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 1441: If an animal is very active and has good muscular control, it is likely to have well-developed Options:
  A) Olfactory lobes
  B) Cerebral hemisphere
  C) Optic lobes
  D) Cerebellum
  E) Spinal cord
  Show Answer
  The correct answer is D .
• Question 1442: Trace elements are required by plants mainly for the Options:
  A) formation of pigments and enzymes
  B) production of energy and hormones
  C) manufactured of carbohydrates
  D) manufacture of proteins
  Show Answer
  The correct answer is A .
• Question 1443: Which of the following scenarios is an example of cohesion? Options:
  A) Water molecules stick to the surface of a mirror.
  B) Water sticks to the walls of blood vessels.
  C) Water molecules stay on the tip of a pine needle because the water is attracted to the surface of the needle.
  D) Water molecules stick to one another and form a bead
  Show Answer
  The correct answer is D .
• Question 1444:

  Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?

  Options:
  A) Denitrification
  B) Nitrogen fixation
  C) Ammonification
  D) Nitrification
  Show Answer
  The correct answer is B .
• Question 1445: A grass hopper respires by the means of its Options:
  A) Lung-books
  B) Gills
  C) Lungs
  D) Antennae
  E) Tracheal tubes
  Show Answer
  The correct answer is E .
• Question 1446:

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

  Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{4}$
  C) $\frac{1}{4}$
  D) $1$
  Show Answer
  The correct answer is C .
• Question 1447: The term caryopsis is used to describe a fruit in which the Options:
  A) testa and pericarp are separate
  B) seed and endocarp are fused
  C) testa and pericarp are fused
  D) seed coat and fruit wall are impermeable
  Show Answer
  The correct answer is C .
• Question 1448:

  Aged erythrocytes are destroyed in the?

  Options:
  A) pancreas
  B) liver
  C) lymph nodes
  D) kidney
  Show Answer
  The correct answer is B .
• Question 1449:

  The end product of the digestion of carbohydrate is?

  Options:
  A) amino acid
  B) glycerol
  C) glucose
  D) sucrose
  Show Answer
  The correct answer is C .
• Question 1450: Darwin is considered the first scientist who correctly explained the theory of Options:
  A) special creation
  B) spontaneous generation
  C) use and disuse
  D) organic evolution
  Show Answer
  The correct answer is D .