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 1481: 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 1482: If the pair of alleles for baldness is given as Bb, a female carrier will be denoted by Options:
  A) X^bY^B
  B) X^BX^B
  C) X^BY
  D) X^BbX^b
  Show Answer
  The correct answer is D .
• Question 1483:

  One of the functions of the xylem is?

  Options:
  A) strengthening the stem
  B) manufacturing food
  C) reducing loss of water
  D) conducting manufactured food
  Show Answer
  The correct answer is A .
• Question 1484:

  If both parents are heterozygous for a trait. the probability that an offspring will be recessive for that trait is?

  Options:
  A) 1/2
  B) 1/4
  C) 1
  D) 3/4
  Show Answer
  The correct answer is A .
• Question 1485: A pollutant that is biodegradable is Options:
  A) crude oil
  B) heavy metals
  C) cellophane
  D) sewage
  Show Answer
  The correct answer is D .
• Question 1486: The thoracic vertebrae of a mammal is characterized by the Options:
  A) vertebraterial canal
  B) prominent neural arch
  C) prominent transverse
  D) prominent neural spine
  E) prominent centrum
  Show Answer
  The correct answer is D .
• Question 1487: In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth Options:
  A) 12345
  B) 15243
  C) 21345
  D) 53412
  E) 54321
  Show Answer
  The correct answer is B .
• Question 1488: The center for controlling body temperature in the brains is the Options:
  A) cerebrum
  B) cerebellum
  C) medulla
  D) hypothalamus
  Show Answer
  The correct answer is D .
• Question 1489: Which of these is not a type of soil? Options:
  A) Sand
  B) Granite
  C) Loam
  D) Clay
  E) Sandy loam
  Show Answer
  The correct answer is B .
• Question 1490: Which of the following is an adaptation of forest species? Options:
  A) Few stomata
  B) Thick bark
  C) Buttress roots
  D) Reduced leaves
  Show Answer
  The correct answer is C .