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 1581: During cell division, the two strands of chromosomes are joined at a point called Options:
  A) spindle
  B) chromatid
  C) centromere
  D) aster
  Show Answer
  The correct answer is C .
• Question 1582:

  The cytoplasm of a cell is considered a very important component because it

  Options:
  A) regulates the amount of energy in the cell
  B) suspends all cell organelles
  C) is the outermost part of the cell
  D) is solely responsible for cell division
  Show Answer
  The correct answer is B .
• Question 1583: The main function of the petal of a flower is to Options:
  A) attract pollination agents
  B) protect the flower while still in bud
  C) serve as landing stage for insects
  D) protect the inner paisr from desiccation
  Show Answer
  The correct answer is A .
• Question 1584: Water loss is regulated in plants and animals by both the Options:
  A) scales and the skin
  B) scales and the hair
  C) thick leaves and the feathers
  D) leathery cuticle and the feathers
  Show Answer
  The correct answer is D .
• Question 1585: Which of the following characteristics is common to Amoeba and Paramecium? Options:
  A) Oral groove
  B) Trichocyst
  C) Contractile vacuole
  D) Cilia
  Show Answer
  The correct answer is C .
• Question 1586: The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a Options:
  A) rabbit
  B) full grown man
  C) young child
  D) dog
  E) sheep
  Show Answer
  The correct answer is D .
• Question 1587: Important abiotic factors which affects all plants and animals in the habitat are Options:
  A) temperature and turbidity
  B) rainfall and relative humididty
  C) salinity and wind direction
  D) temperature and rainfall
  Show Answer
  The correct answer is D .
• Question 1588: One of the following is the unit of life Options:
  A) cell
  B) tissues
  C) organ
  D) system
  Show Answer
  The correct answer is A .
• Question 1589: In plants, the structure that performs a similar function with the testis in mammals is the Options:
  A) stigma
  B) filament
  C) anther
  D) receptance
  Show Answer
  The correct answer is C .
• Question 1590: The ability of a living organism to detect and respond to changes in the environment is referred to as Options:
  A) locomotion
  B) taxis
  C) irritability
  D) growth
  Show Answer
  The correct answer is C .