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 1411: The spots and stripes of the leopard and tiger are example of Options:
  A) cryptic colouration
  B) warning colouration
  C) disruptive colouration
  D) counter shading
  Show Answer
  The correct answer is C .
• Question 1412: Which of the following diseases is NOT caused by a virus? Options:
  A) Rinderpest
  B) Maize rust
  C) Newcastle diseases
  D) Swine fever
  E) Cassava mosaic diseases
  Show Answer
  The correct answer is B .
• Question 1413:

  

  Which of the labelled parts is used for feeling?

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 1414: In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m² quadrat. What is the density of the plants in the field? Options:
  A) 1.2 per m²
  B) 2.4 per m²
  C) 4.8 per m²
  D) 9.6 per m²
  Show Answer
  The correct answer is A .
• Question 1415: If a person is bitten by a snake on the leg, it is advisable for him to Options:
  A) keep moving so that the venom will ooze out with bleeding
  B) Wash the wound with water containing antiseptic
  C) bandage the wound so that germs do not get in through it
  D) Keep still and apply a tourniquet above the wound
  Show Answer
  The correct answer is D .
• Question 1416:

  The outer membrane that covers the brain is

  Options:
  A) Myelin sheath
  B) Dura mater
  C) Arachnoid membrane
  D) Pia mater
  Show Answer
  The correct answer is B .
• Question 1417: In the gene locus for eye colour in humans, the allele for brown eye is dominant over the allele for blue eyes. If a homozygous brown-eyed girl has a brother with blue eyes, what are the likely phenotypes of there parents'eye colour (Eye colour is not a sex linked trait) Options:
  A) Both parents have blue eyes
  B) Their father has blue eyes and their mother has brown eyes
  C) both parents have brown eyes
  D) Their mother has the blue eyes and their father has the brown eyes
  Show Answer
  The correct answer is C .
• Question 1418:

  When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap,it?

  Options:
  A) remains unchanged
  B) takes tip water and burst
  C) absorbs a little water
  D) loses water and shrivels
  Show Answer
  The correct answer is D .
• Question 1419: one of the adaptation of life on trees by a monkey is its possession of digits which are Options:
  A) extensible
  B) big
  C) opposable
  D) long
  Show Answer
  The correct answer is C .
• Question 1420: For effective functioning of a bird's quill feather, hooks fit on the ridge of the Options:
  A) Vane
  B) rachis
  C) barbules
  D) barbs
  Show Answer
  The correct answer is C .