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 321: Germination which results in the cotyledons being brought above ground is called Options:
  A) hypocotyl
  B) epicotyl
  C) epigeal
  D) hypogeal
  E) plumule
  Show Answer
  The correct answer is C .
• Question 322:

  

  The structure labelled 5 is the

  Options:
  A) sweat gland
  B) sebaceous gland
  C) blood vessel
  D) nerve fibre
  Show Answer
  The correct answer is A .
• Question 323: Normally any character shown by an organism is due to the effects of Options:
  A) hormones and chromosomes
  B) chromosomes
  C) mutation
  D) hormones and genes
  E) genes and enviroment
  Show Answer
  The correct answer is E .
• Question 324: Spirogyra reproduces vegetatively by Options:
  A) spore production
  B) fragmentation
  C) multiple fission
  D) budding
  E) binary fission
  Show Answer
  The correct answer is B .
• Question 325: which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing? Options:
  A) Medulla
  B) Cerebrum
  C) Cerebellum
  D) Pineal body
  E) Olfactory lobe
  Show Answer
  The correct answer is A .
• Question 326: When the ciliary muscles of the eye contract, the eye lens Options:
  A) Bulge
  B) Contracts
  C) Rotates
  D) Flattens
  E) Is rounded
  Show Answer
  The correct answer is E .
• Question 327:

  The energy released by 1 gram of glucose is

  Options:
  A) 6 kcal
  B) 4 kcal
  C) 5 kcal
  D) 3 kcal
  Show Answer
  The correct answer is B .
• Question 328: In the egg of a bird, the embryo is located in the Options:
  A) Yolk
  B) Embryo disc IV
  C) Chalaza
  D) Albumen
  Show Answer
  The correct answer is A .
• Question 329: Which of the structure listed below is peculiar to the axis vertebra? Options:
  A) Odontoid process
  B) Anterior zygapophysis
  C) Posterior zygapophysis
  D) Lateral spine
  E) Centrum
  Show Answer
  The correct answer is A .
• Question 330: A test tube containing yeast in glucose solution containing alkaline pyrogallol. The bubbles of carbon (IV) oxide produced indicates that the yeast cells are Options:
  A) respiring in the absence of oxygen
  B) liberating oxygen on their own
  C) living and consuming oxygen
  D) being killed by the alcohol produced
  Show Answer
  The correct answer is A .