: The by-product of photosynthesis is Options:
  A) CO2
  B) O2
  C) C6H12O6
  D) H2O
  Show Answer
  The correct answer is B .
• Question 766: A dry fruit formed from two or more carpels containing several seeds is a Options:
  A) follicle
  B) legume
  C) capsule
  D) schizocarp
  Show Answer
  The correct answer is C .
• Question 767: 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 768: The most important physical factor which affects an organism living in the intertidal zone of the seashore is Options:
  A) pH
  B) salinity
  C) wave action
  D) temperature
  Show Answer
  The correct answer is C .
• Question 769: In which of the following plants is swollen shoot disease common? Options:
  A) Groundnut
  B) cocoa
  C) Corn
  D) Cotton
  E) Rubber
  Show Answer
  The correct answer is B .
• Question 770:

  The enzymes of the glycolytic pathway are located in the?

  Options:
  A) mitochondria
  B) gastric juice
  C) plasma
  D) cytoplasm
  Show Answer
  The correct answer is D .