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 141: Magnesium is utilized in the formation of Options:
  A) ATP
  B) Glucose
  C) Amino acids
  D) Chlorophyll
  E) Fats
  Show Answer
  The correct answer is D .
• Question 142: The organelles present in cells that are actively respiring and photosynthesizing are Options:
  A) lysosomes and ribosomes
  B) Golgi apparatus and endoplasmic reticulum
  C) nucleus and centrioles
  D) mitrochondria and chloroplast
  Show Answer
  The correct answer is D .
• Question 143: An argument against Lamarck's theory of evolution is that Options:
  A) disuse of body part cannot weaken the part
  B) disused part is dropped off in the offspring
  C) acquired traits cannot be passed on to the offspring
  D) trait cannot be acquired through constant use of body parts
  Show Answer
  The correct answer is C .
• Question 144:

  

  The young chick is formed from

  Options:
  A) 3
  B) 3 and 4
  C) 1, 3 and 5
  D) 2
  E) 4
  Show Answer
  The correct answer is D .
• Question 145:

  

  The correct figured sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

  Options:
  A) 12453
  B) 24135
  C) 21435
  D) 14325
  E) 31425
  Show Answer
  The correct answer is C .
• Question 146: The dark reaction of photosynthesis involves the Options:
  A) reduction of carbon(IV)oxide to organic
  B) release of oxygen and the splitting of water
  C) photolysis of water and the production of starch
  D) splitting of water into hydrogen
  Show Answer
  The correct answer is A .
• Question 147: The hereditary materials of the cell is Options:
  A) the R N A
  B) protein
  C) the D N A
  D) carbohydrate
  Show Answer
  The correct answer is C .
• Question 148: The number of plants species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomea spp (5), sida spp (7) and Imperata spp (23). What is the percentage of occurrence of Imperata spp? Options:
  A) 35%
  B) 16%
  C) 46%
  D) 23%
  Show Answer
  The correct answer is C .
• Question 149: Which of the following is NOT a characteristic of monocot plants? Options:
  A) Occurrence of secondary thickening
  B) Parallel venation
  C) Scattered vascular bundles
  D) Floral parts arranged in threes
  E) Perianth is usually insignificant
  Show Answer
  The correct answer is A .
• Question 150: The part of the mammalian ear responsible for the maintenance of balance is the Options:
  A) cochlea
  B) pinna
  C) perilymph
  D) vestibular system
  Show Answer
  The correct answer is D .