WAEC SSCE - Biology - 2017 (Objective)

An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?

Which of the following organisms cannot exist freely on its own?

Which of the following glands also serves as an exocrine gland?

The structural similarities in Paramecium and Euglena are in the

A population which exceeds its carrying capacity and then collapses is represented graphically by a

Which of the following cell organelles is the site for the production of ATP?

Which of the following types of placentation is not common amongst syncarpous pistils?

The type of variation illustrated above is

Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed   II. Carbon dioxide is evolved   III. Oxygen is given off   IV. Glucose is synthesized

The natural dwelling place of an organism is called its

Which of the labelled parts of the diagram of the part of the human skeleton articulates with the head of the trochlea to form a hinge joint?

The diagram above shows the dentition of an organism. What organism is this?

Which of the following ecological factors will result in food shortage?

One of the structural adaptations of mammals for movement on land is the development of the

When viewing an object that is close to the human eye, the

An example of osmosis in plants is the

Which of the following is NOT characteristic of social insects?

The diagram above is an illustration of the urinary tubule in a mammal. Which of the following substances is found in the part labelled II only?

The complex energy-rich organic matter which living organisms need for life is

The organism that can carry out both autotropic and heterotrophic modes of nutritions is

Which of the following function is associated with calcium in plants? Formation of

Which of the following groups of animals do not possess a nervous system?

In the diagram of the human sperm above, the function of the part labelled II is to 

Which of the following pyramids gives the most accurate picture of the relationships between at the various trophic levels in a food chain? A pyramid of

Which of the following characters is not a morphological variation?

Soil permeability refers to 

Which of the following actions does not occur during exhalation in man?

The diagram above illustrates a part of the human skeleton. It represents the bones of the

Which of the following pairs of organisms is in a mutualistic relationship?

Assuming that A is the gene for normal skin color and is dominant, while a is the gene for albinism and its recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?

Deamination of amino acids in the liver produces 

Which of the following statements is true about mutation?

The diagram above is an illustration of the human sperm. The part labelled I is the

Which of the following resources cannot be renewed?

Which of the following materials is not easily biodegradable?

The diagram above illustrates the transverse section of a

Which of the following groups of organisms do not have members that can be called autotrophs?

The diagrams below show the dentition of an organism. The function of the teeth labelled X is for

The teeth which are absent in the young of the organism whose dentition is shown above is labelled

Which of the following statements is not associated with pyramids of energy?

Which of the following sequences is the correct route of the transmission of impulses along a reflex arc?

A good site for secondary succession would be

The diagram above illustrates a part of the human skeleton. The labelled part that provides surface for the attachment of the triceps is

The diagram above is an illustration of the urinary tubule in a mammal. Which of the following substances is greater in concentration in the part labelled IV when compared to that part labelled I?

The diagram above is an illustration of the urinary tubule in a mammal. The part which contains lowest concentration of urea is labelled

Which of the following practices is not used in conserving water?

The number of individuals that the environment can support over a long period of time is its

The gradual cumulative, adaptive and heritable changes in an organism over a long period of time resulting in new species is called

The establishment of game reserves and parks is a method of