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 861:

  The internal structure of a leaf that has larger air space is?

  Options:
  A) palisade mesophyll
  B) epidermis
  C) spongy mesophyll
  D) vascular bundles
  Show Answer
  The correct answer is C .
• Question 862: When a healthy shoot of a flowering plant is illuminated from one side, auxins, accumulate on the Options:
  A) non-illuminated side of the shoot
  B) illuminated side of the shoot
  C) upper side of the shoot
  D) lower side of the shoot
  Show Answer
  The correct answer is A .
• Question 863: The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by Options:
  A) birds and reptiles
  B) fishes and birds
  C) reptiles and fishes
  D) birds and molluscs
  Show Answer
  The correct answer is C .
• Question 864: A green plant growing in a compost pit is feeding Options:
  A) holozoically
  B) parasitically
  C) saprophytically
  D) holophytically
  E) in none of the above ways
  Show Answer
  The correct answer is D .
• Question 865:

  De-oxygenated blood is transported to the lungs through the

  Options:
  A) renal vein
  B) hepatic portal vein
  C) pulmonary artery
  D) pulmonary vein
  Show Answer
  The correct answer is C .
• Question 866: The activity of an organism which affects the survival of another organism in the same habitat constitutes Options:
  A) an edaphic factor
  B) an abiotic factor
  C) a biotic factor
  D) a physiographic factor
  Show Answer
  The correct answer is C .
• Question 867:

  What type of vertebrate assists in breathing alongside with the ribs?

  Options:
  A) Sacral
  B) Caudal
  C) Thoracic
  D) Lumber
  Show Answer
  The correct answer is C .
• Question 868: In Mucor or Rhizopus carbohydrate is absorb in the form of Options:
  A) starch
  B) sucrose
  C) glucose
  D) glycogen
  E) arabinose
  Show Answer
  The correct answer is C .
• Question 869: The blood vessel which carries blood from the alimentary canal to the liver is the Options:
  A) hepatic artery
  B) hepatic vein
  C) hepatic portal vein
  D) mesenteric artery
  Show Answer
  The correct answer is C .
• Question 870:

  In an experiment to determine the percentage of humus and water in a soil sample, the following results were obtained

  Weight of the evaporating basin alone = 80.5g

  Weight of basin and soil = 101.5g

  Weight after drying the soil in the oven = 99.0g

  Weight of basin and roasted soil = 95.5g

  The percentage of humus in the soil sample is

  Options:
  A) 16.7%
  B) 17.6%
  C) 26.7%
  D) 16.2%
  Show Answer
  The correct answer is A .