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 1721:

  How many days does it take for incubation of an egg to release chick?

  Options:
  A) 21
  B) 22
  C) 20
  D) 23
  Show Answer
  The correct answer is A .
• Question 1722: Which one of the following parts of the mammalian body is most closely associated with the production of urine? Options:
  A) Malpighian capsule
  B) Urinary bladder
  C) Ureter
  D) Vas deferens
  E) Urethra
  Show Answer
  The correct answer is A .
• Question 1723: In the mammalian skin, melanin and keratin are contained in the Options:
  A) sebaceous gland
  B) sweat gland
  C) subcubaneous layer
  D) malpighian layer
  Show Answer
  The correct answer is D .
• Question 1724: The function of the ossicles (malleus, incus and stapes) in the mammalian ear is Options:
  A) Transmission of vibrations
  B) Regulation of pressure
  C) Support of the inner ear
  D) Maintenance of balance during motion
  E) Secretion of oil
  Show Answer
  The correct answer is A .
• Question 1725: The movement of blood between the heart and all other parts of the body besides the lung is known as Options:
  A) systemic circulation
  B) closed circulatory system
  C) pulmonary circulation
  D) single circulation system
  Show Answer
  The correct answer is A .
• Question 1726:

  

  Ovoviparity is the type of fertilization exhibited by the organism labelled

  Options:
  A) IV
  B) III
  C) II
  D) I
  Show Answer
  The correct answer is C .
• Question 1727: Lack of space in a population could lead to an increase in Options:
  A) water scarcity
  B) birth rate
  C) disease rate
  D) dought
  Show Answer
  The correct answer is C .
• Question 1728: Serum differs from blood plasma because Options:
  A) contains blood cells and fibrinogen
  B) contains soluble food and mineral salt
  C) lacks the blood protein and fibrinogen
  D) lacks blood cells and albumin
  Show Answer
  The correct answer is C .
• Question 1729:

  

  Using the diagram, the part labelled IV is for

  Options:
  A) excretion
  B) nourishment
  C) protection
  D) respiration
  Show Answer
  The correct answer is C .
• Question 1730:

  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 .