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 271: The hereditary material in a cell is known as Options:
  A) ADP
  B) CNS
  C) RNA
  D) ATP
  E) DNA
  Show Answer
  The correct answer is E .
• Question 272: Floating microscopic heterotrophs are mostly grouped as Options:
  A) phytoplankton
  B) zooplankton
  C) microbes
  D) nekton
  Show Answer
  The correct answer is B .
• Question 273: Grasses grasshopper lizard snakes hawks. In the food chain, the organism which are the least in number are Options:
  A) grasses
  B) grasshopper
  C) lizards
  D) snakes
  E) hawks
  Show Answer
  The correct answer is E .
• Question 274: One of the following diseases is caused by fungi Options:
  A) cassava mosaic
  B) coffee leaf rust
  C) leaf blight of cassava rossette
  D) disease of groundnut
  Show Answer
  The correct answer is B .
• Question 275: Irish potato is a Options:
  A) bulb
  B) tap root
  C) rhizome
  D) root tuber
  E) stem tuber
  Show Answer
  The correct answer is E .
• Question 276: The process in which complex substances are broken down into simpler ones is referred to as Options:
  A) anabolism
  B) catabolism
  C) metabolism
  D) tropism
  Show Answer
  The correct answer is B .
• Question 277: Which of the following instruments is used to measure relative humidity? Options:
  A) Hydrometer
  B) Thermometer
  C) Hygrometer
  D) Anemometer
  Show Answer
  The correct answer is C .
• Question 278: The clumping together of red blood cells is Options:
  A) agglutination
  B) fussion
  C) transfusion
  D) compatibility
  Show Answer
  The correct answer is A .
• Question 279:

  The curvature movement of plants in response to the stimulus of water is called

  Options:
  A) hydrotropism
  B) geotropism
  C) Phototropism
  D) thigmotropism
  Show Answer
  The correct answer is A .
• Question 280:

  The order of passage of food in the digestive system is

  Options:
  A) ileum --> caecum ->large intestine -> rectum
  B) ileum --> colon --> caecum -> rectum
  C) large intestine --> ileum -> caecum -> rectum
  D) colon -> caecum -> ileum -> rectum
  Show Answer
  The correct answer is A .