1989
Which of the following characteristics is associated with commensalism?
See more
1989 WAEC SSCE Biology Past Questions
1989
Specimen G is a paste made from a food material. Carry out the following tests to identify the food substances contained in specimen G. Wash the test tube after each use to ensure that the next sample is not contaminated…
See more
1989
Specimen D:(a) identify specimen D without giving reason(b) (i) State two observable features of specimen D which indicate its mode of nutrition (b) (ii) What is the mode of nutrition cf specimen D?(c) Make a labelled dr…
See more
1989
You are provided with specimens A, B and C (a) identify specimens A, B and C without reason.(b) Make a labelled drawing 6-8 cm long of the longitudinal section of specimen A to illustrate its essential features(c) (i) Su…
See more
1989
(a) Name the organism represented in the diagram above (b) Name the structure labelled x (c) Into what stage would the organism develop?
See more
1989
List íour crop diseases.
See more
1989
The diagram above illustrates a leaf before and after an experiment stated below. The leaf shown in diagram I was detached from a potted plant which had been exposed to sunlight for 4-5 hours while diagram ll shows the s…
See more
1989
List (a) two plant characteristics (b) two animal characteristics found in Euglena.
See more
1989
(a) Name the vessel that carries blood from the wall of the small intestine to the liver (b) State two similarities in structure between the transport systems in plants and animals.
See more
1989
(a) (i) State one function of plastids to plants (i) Name one plastid found in plants (b) State one function each of (i) mitochondrion (ii) chromosome
See more
1989
State three advantages of vegetation to the soil
See more
1989
What is meant by the term endospermous seed?
See more
1989
(a) What would you observe if a filament of spirogyra is immersed in 0. 1 m sodium chloride solution for about one hour?(b) Name the process which occurred during the immersion of the spirogyra filament in 0.1 m sodium c…
See more
1989
(a) List three functions of the kidney.(b) Make a labelled diagram of the mammalian kidney tubule (nephron)(c) Describe how the kidney carries out two of the functions listed in (a).
See more
1989
(a) Describe how the floral parts of a named flower are adapted to wind-pollination.(b) Explain how each of the following behaviours in animals affects the reproduction process: (i) territoriality. (ii) display; (iii) se…
See more
1989
(a) Describe an experiment to demonstrate the influence of auxins on the growth of plant shoot.(b) List three uses of auxins in agriculture.(c) Describe briefly the mechanism of transmission of impulses through a nerve f…
See more
1989
(a) List five morphological features that are characteristic of plant found in each of the following habitats:-(i) tropical rainforest. (ii) savanna. In each case, state function of the features listed in (a) to the plan…
See more
1989
Below is a List of the levels of organization in organisms.I. Tissue ii. System ii. Cell iV. organ Which of the following organelles is used for locomotion in Paramecium?
See more
1989
Below is a List of the levels of organization in organisms.I. Tissue ii. System ii. Cell iV. organ The correct sequence of the levels in an increasing order of complexity is
See more
1989
The part labelled VII is made up of
See more