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 1151:

  The membrane around the vacuole is known as

  Options:
  A) Elaioplast
  B) Amyloplast
  C) Tonoplast
  D) Cytoplast
  Show Answer
  The correct answer is C .
• Question 1152: A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation? Options:
  A) The woman is incapable of producing male children
  B) The man’s sperms are very weak
  C) The man is not athletic enough
  D) The Y component of the men’s sex chromosomes was always involved
  E) The X component of the man’s sex chromosomes was always involved
  Show Answer
  The correct answer is E .
• Question 1153:

  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 1154: 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 1155: Blood circulation in a mammalian is said to be double because Options:
  A) it passes twice through the heart in a complete circuit
  B) it moves in both arteries and veins
  C) it circulates in both the heart and other organs
  D) the heart contain auricles and ventricles
  Show Answer
  The correct answer is A .
• Question 1156: The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the Options:
  A) sweet glands
  B) sebaceous glands
  C) fatty cells
  D) granular layer
  Show Answer
  The correct answer is B .
• Question 1157:

  Which of the following statements is true about sandy soil?

  Options:
  A) has limited air space
  B) is light and easy to dig
  C) drains slowly
  D) is heavy and poorly aerated
  Show Answer
  The correct answer is B .
• Question 1158: Which is the correct order in an evolutionary sequence for the following plants groups? Options:
  A) Bacteria → ferns → algae → mosses → seed plants
  B) Bacteria → ferns → mosses → algae → seed plants
  C) Bacteria → algae → mosses → ferns → seed plants
  D) Bacteria → mosses → algae → ferns → seed plants
  Show Answer
  The correct answer is C .
• Question 1159:

  Which of the following is TRUE of the process of conjugation in Paramecium?

  Options:
  A) Micronucleus disintegrates
  B) Each ex-conjugant divides only once
  C) Macro nucleus undergoes division
  D) Each micronucleus divides twice
  Show Answer
  The correct answer is D .
• Question 1160: In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correct Options:
  A) Only the tip of the seedling received the light
  B) The light was not strong enough
  C) The seedlings were rather too young
  D) The tip of the seedling may have been covered
  E) The box containing the seedling should have been placed on a laboratory bench
  Show Answer
  The correct answer is A .