Biology 2019 Past Questions | JAMB

Study the following Biology past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

11. One of the major ways in which the blood is able to defend the body against disease causing organisms is

  • A. Absorption of fatty acids and glycerol
  • B. Clumping
  • C. Single circulation
  • D. Translocation

12. Which of the following is not a transmitable character in plants

  • A. Habit of growth
  • B. Resistance to environmental factors
  • C. Life span
  • D. Haemophilia

13. Inheritable character/features possessed by an organism can be referred to as

  • A. Genes
  • B. Locus
  • C. Traits
  • D. Allelo morphs

14. One of the following is a process of transmission of hereditary characteristics by chromosomes

  • A. Genes relating to the same character occupy identical locations on the chromosomes
  • B. Separation of homologous chromosomes into four daughter cells
  • C. Separation of gametes during fertilization
  • D. Dictating the formation of a protein by a gene in a chromosome

15. The attachment of the embryo to the wall of the uterus is called

  • A. Ovulation
  • B. Implantation
  • C. Gametogenesis
  • D. Placentation

16. Which of the reproductive system in mammals secretes a part of the seminal fluid which raises the pH of the fluid in the female reproductive system?

  • A. Cowper’s gland
  • B. Prostate gland
  • C. Vas deferens
  • D. Seminal Vesicle

17.

biology 2019 jamb

The part labelled a in the above diagram is used for

  • A. Detection of pressure in water
  • B. Maintaining buoyancy in water
  • C. Gaseous exchange
  • D. Movement in water

18.biology 2019 jamb

The above organism can be classified under which phylum in the animal kingdom

  • A. Nematoda
  • B. Chordata
  • C. Porifera
  • D. Annelida

19. One important characteristics of green plant is that they

  • A. possess specialized sense organs
  • B. Are usually motile
  • C. Are autotropic
  • D. Respond slowly to stimuli

20. A virus can sometimes be regarded as a living organism because it

  • A. causes diseases in plants and animals
  • B. It exists in a variety of shapes
  • C. Is easily visible with the aid of an electron microscope
  • D. Reproduces in living cells
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