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 1051: In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called Options:
  A) Sexual reproduction
  B) Cohesion
  C) Pregnancy
  D) Implantation
  E) Viviparity
  Show Answer
  The correct answer is D .
• Question 1052: The gill rakers of fishes take part in Options:
  A) feeding
  B) respiration
  C) swimming
  D) diffusion
  Show Answer
  The correct answer is A .
• Question 1053: Which of the following disease is not sexually transmitted? Options:
  A) Gonorrhea
  B) Herpes
  C) Influenza
  D) Syphilis
  Show Answer
  The correct answer is C .
• Question 1054: One distinctive feature in the life history of liverworts is that they exhibit Options:
  A) Alternation of generation
  B) Vegetative reproduction
  C) Asexual reproduction
  D) Sexual reproduction
  Show Answer
  The correct answer is A .
• Question 1055: Dead plants and animals are decomposed by bacteria and fungi into Options:
  A) nitrate
  B) nitrites
  C) amino acids
  D) ammonia
  Show Answer
  The correct answer is D .
• Question 1056: Which of the following forms about 55% of the volume of the blood in man? Options:
  A) leucocytes
  B) platelets
  C) plasma
  D) erythrocytes
  Show Answer
  The correct answer is C .
• Question 1057: Which of the following is the function of lymph? Options:
  A) Carries hormones round the body
  B) Transports nutrients and oxygen from blood capil
  C) Distributes heat uniformly round the body
  D) conveys amino acids and glucose fromthe small intestine to the liver
  Show Answer
  The correct answer is B .
• Question 1058: when protein are broken down they also provide Options:
  A) oxygen
  B) carbonhydrate
  C) energy
  D) amino-acid
  E) carbon dioxide
  Show Answer
  The correct answer is D .
• Question 1059:

  Total salt content in blood is about

  Options:
  A) 1.85 to 1.9%
  B) 11.85 to 11.9%
  C) 2.85 to 2.9%
  D) 0.85 to 0.9%
  Show Answer
  The correct answer is D .
• Question 1060: Deoxygenation blood flows into the right and left lungs through the Options:
  A) pulmonary vein
  B) vena cava
  C) pulmonary artery
  D) subclavian vein
  Show Answer
  The correct answer is C .