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 981: The followings are the functions of the kidneys, except Options:
  A) Regulation of water content in the blood
  B) Maintenance of blood PH and homeostasis
  C) Excretion of CO2
  D) D. Removal of waste products from the blood
  Show Answer
  The correct answer is C .
• Question 982:

  The arrangements below are steps in protein digestion. Which is the correct sequence?

  A. polypetides B.protein C. amino-acids D.peptones

  Options:
  A) a-b-c-d
  B) c-d-a-b
  C) b-d-a-c
  D) a-d-b-c
  E) b-a-c-d
  Show Answer
  The correct answer is C .
• Question 983: Milk protein is hydrolyzed by Options:
  A) renin
  B) amylase
  C) lipase
  D) lactase
  E) pepsin
  Show Answer
  The correct answer is A .
• Question 984: Roots of plants are normally Options:
  A) Positively phototropic
  B) Negatively geotropic
  C) Negatively hydrotropic
  D) Positively hydrotropic
  E) Negatively chemotropic
  Show Answer
  The correct answer is D .
• Question 985: One of the adaptation of reptile to water loss is the presences of Options:
  A) keratinous scale
  B) claws on limbs
  C) long tails
  D) long sticky tongues
  Show Answer
  The correct answer is A .
• Question 986:

  A population is defined as the collection of

  Options:
  A) Similar organism that are found in the same habitat
  B) Similar organisms that breed in the same habitat
  C) Similar organisms that interbreed freely in the same habitat
  D) Similar organism eating the same food
  E) Different organisms in the same habitat
  Show Answer
  The correct answer is C .
• Question 987: Which of the following instruments is used for determining turbidity of water? Options:
  A) Thermometer
  B) secchi disc
  C) rain guage
  D) Hydrometer
  E) Wind vane
  Show Answer
  The correct answer is B .
• Question 988:

  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 989: Soil with the finest particles is called Options:
  A) silt
  B) clay
  C) sand
  D) gravel
  Show Answer
  The correct answer is B .
• Question 990:

  What is the tissue responsible for transporting water and minerals from the roots to the rest of the plant?

  Options:
  A) Xylem
  B) Epidermis
  C) Parenchyma
  D) Phloem
  Show Answer
  The correct answer is A .