2019 Biology WAEC (WASSCE) Objective Past Questions (Paper 1)

Which of the following structures will not be found in the nucleus of a cell?

An example of organ level of organization is ___________.

A structural similarity between Paramecium and Amoeba is the presence of _________.

The classes of plants the root systems in diagrams I and II below represent respectively are

The diagram below is an illustration of a stage in a biological process. Study it and answer the question that follows.

What stage of the cell division is illustrated in the diagram?

The diagram below is an illustration of a stage in a biological process. Study it and answer the question that follows.

The part labeled I is the _________.

The rate of diffusion of molecules between two media will be higher if

Anaerobic respiration in the organism illustrated in the diagram below produces carbon dioxide and __________.

Underground storage stems which grow horizontally in the soil are ________.

Muscle fatigue in the body of an athlete is due to _________.

The heart can beat continuously without being fatigued because it is composed of __________.

The products of tissue respiration are ________.

Excretory products in plants responsible for the decolouration of flowers are called _________.

The process of maintaining a steady internal environment is known as _________.

Which of the following statements is not true about hormones?

The diagram below is an illustration of a human brain.

Study it and answer the question below

The part labelled I is the ________.

The diagram below is an illustration of a human brain.

Study it and answer the question below

The function of the part labelled II is that it controls _________.

To focus on a distant object, the ciliary muscle of the eye ________.

The main function of the amniotic fluid is for _______.

The diagram below is an illustration of the longitudinal section of a flower.

Study it and answer the question that follows.

Which part of the flower is responsible for the protection of young flower buds?

The diagram below is an illustration of the longitudinal section of a flower.

Study it and answer the question that follows.

The essential parts of the flower are labelled _________.

Deficiency in insulin could lead to _____________.

Which of the following forms of energy is utilized during photosynthesis?

Light is excluded from a water culture experiment in order to ________.

The major mineral present in the shell of Molluscs is __________.

The digestion of proteins starts in the _________.

Tooth decay is usually caused by __________.

The conversion of ammonium salts into nitrate is called _________.

The salinity of a brackish habitat _________.

If 90 ants are found in a field with a total area of 100 m; what is the population density of the ants?

The complex relationship between the members of a community and their physical environment is known as _________.

The specific role of a species within its environment is known as its _________.

Which of the following soil fertility improvement methods will have the most negative effect on the ecosystem if not controlled?

Organisms in an ecosystem are usually grouped according to their trophic level into

In the pyramid of energy illustrated below, the organism with the least amount of transferred energy is _________.

Tall trees with unbranched trunks which grow above the upper storey of the forest are commonly referred to as _________.

Maize grains are best stored against insect attacks by __________. 

Cholera is mostly spread by ________.

Which of the following resources is renewable?

Which of the following role is not performed by a government agency responsible for forest maintenance?

Which of the following factors is not a source of variation in living organisms?

Individuals with blood group AB can donate blood to individuals with blood group(s) _________.

The diagram below is an illustration of a process occurring in a living animal cell.

Study it and answer the question below

The process occurs in the _______.

The diagram below is an illustration of a process occurring in a living animal cell.

Study it and answer the question below

The process is called

Which of the following nucleotides is not found in the DNA Molecule?

In a complete dominance monohybrid cross between a pure breeding yellow-flowered plant Y and a pure breeding white-flowered plant y, the result of the first filial generation is __________.

A man whose blood group is heterozygous B  is married to a woman whose blood group is also heterozygous B. Which of the following statements is correct about the blood group of their four offspring?

The cross between RrTt and rrtt where R is a gene for red colour and T for tallness will result in __________.

The yellow and black stripes on the body of wasps is an example of _________.

The biological importance of the dance by the worker honeybee is that it __________.